LIBRARY MANAGEMENT SYSTEM C# Download Source code OF Project (FYP)

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3 years ago

Let’s see the code of the LIBRARY MANAGEMENT SYSTEM project in C#.

frmOverdue.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using LibrarySystem.Includes;
using LibrarySystem.Properties;

namespace LibrarySystem
{
    public partial class frmOverdue : Form
    {
        public frmOverdue()
        {
            InitializeComponent();
        }

        SQLConfig config = new SQLConfig();
        usableFunction funct = new usableFunction();
        string sql;

        private void btnPenNew_Click(object sender, EventArgs e)
        {
            funct.clearTxt(GroupBox7);
            funct.clearTxt(GroupBox10);


            sql = "SELECT br.`BorrowerId`, `BookTitle`,`DateBorrowed`, `Purpose`, `DueDate` , BorrowId,br.AccessionNo " + 
              " FROM `tblborrow` br,`tblbooks` b,`tblborrower` bw  " + 
              " WHERE br.AccessionNo=b.AccessionNo AND br.`BorrowerId`=bw.`BorrowerId` AND br.Status='Borrowed' AND Due=1 ";
            config.Load_ResultList(sql, dtgPenalties);
            dtgPenalties.Columns[5].Visible = false;
            dtgPenalties.Columns[6].Visible = false;

        }

        private void frmOverdue_Load(object sender, EventArgs e)
        {
            btnPenNew_Click(sender, e);
        }

        private void txtSearchPborrower_TextChanged(object sender, EventArgs e)
        {
            sql = "SELECT br.`BorrowerId`, `BookTitle`,`DateBorrowed`, `Purpose`, `DueDate` , BorrowId,br.AccessionNo " +
             " FROM `tblborrow` br,`tblbooks` b,`tblborrower` bw  " +
             " WHERE br.AccessionNo=b.AccessionNo AND br.`BorrowerId`=bw.`BorrowerId` AND br.Status='Borrowed' AND Due=1 AND   br.`BorrowerId` Like '%" + txtSearchPborrower.Text + "%'";
            config.Load_ResultList(sql, dtgPenalties);
            dtgPenalties.Columns[5].Visible = false;
            dtgPenalties.Columns[6].Visible = false;
        }

        private void dtgPenalties_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            sql = "SELECT  TIMEDIFF( NOW( ) ,  `DueDate` ),`AccessionNo` " 
                 + "FROM  `tblborrow` WHERE `BorrowId` = '" + dtgPenalties.CurrentRow.Cells[5].Value.ToString() + "'";
            config.singleResult(sql);
            if (config.dt.Rows.Count > 0)
            {
                TimeSpan ts = config.dt.Rows[0].Field<TimeSpan>(0);
                int tsdays, hourperday, tshours, totalhours;
                //MessageBox.Show(ts.Hours.ToString());

                tsdays = ts.Days;

                hourperday = tsdays * 24;
                tshours = ts.Hours;
                totalhours = hourperday + tshours;



                txtOverdueTime.Text = ts.ToString();
                txttothours.Text = totalhours.ToString();

            } 

        }

        private void txtamount_TextChanged(object sender, EventArgs e)
        {

            try
            {
                int totalpayments;

                totalpayments = int.Parse(txttothours.Text) * int.Parse(txtamount.Text);

            }
            catch (Exception ex)
            {

            }
        
            //totalhours = condays + tValueHour
            //totalhours = totalhours / Val(frmPayments.txthours.Text)
            //frmPayments.txtTotPay.Text = totalhours * Val(frmPayments.txtamount.Text)
        }
         
        private void txthours_ValueChanged(object sender, EventArgs e)
        {
            try
            {

                double total_hours, total_payments;

                total_hours = int.Parse(txttothours.Text) / int.Parse(txthours.Text);
                total_payments = total_hours * double.Parse(txtamount.Text);

                txtTotPay.Text = total_payments.ToString();

            }
            catch (Exception ex)
            {

            }
        }

        private void txthours_KeyPress(object sender, KeyPressEventArgs e)
        {
            try
            {

                double total_hours, total_payments;

                total_hours = int.Parse(txttothours.Text) / int.Parse(txthours.Text);
                total_payments = total_hours * double.Parse(txtamount.Text);

                txtTotPay.Text = total_payments.ToString();

            }
            catch (Exception ex)
            {

            }
        }

        private void txttenderedAmount_TextChanged(object sender, EventArgs e)
        {
            double change;
            change = double.Parse(txttenderedAmount.Text) - double.Parse(txtTotPay.Text);
            txtChange.Text = change.ToString();
        }

        private void btnPSave_Click(object sender, EventArgs e)
        {
            if (txtamount.Text == "" || txthours.Text == "" || txttenderedAmount.Text == "" || txtOverdueTime.Text == "")
            {
                MessageBox.Show("You must fill all the fields inorder to save.", "Invalid", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;
            }
            if(int.Parse(txtChange.Text) < 0)
            {
                MessageBox.Show("The tendered amount is less than the total payments. Its not valid", "Invalid", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;

            }


            sql = "INSERT INTO `tblpayment` (`BorrowId`, `Payment`, `Change`, `DatePayed`, `BorrowerId`, `Remarks`) "
                + " VALUES (" + dtgPenalties.CurrentRow.Cells[6].Value + ",'" + txtTotPay.Text + "','" + txtChange.Text +
                "',Now(),'" + dtgPenalties.CurrentRow.Cells[0].Value + "','Settled')";
            config.Execute_Query(sql);

            sql = "INSERT INTO `tblreturn` (`BorrowId`, `NoCopies`, `DateReturned`, `Remarks`)" +
                  " VALUES (" + dtgPenalties.CurrentRow.Cells[6].Value + ",1,NOW(),'Returned')";
            config.Execute_Query(sql);


            sql = "UPDATE  `tblbooks` SET  `Status` =  'Available' WHERE  `AccessionNo` = '" + dtgPenalties.CurrentRow.Cells[6].Value + "'";
            config.Execute_Query(sql);

            sql = "UPDATE `tblborrow` SET  `Status` =  'Returned', Due = 0 WHERE `BorrowId` = " + dtgPenalties.CurrentRow.Cells[5].Value;
            config.Execute_Query(sql);

            MessageBox.Show("Book has been returned and settled in the library");
            btnPenNew_Click(sender, e); 
        }

        private void btnPenClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}

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using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using LibrarySystem.Includes;

using LibrarySystem.Properties;

namespace LibrarySystem

{

public partial class frmOverdue : Form

{

public frmOverdue()

{

InitializeComponent();

}

SQLConfig config = new SQLConfig();

usableFunction funct = new usableFunction();

string sql;

private void btnPenNew_Click(object sender, EventArgs e)

{

funct.clearTxt(GroupBox7);

funct.clearTxt(GroupBox10);

sql = "SELECT br.`BorrowerId`, `BookTitle`,`DateBorrowed`, `Purpose`, `DueDate` , BorrowId,br.AccessionNo " +

" FROM `tblborrow` br,`tblbooks` b,`tblborrower` bw " +

" WHERE br.AccessionNo=b.AccessionNo AND br.`BorrowerId`=bw.`BorrowerId` AND br.Status='Borrowed' AND Due=1 ";

config.Load_ResultList(sql, dtgPenalties);

dtgPenalties.Columns[5].Visible = false;

dtgPenalties.Columns[6].Visible = false;

}

private void frmOverdue_Load(object sender, EventArgs e)

{

btnPenNew_Click(sender, e);

}

private void txtSearchPborrower_TextChanged(object sender, EventArgs e)

{

sql = "SELECT br.`BorrowerId`, `BookTitle`,`DateBorrowed`, `Purpose`, `DueDate` , BorrowId,br.AccessionNo " +

" FROM `tblborrow` br,`tblbooks` b,`tblborrower` bw " +

" WHERE br.AccessionNo=b.AccessionNo AND br.`BorrowerId`=bw.`BorrowerId` AND br.Status='Borrowed' AND Due=1 AND br.`BorrowerId` Like '%" + txtSearchPborrower.Text + "%'";

config.Load_ResultList(sql, dtgPenalties);

dtgPenalties.Columns[5].Visible = false;

dtgPenalties.Columns[6].Visible = false;

}

private void dtgPenalties_CellClick(object sender, DataGridViewCellEventArgs e)

{

sql = "SELECT TIMEDIFF( NOW( ) , `DueDate` ),`AccessionNo` "

+ "FROM `tblborrow` WHERE `BorrowId` = '" + dtgPenalties.CurrentRow.Cells[5].Value.ToString() + "'";

config.singleResult(sql);

if (config.dt.Rows.Count > 0)

{

TimeSpan ts = config.dt.Rows[0].Field<TimeSpan>(0);

int tsdays, hourperday, tshours, totalhours;

//MessageBox.Show(ts.Hours.ToString());

tsdays = ts.Days;

hourperday = tsdays * 24;

tshours = ts.Hours;

totalhours = hourperday + tshours;

txtOverdueTime.Text = ts.ToString();

txttothours.Text = totalhours.ToString();

}

private void txtamount_TextChanged(object sender, EventArgs e)

{

try

{

int totalpayments;

totalpayments = int.Parse(txttothours.Text) * int.Parse(txtamount.Text);

}

catch (Exception ex)

{

}

//totalhours = condays + tValueHour

//totalhours = totalhours / Val(frmPayments.txthours.Text)

//frmPayments.txtTotPay.Text = totalhours * Val(frmPayments.txtamount.Text)

}

private void txthours_ValueChanged(object sender, EventArgs e)

{

try

{

double total_hours, total_payments;

total_hours = int.Parse(txttothours.Text) / int.Parse(txthours.Text);

total_payments = total_hours * double.Parse(txtamount.Text);

txtTotPay.Text = total_payments.ToString();

}

catch (Exception ex)

{

}

private void txthours_KeyPress(object sender, KeyPressEventArgs e)

{

try

{

double total_hours, total_payments;

total_hours = int.Parse(txttothours.Text) / int.Parse(txthours.Text);

total_payments = total_hours * double.Parse(txtamount.Text);

txtTotPay.Text = total_payments.ToString();

}

catch (Exception ex)

{

}

private void txttenderedAmount_TextChanged(object sender, EventArgs e)

{

double change;

change = double.Parse(txttenderedAmount.Text) - double.Parse(txtTotPay.Text);

txtChange.Text = change.ToString();

}

private void btnPSave_Click(object sender, EventArgs e)

{

if (txtamount.Text == "" || txthours.Text == "" || txttenderedAmount.Text == "" || txtOverdueTime.Text == "")

{

MessageBox.Show("You must fill all the fields inorder to save.", "Invalid", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

return;

}

if(int.Parse(txtChange.Text) < 0)

{

MessageBox.Show("The tendered amount is less than the total payments. Its not valid", "Invalid", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

return;

}

sql = "INSERT INTO `tblpayment` (`BorrowId`, `Payment`, `Change`, `DatePayed`, `BorrowerId`, `Remarks`) "

+ " VALUES (" + dtgPenalties.CurrentRow.Cells[6].Value + ",'" + txtTotPay.Text + "','" + txtChange.Text +

"',Now(),'" + dtgPenalties.CurrentRow.Cells[0].Value + "','Settled')";

config.Execute_Query(sql);

sql = "INSERT INTO `tblreturn` (`BorrowId`, `NoCopies`, `DateReturned`, `Remarks`)" +

" VALUES (" + dtgPenalties.CurrentRow.Cells[6].Value + ",1,NOW(),'Returned')";

config.Execute_Query(sql);

sql = "UPDATE `tblbooks` SET `Status` = 'Available' WHERE `AccessionNo` = '" + dtgPenalties.CurrentRow.Cells[6].Value + "'";

config.Execute_Query(sql);

sql = "UPDATE `tblborrow` SET `Status` = 'Returned', Due = 0 WHERE `BorrowId` = " + dtgPenalties.CurrentRow.Cells[5].Value;

config.Execute_Query(sql);

MessageBox.Show("Book has been returned and settled in the library");

btnPenNew_Click(sender, e);

}

private void btnPenClose_Click(object sender, EventArgs e)

{

this.Close();

}

frmCategories.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using LibrarySystem.Includes;
using LibrarySystem.Properties;
using System.IO;

namespace LibrarySystem
{
    public partial class frmCategories : Form
    {
        public frmCategories()
        {
            InitializeComponent();
        }

        SQLConfig config = new SQLConfig();
        usableFunction funct = new usableFunction();
        string sql,categoryid;
        private void frmCategories_Load(object sender, EventArgs e)
        {
            btnnew_Click(sender, e);
        }

        private void btnnew_Click(object sender, EventArgs e)
        {
            categoryid = "0";
            txtCategory.Clear();
            txtDeweyDecimal.Clear();
            sql = "Select CategoryId,`Category`,`DDecimal` as 'DeweyDecimal' From tblcategory WHERE Category !='ALL'";
            config.Load_DTG(sql, dtglist);
            btndelete.Enabled = false;
        }

        private void btnsave_Click(object sender, EventArgs e)
        {

            if( txtCategory.Text == "")
            {
                funct.emptymessage();
            }

            sql = "Select * From tblcategory WHERE CategoryId = '" + categoryid + "'";
            config.singleResult(sql);
            if (config.dt.Rows.Count > 0)
            {
                sql = "UPDATE `tblcategory` SET `Category`='" + txtCategory.Text + "',`DDecimal`='" + txtDeweyDecimal.Text + "' WHERE CategoryId='" + categoryid + "'";
                config.Execute_CUD(sql, "error to execute the query.", "Category has been updated in the database.");
            }
            else
            {
                sql = "INSERT INTO `tblcategory` (`Category`,`DDecimal`) VALUES ('" + txtCategory.Text + "','" + txtDeweyDecimal.Text + "')";
                config.Execute_CUD(sql, "error to execute the query.", "New category has been saved in the database.");
            } 
            btnnew_Click(sender, e);

          
        }

        private void btndelete_Click(object sender, EventArgs e)
        {
            sql = "Delete From tblcategory WHERE CategoryId = " + dtglist.CurrentRow.Cells[0].Value;
            config.Execute_Query(sql);
            MessageBox.Show("Data has been deleted.");
            btnnew_Click(sender, e);
        }

        private void dtglist_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            categoryid = dtglist.CurrentRow.Cells[0].Value.ToString();
            txtCategory.Text = dtglist.CurrentRow.Cells[1].Value.ToString();
            txtDeweyDecimal.Text = dtglist.CurrentRow.Cells[2].Value.ToString();
            btndelete.Enabled = true;
        }
    }
}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using LibrarySystem.Includes;

using LibrarySystem.Properties;

using System.IO;

namespace LibrarySystem

{

public partial class frmCategories : Form

{

public frmCategories()

{

InitializeComponent();

}

SQLConfig config = new SQLConfig();

usableFunction funct = new usableFunction();

string sql,categoryid;

private void frmCategories_Load(object sender, EventArgs e)

{

btnnew_Click(sender, e);

}

private void btnnew_Click(object sender, EventArgs e)

{

categoryid = "0";

txtCategory.Clear();

txtDeweyDecimal.Clear();

sql = "Select CategoryId,`Category`,`DDecimal` as 'DeweyDecimal' From tblcategory WHERE Category !='ALL'";

config.Load_DTG(sql, dtglist);

btndelete.Enabled = false;

}

private void btnsave_Click(object sender, EventArgs e)

{

if( txtCategory.Text == "")

{

funct.emptymessage();

}

sql = "Select * From tblcategory WHERE CategoryId = '" + categoryid + "'";

config.singleResult(sql);

if (config.dt.Rows.Count > 0)

{

sql = "UPDATE `tblcategory` SET `Category`='" + txtCategory.Text + "',`DDecimal`='" + txtDeweyDecimal.Text + "' WHERE CategoryId='" + categoryid + "'";

config.Execute_CUD(sql, "error to execute the query.", "Category has been updated in the database.");

}

else

{

sql = "INSERT INTO `tblcategory` (`Category`,`DDecimal`) VALUES ('" + txtCategory.Text + "','" + txtDeweyDecimal.Text + "')";

config.Execute_CUD(sql, "error to execute the query.", "New category has been saved in the database.");

}

btnnew_Click(sender, e);

}

private void btndelete_Click(object sender, EventArgs e)

{

sql = "Delete From tblcategory WHERE CategoryId = " + dtglist.CurrentRow.Cells[0].Value;

config.Execute_Query(sql);

MessageBox.Show("Data has been deleted.");

btnnew_Click(sender, e);

}

private void dtglist_CellClick(object sender, DataGridViewCellEventArgs e)

{

categoryid = dtglist.CurrentRow.Cells[0].Value.ToString();

txtCategory.Text = dtglist.CurrentRow.Cells[1].Value.ToString();

txtDeweyDecimal.Text = dtglist.CurrentRow.Cells[2].Value.ToString();

btndelete.Enabled = true;

}

frmReport.Designer.cs

namespace LibrarySystem
{
    partial class frmReport
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.dtp_endDate = new System.Windows.Forms.DateTimePicker();
            this.btn_preview = new System.Windows.Forms.Button();
            this.btnTotalbooks = new System.Windows.Forms.Button();
            this.btnListBooks = new System.Windows.Forms.Button();
            this.rdoMonthly = new System.Windows.Forms.RadioButton();
            this.rdoWeekly = new System.Windows.Forms.RadioButton();
            this.rdoDaily = new System.Windows.Forms.RadioButton();
            this.dtp_strtDate = new System.Windows.Forms.DateTimePicker();
            this.Label2 = new System.Windows.Forms.Label();
            this.Label3 = new System.Windows.Forms.Label();
            this.Label1 = new System.Windows.Forms.Label();
            this.cboStatus = new System.Windows.Forms.ComboBox();
            this.GroupBox1 = new System.Windows.Forms.GroupBox();
            this.FlowLayoutPanel1 = new System.Windows.Forms.FlowLayoutPanel();
            this.GroupBox2 = new System.Windows.Forms.GroupBox();
            this.crystalReportViewer1 = new CrystalDecisions.Windows.Forms.CrystalReportViewer();
            this.GroupBox1.SuspendLayout();
            this.FlowLayoutPanel1.SuspendLayout();
            this.GroupBox2.SuspendLayout();
            this.SuspendLayout();
            // 
            // dtp_endDate
            // 
            this.dtp_endDate.CustomFormat = "yyyy-MM-dd";
            this.dtp_endDate.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
            this.dtp_endDate.Location = new System.Drawing.Point(10, 89);
            this.dtp_endDate.Name = "dtp_endDate";
            this.dtp_endDate.Size = new System.Drawing.Size(132, 20);
            this.dtp_endDate.TabIndex = 17;
            // 
            // btn_preview
            // 
            this.btn_preview.Location = new System.Drawing.Point(64, 120);
            this.btn_preview.Name = "btn_preview";
            this.btn_preview.Size = new System.Drawing.Size(78, 28);
            this.btn_preview.TabIndex = 15;
            this.btn_preview.Text = "Preview";
            this.btn_preview.UseVisualStyleBackColor = true;
            this.btn_preview.Click += new System.EventHandler(this.btn_preview_Click);
            // 
            // btnTotalbooks
            // 
            this.btnTotalbooks.Location = new System.Drawing.Point(10, 53);
            this.btnTotalbooks.Name = "btnTotalbooks";
            this.btnTotalbooks.Size = new System.Drawing.Size(133, 22);
            this.btnTotalbooks.TabIndex = 3;
            this.btnTotalbooks.Text = "Total No. of Books";
            this.btnTotalbooks.UseVisualStyleBackColor = true;
            this.btnTotalbooks.Click += new System.EventHandler(this.btnTotalbooks_Click);
            // 
            // btnListBooks
            // 
            this.btnListBooks.Location = new System.Drawing.Point(9, 25);
            this.btnListBooks.Name = "btnListBooks";
            this.btnListBooks.Size = new System.Drawing.Size(133, 22);
            this.btnListBooks.TabIndex = 2;
            this.btnListBooks.Text = "List of Books";
            this.btnListBooks.UseVisualStyleBackColor = true;
            this.btnListBooks.Click += new System.EventHandler(this.btnListBooks_Click);
            // 
            // rdoMonthly
            // 
            this.rdoMonthly.AutoSize = true;
            this.rdoMonthly.Location = new System.Drawing.Point(24, 186);
            this.rdoMonthly.Name = "rdoMonthly";
            this.rdoMonthly.Size = new System.Drawing.Size(97, 17);
            this.rdoMonthly.TabIndex = 2;
            this.rdoMonthly.TabStop = true;
            this.rdoMonthly.Text = "Monthly Report";
            this.rdoMonthly.UseVisualStyleBackColor = true;
            this.rdoMonthly.CheckedChanged += new System.EventHandler(this.rdoMonthly_CheckedChanged);
            // 
            // rdoWeekly
            // 
            this.rdoWeekly.AutoSize = true;
            this.rdoWeekly.Location = new System.Drawing.Point(24, 163);
            this.rdoWeekly.Name = "rdoWeekly";
            this.rdoWeekly.Size = new System.Drawing.Size(96, 17);
            this.rdoWeekly.TabIndex = 2;
            this.rdoWeekly.TabStop = true;
            this.rdoWeekly.Text = "Weekly Report";
            this.rdoWeekly.UseVisualStyleBackColor = true;
            this.rdoWeekly.CheckedChanged += new System.EventHandler(this.rdoWeekly_CheckedChanged);
            // 
            // rdoDaily
            // 
            this.rdoDaily.AutoSize = true;
            this.rdoDaily.Location = new System.Drawing.Point(24, 140);
            this.rdoDaily.Name = "rdoDaily";
            this.rdoDaily.Size = new System.Drawing.Size(83, 17);
            this.rdoDaily.TabIndex = 2;
            this.rdoDaily.TabStop = true;
            this.rdoDaily.Text = "Daily Report";
            this.rdoDaily.UseVisualStyleBackColor = true;
            this.rdoDaily.CheckedChanged += new System.EventHandler(this.rdoDaily_CheckedChanged);
            // 
            // dtp_strtDate
            // 
            this.dtp_strtDate.CustomFormat = "yyyy-MM-dd";
            this.dtp_strtDate.Format = System.Windows.Forms.DateTimePickerFormat.Custom;
            this.dtp_strtDate.Location = new System.Drawing.Point(10, 41);
            this.dtp_strtDate.Name = "dtp_strtDate";
            this.dtp_strtDate.Size = new System.Drawing.Size(132, 20);
            this.dtp_strtDate.TabIndex = 14;
            // 
            // Label2
            // 
            this.Label2.AutoSize = true;
            this.Label2.Location = new System.Drawing.Point(10, 26);
            this.Label2.Name = "Label2";
            this.Label2.Size = new System.Drawing.Size(61, 13);
            this.Label2.TabIndex = 16;
            this.Label2.Text = "Start Date :";
            // 
            // Label3
            // 
            this.Label3.AutoSize = true;
            this.Label3.Location = new System.Drawing.Point(10, 73);
            this.Label3.Name = "Label3";
            this.Label3.Size = new System.Drawing.Size(58, 13);
            this.Label3.TabIndex = 18;
            this.Label3.Text = "End Date :";
            // 
            // Label1
            // 
            this.Label1.AutoSize = true;
            this.Label1.Location = new System.Drawing.Point(7, 84);
            this.Label1.Name = "Label1";
            this.Label1.Size = new System.Drawing.Size(43, 13);
            this.Label1.TabIndex = 1;
            this.Label1.Text = "Status :";
            // 
            // cboStatus
            // 
            this.cboStatus.FormattingEnabled = true;
            this.cboStatus.Items.AddRange(new object[] {
            "Borrowed",
            "Returned",
            "Overdue"});
            this.cboStatus.Location = new System.Drawing.Point(6, 103);
            this.cboStatus.Name = "cboStatus";
            this.cboStatus.Size = new System.Drawing.Size(137, 21);
            this.cboStatus.TabIndex = 0;
            this.cboStatus.Text = "Borrowed";
            // 
            // GroupBox1
            // 
            this.GroupBox1.Controls.Add(this.btnTotalbooks);
            this.GroupBox1.Controls.Add(this.btnListBooks);
            this.GroupBox1.Controls.Add(this.rdoMonthly);
            this.GroupBox1.Controls.Add(this.rdoWeekly);
            this.GroupBox1.Controls.Add(this.rdoDaily);
            this.GroupBox1.Controls.Add(this.Label1);
            this.GroupBox1.Controls.Add(this.cboStatus);
            this.GroupBox1.Location = new System.Drawing.Point(3, 3);
            this.GroupBox1.Name = "GroupBox1";
            this.GroupBox1.Size = new System.Drawing.Size(152, 229);
            this.GroupBox1.TabIndex = 0;
            this.GroupBox1.TabStop = false;
            this.GroupBox1.Text = "Books";
            // 
            // FlowLayoutPanel1
            // 
            this.FlowLayoutPanel1.Controls.Add(this.GroupBox1);
            this.FlowLayoutPanel1.Controls.Add(this.GroupBox2);
            this.FlowLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Left;
            this.FlowLayoutPanel1.Location = new System.Drawing.Point(0, 0);
            this.FlowLayoutPanel1.Name = "FlowLayoutPanel1";
            this.FlowLayoutPanel1.Size = new System.Drawing.Size(161, 551);
            this.FlowLayoutPanel1.TabIndex = 3;
            // 
            // GroupBox2
            // 
            this.GroupBox2.Controls.Add(this.dtp_strtDate);
            this.GroupBox2.Controls.Add(this.Label2);
            this.GroupBox2.Controls.Add(this.Label3);
            this.GroupBox2.Controls.Add(this.dtp_endDate);
            this.GroupBox2.Controls.Add(this.btn_preview);
            this.GroupBox2.Location = new System.Drawing.Point(3, 238);
            this.GroupBox2.Name = "GroupBox2";
            this.GroupBox2.Size = new System.Drawing.Size(152, 162);
            this.GroupBox2.TabIndex = 2;
            this.GroupBox2.TabStop = false;
            this.GroupBox2.Text = "Date Filter";
            // 
            // crystalReportViewer1
            // 
            this.crystalReportViewer1.ActiveViewIndex = -1;
            this.crystalReportViewer1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.crystalReportViewer1.Cursor = System.Windows.Forms.Cursors.Default;
            this.crystalReportViewer1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.crystalReportViewer1.Location = new System.Drawing.Point(161, 0);
            this.crystalReportViewer1.Name = "crystalReportViewer1";
            this.crystalReportViewer1.Size = new System.Drawing.Size(727, 551);
            this.crystalReportViewer1.TabIndex = 4;
            // 
            // frmReport
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(888, 551);
            this.Controls.Add(this.crystalReportViewer1);
            this.Controls.Add(this.FlowLayoutPanel1);
            this.Name = "frmReport";
            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
            this.Text = "Inventory Reports";
            this.Load += new System.EventHandler(this.frmReport_Load);
            this.GroupBox1.ResumeLayout(false);
            this.GroupBox1.PerformLayout();
            this.FlowLayoutPanel1.ResumeLayout(false);
            this.GroupBox2.ResumeLayout(false);
            this.GroupBox2.PerformLayout();
            this.ResumeLayout(false);

        }

        #endregion
        internal System.Windows.Forms.DateTimePicker dtp_endDate;
        internal System.Windows.Forms.Button btn_preview;
        internal System.Windows.Forms.Button btnTotalbooks;
        internal System.Windows.Forms.Button btnListBooks;
        internal System.Windows.Forms.RadioButton rdoMonthly;
        internal System.Windows.Forms.RadioButton rdoWeekly;
        internal System.Windows.Forms.RadioButton rdoDaily;
        internal System.Windows.Forms.DateTimePicker dtp_strtDate;
        internal System.Windows.Forms.Label Label2;
        internal System.Windows.Forms.Label Label3;
        internal System.Windows.Forms.Label Label1;
        internal System.Windows.Forms.ComboBox cboStatus;
        internal System.Windows.Forms.GroupBox GroupBox1;
        internal System.Windows.Forms.FlowLayoutPanel FlowLayoutPanel1;
        internal System.Windows.Forms.GroupBox GroupBox2;
        private CrystalDecisions.Windows.Forms.CrystalReportViewer crystalReportViewer1;
    }
}

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namespace LibrarySystem

{

partial class frmReport

{

/// <summary>

/// Required designer variable.

/// </summary>

private System.ComponentModel.IContainer components = null;

/// <summary>

/// Clean up any resources being used.

/// </summary>

/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>

protected override void Dispose(bool disposing)

{

if (disposing && (components != null))

{

components.Dispose();

}

base.Dispose(disposing);

}

#region Windows Form Designer generated code

/// <summary>

/// Required method for Designer support - do not modify

/// the contents of this method with the code editor.

/// </summary>

private void InitializeComponent()

{

this.dtp_endDate = new System.Windows.Forms.DateTimePicker();

this.btn_preview = new System.Windows.Forms.Button();

this.btnTotalbooks = new System.Windows.Forms.Button();

this.btnListBooks = new System.Windows.Forms.Button();

this.rdoMonthly = new System.Windows.Forms.RadioButton();

this.rdoWeekly = new System.Windows.Forms.RadioButton();

this.rdoDaily = new System.Windows.Forms.RadioButton();

this.dtp_strtDate = new System.Windows.Forms.DateTimePicker();

this.Label2 = new System.Windows.Forms.Label();

this.Label3 = new System.Windows.Forms.Label();

this.Label1 = new System.Windows.Forms.Label();

this.cboStatus = new System.Windows.Forms.ComboBox();

this.GroupBox1 = new System.Windows.Forms.GroupBox();

this.FlowLayoutPanel1 = new System.Windows.Forms.FlowLayoutPanel();

this.GroupBox2 = new System.Windows.Forms.GroupBox();

this.crystalReportViewer1 = new CrystalDecisions.Windows.Forms.CrystalReportViewer();

this.GroupBox1.SuspendLayout();

this.FlowLayoutPanel1.SuspendLayout();

this.GroupBox2.SuspendLayout();

this.SuspendLayout();

// dtp_endDate

this.dtp_endDate.CustomFormat = "yyyy-MM-dd";

this.dtp_endDate.Format = System.Windows.Forms.DateTimePickerFormat.Custom;

this.dtp_endDate.Location = new System.Drawing.Point(10, 89);

this.dtp_endDate.Name = "dtp_endDate";

this.dtp_endDate.Size = new System.Drawing.Size(132, 20);

this.dtp_endDate.TabIndex = 17;

// btn_preview

this.btn_preview.Location = new System.Drawing.Point(64, 120);

this.btn_preview.Name = "btn_preview";

this.btn_preview.Size = new System.Drawing.Size(78, 28);

this.btn_preview.TabIndex = 15;

this.btn_preview.Text = "Preview";

this.btn_preview.UseVisualStyleBackColor = true;

this.btn_preview.Click += new System.EventHandler(this.btn_preview_Click);

// btnTotalbooks

this.btnTotalbooks.Location = new System.Drawing.Point(10, 53);

this.btnTotalbooks.Name = "btnTotalbooks";

this.btnTotalbooks.Size = new System.Drawing.Size(133, 22);

this.btnTotalbooks.TabIndex = 3;

this.btnTotalbooks.Text = "Total No. of Books";

this.btnTotalbooks.UseVisualStyleBackColor = true;

this.btnTotalbooks.Click += new System.EventHandler(this.btnTotalbooks_Click);

// btnListBooks

this.btnListBooks.Location = new System.Drawing.Point(9, 25);

this.btnListBooks.Name = "btnListBooks";

this.btnListBooks.Size = new System.Drawing.Size(133, 22);

this.btnListBooks.TabIndex = 2;

this.btnListBooks.Text = "List of Books";

this.btnListBooks.UseVisualStyleBackColor = true;

this.btnListBooks.Click += new System.EventHandler(this.btnListBooks_Click);

// rdoMonthly

this.rdoMonthly.AutoSize = true;

this.rdoMonthly.Location = new System.Drawing.Point(24, 186);

this.rdoMonthly.Name = "rdoMonthly";

this.rdoMonthly.Size = new System.Drawing.Size(97, 17);

this.rdoMonthly.TabIndex = 2;

this.rdoMonthly.TabStop = true;

this.rdoMonthly.Text = "Monthly Report";

this.rdoMonthly.UseVisualStyleBackColor = true;

this.rdoMonthly.CheckedChanged += new System.EventHandler(this.rdoMonthly_CheckedChanged);

// rdoWeekly

this.rdoWeekly.AutoSize = true;

this.rdoWeekly.Location = new System.Drawing.Point(24, 163);

this.rdoWeekly.Name = "rdoWeekly";

this.rdoWeekly.Size = new System.Drawing.Size(96, 17);

this.rdoWeekly.TabIndex = 2;

this.rdoWeekly.TabStop = true;

this.rdoWeekly.Text = "Weekly Report";

this.rdoWeekly.UseVisualStyleBackColor = true;

this.rdoWeekly.CheckedChanged += new System.EventHandler(this.rdoWeekly_CheckedChanged);

// rdoDaily

this.rdoDaily.AutoSize = true;

this.rdoDaily.Location = new System.Drawing.Point(24, 140);

this.rdoDaily.Name = "rdoDaily";

this.rdoDaily.Size = new System.Drawing.Size(83, 17);

this.rdoDaily.TabIndex = 2;

this.rdoDaily.TabStop = true;

this.rdoDaily.Text = "Daily Report";

this.rdoDaily.UseVisualStyleBackColor = true;

this.rdoDaily.CheckedChanged += new System.EventHandler(this.rdoDaily_CheckedChanged);

// dtp_strtDate

this.dtp_strtDate.CustomFormat = "yyyy-MM-dd";

this.dtp_strtDate.Format = System.Windows.Forms.DateTimePickerFormat.Custom;

this.dtp_strtDate.Location = new System.Drawing.Point(10, 41);

this.dtp_strtDate.Name = "dtp_strtDate";

this.dtp_strtDate.Size = new System.Drawing.Size(132, 20);

this.dtp_strtDate.TabIndex = 14;

// Label2

this.Label2.AutoSize = true;

this.Label2.Location = new System.Drawing.Point(10, 26);

this.Label2.Name = "Label2";

this.Label2.Size = new System.Drawing.Size(61, 13);

this.Label2.TabIndex = 16;

this.Label2.Text = "Start Date :";

// Label3

this.Label3.AutoSize = true;

this.Label3.Location = new System.Drawing.Point(10, 73);

this.Label3.Name = "Label3";

this.Label3.Size = new System.Drawing.Size(58, 13);

this.Label3.TabIndex = 18;

this.Label3.Text = "End Date :";

// Label1

this.Label1.AutoSize = true;

this.Label1.Location = new System.Drawing.Point(7, 84);

this.Label1.Name = "Label1";

this.Label1.Size = new System.Drawing.Size(43, 13);

this.Label1.TabIndex = 1;

this.Label1.Text = "Status :";

// cboStatus

this.cboStatus.FormattingEnabled = true;

this.cboStatus.Items.AddRange(new object[] {

"Borrowed",

"Returned",

"Overdue"});

this.cboStatus.Location = new System.Drawing.Point(6, 103);

this.cboStatus.Name = "cboStatus";

this.cboStatus.Size = new System.Drawing.Size(137, 21);

this.cboStatus.TabIndex = 0;

this.cboStatus.Text = "Borrowed";

// GroupBox1

this.GroupBox1.Controls.Add(this.btnTotalbooks);

this.GroupBox1.Controls.Add(this.btnListBooks);

this.GroupBox1.Controls.Add(this.rdoMonthly);

this.GroupBox1.Controls.Add(this.rdoWeekly);

this.GroupBox1.Controls.Add(this.rdoDaily);

this.GroupBox1.Controls.Add(this.Label1);

this.GroupBox1.Controls.Add(this.cboStatus);

this.GroupBox1.Location = new System.Drawing.Point(3, 3);

this.GroupBox1.Name = "GroupBox1";

this.GroupBox1.Size = new System.Drawing.Size(152, 229);

this.GroupBox1.TabIndex = 0;

this.GroupBox1.TabStop = false;

this.GroupBox1.Text = "Books";

// FlowLayoutPanel1

this.FlowLayoutPanel1.Controls.Add(this.GroupBox1);

this.FlowLayoutPanel1.Controls.Add(this.GroupBox2);

this.FlowLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Left;

this.FlowLayoutPanel1.Location = new System.Drawing.Point(0, 0);

this.FlowLayoutPanel1.Name = "FlowLayoutPanel1";

this.FlowLayoutPanel1.Size = new System.Drawing.Size(161, 551);

this.FlowLayoutPanel1.TabIndex = 3;

// GroupBox2

this.GroupBox2.Controls.Add(this.dtp_strtDate);

this.GroupBox2.Controls.Add(this.Label2);

this.GroupBox2.Controls.Add(this.Label3);

this.GroupBox2.Controls.Add(this.dtp_endDate);

this.GroupBox2.Controls.Add(this.btn_preview);

this.GroupBox2.Location = new System.Drawing.Point(3, 238);

this.GroupBox2.Name = "GroupBox2";

this.GroupBox2.Size = new System.Drawing.Size(152, 162);

this.GroupBox2.TabIndex = 2;

this.GroupBox2.TabStop = false;

this.GroupBox2.Text = "Date Filter";

// crystalReportViewer1

this.crystalReportViewer1.ActiveViewIndex = -1;

this.crystalReportViewer1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;

this.crystalReportViewer1.Cursor = System.Windows.Forms.Cursors.Default;

this.crystalReportViewer1.Dock = System.Windows.Forms.DockStyle.Fill;

this.crystalReportViewer1.Location = new System.Drawing.Point(161, 0);

this.crystalReportViewer1.Name = "crystalReportViewer1";

this.crystalReportViewer1.Size = new System.Drawing.Size(727, 551);

this.crystalReportViewer1.TabIndex = 4;

// frmReport

this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);

this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

this.ClientSize = new System.Drawing.Size(888, 551);

this.Controls.Add(this.crystalReportViewer1);

this.Controls.Add(this.FlowLayoutPanel1);

this.Name = "frmReport";

this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;

this.Text = "Inventory Reports";

this.Load += new System.EventHandler(this.frmReport_Load);

this.GroupBox1.ResumeLayout(false);

this.GroupBox1.PerformLayout();

this.FlowLayoutPanel1.ResumeLayout(false);

this.GroupBox2.ResumeLayout(false);

this.GroupBox2.PerformLayout();

this.ResumeLayout(false);

}

#endregion

internal System.Windows.Forms.DateTimePicker dtp_endDate;

internal System.Windows.Forms.Button btn_preview;

internal System.Windows.Forms.Button btnTotalbooks;

internal System.Windows.Forms.Button btnListBooks;

internal System.Windows.Forms.RadioButton rdoMonthly;

internal System.Windows.Forms.RadioButton rdoWeekly;

internal System.Windows.Forms.RadioButton rdoDaily;

internal System.Windows.Forms.DateTimePicker dtp_strtDate;

internal System.Windows.Forms.Label Label2;

internal System.Windows.Forms.Label Label3;

internal System.Windows.Forms.Label Label1;

internal System.Windows.Forms.ComboBox cboStatus;

internal System.Windows.Forms.GroupBox GroupBox1;

internal System.Windows.Forms.FlowLayoutPanel FlowLayoutPanel1;

internal System.Windows.Forms.GroupBox GroupBox2;

private CrystalDecisions.Windows.Forms.CrystalReportViewer crystalReportViewer1;

}

frmBorrower.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using LibrarySystem.Includes;
using LibrarySystem.Properties;
using System.IO;

namespace LibrarySystem
{
    public partial class frmBorrower : Form
    {
        public frmBorrower()
        {
            InitializeComponent();
        }

        SQLConfig config = new SQLConfig();
        usableFunction funct = new usableFunction();
        string sql;
        int inc, maxrow;

        private void navigate_records(int inc)
        {
            sql = "SELECT BorrowerId FROM tblborrower";
            config.singleResult(sql);

            if (config.dt.Rows.Count > 0)
            {
                txt_bid.Text = config.dt.Rows[inc].Field<string>(0);
            }
        }
        private void btn_New_Click(object sender, EventArgs e)
        {
            funct.clearTxt(this);  
            sql = "SELECT BorrowerId,`Firstname`, `Lastname`, `MiddleName`, `Address`, `Sex`, `ContactNo`, `CourseYear`  as 'Course/Year' FROM `tblborrower`  WHERE Stats='Active'";
            config.Load_ResultList(sql, dtg_ABorrowLists); 
            PictureBox1.ImageLocation = "";
            btn_delete.Enabled = false;

            sql = "SELECT * FROM `tblborrower`  WHERE Stats='Active'";
            config.singleResult(sql);
            if (config.dt.Rows.Count > 0)
            {
                maxrow = config.dt.Rows.Count - 1;
            }

            inc = 0;
        }

        private void frmBorrower_Load(object sender, EventArgs e)
        {
            btn_New_Click(sender, e);
        }

        private void txt_bid_TextChanged(object sender, EventArgs e)
        {
            sql = "SELECT * FROM `tblborrower` WHERE `BorrowerId` = '" + txt_bid.Text + "'";
            config.singleResult(sql);

            if(config.dt.Rows.Count > 0)
            {
                txt_fname.Text = config.dt.Rows[0].Field<string>("Firstname");
                txt_lname.Text = config.dt.Rows[0].Field<string>("Lastname");
                txt_mname.Text = config.dt.Rows[0].Field<string>("MiddleName");
                rch_address.Text = config.dt.Rows[0].Field<string>("Address");
                txtContact.Text = config.dt.Rows[0].Field<string>("ContactNo");
                txtCourse.Text = config.dt.Rows[0].Field<string>("CourseYear");
                PictureBox1.ImageLocation = Application.StartupPath + "\\BorrowerPhoto\\" + config.dt.Rows[0].Field<string>("BorrowerPhoto");

                if (config.dt.Rows[0].Field<string>("Sex") == "Female")
                {
                    rdio_female.Checked = true;
                }
                else
                {
                    rdio_male.Checked = true;
                }
                btn_delete.Enabled = true;
                 
            }
            else
            {
                btn_delete.Enabled = false;
                clearme();
            }
             
        }
        private void clearme()
        {
            txt_fname.Clear();
            txt_lname.Clear();
            txt_mname.Clear();
            rch_address.Clear();
            txtContact.Clear();
            txtCourse.Clear();
            txtPhoto.Clear();
        }

        private void btn_save_Click(object sender, EventArgs e)
        {
             
            if( txt_bid.Text == "" 
            || txt_fname.Text == "" || txt_lname.Text == "" 
            || txt_mname.Text == "" || txtCourse.Text == "" ){
              funct.emptymessage();
            }

            string gender;
            if (rdio_female.Checked)
            {
                gender = "Female";
            }
            else
            {
                gender = "Male";
            }  

            sql = "SELECT * FROM `tblborrower` WHERE `BorrowerId`=" + txt_bid.Text;
            config.singleResult(sql);
            if (config.dt.Rows.Count > 0)
            {
                sql = "update  tblborrower set  `Firstname`='" + txt_fname.Text
                      + "', `Lastname`='" + txt_lname.Text + "', `MiddleName`='" + txt_mname.Text
                      + "', `Address`='" + rch_address.Text + "', `Sex`='" + gender
                      + "', `ContactNo` ='" + txtContact.Text + "', `CourseYear`='" + txtCourse.Text.ToUpper()
                      + "', `BorrowerPhoto`='" + Path.GetFileName(PictureBox1.ImageLocation) + "', `BorrowerType`='Student' where `BorrowerId`='" + txt_bid.Text + "'";
                config.Execute_CUD(sql, "error to execute the query", "Borrower has been updated in the database.");

            }
            else
            {
                sql = "insert into tblborrower (`BorrowerId`, `Firstname`, `Lastname`, `MiddleName`, `Address`, "
                       + "`Sex`, `ContactNo`, `CourseYear`,  `BorrowerPhoto`,`BorrowerType`,Stats)"
                       + "values ('" + txt_bid.Text + "','" + txt_fname.Text + "','" + txt_lname.Text
                       + "','" + txt_mname.Text + "','" + rch_address.Text
                       + "','" + gender + "','" + txtContact.Text + "','" + txtCourse.Text
                       + "','" + Path.GetFileName(PictureBox1.ImageLocation) + "','Student','Active')";
                config.Execute_CUD(sql, "error to execute the query", "New borrower has been added in the database.");

            }
            if(txtPhoto.Text!= "")
            {
                File.Copy(txtPhoto.Text, Application.StartupPath + "\\BorrowerPhoto\\" + Path.GetFileName(PictureBox1.ImageLocation),true);
            }

            btn_New_Click(sender, e);

        }

        private void PictureBox1_Click(object sender, EventArgs e)
        {
            //With OpenFileDialog1

            //    'CHECK THE SELECTED FILE IF IT EXIST OTHERWISE THE DIALOG BOX WILL DISPLAY A WARNING.
            OpenFileDialog1.CheckFileExists = true;


            //    'CHECK THE SELECTED PATH IF IT EXIST OTHERWISE THE DIALOG BOX WILL DISPLAY A WARNING.
            OpenFileDialog1.CheckPathExists = true;


            //    'GET AND SET THE DEFAULT EXTENSION
            OpenFileDialog1.DefaultExt = "jpg";


            //    'RETURN THE FILE LINKED TO THE LNK FILE
            OpenFileDialog1.DereferenceLinks = true;

            //    'SET THE FILE NAME TO EMPTY 
            OpenFileDialog1.FileName = "";

            //    'FILTERING THE FILES
            OpenFileDialog1.Filter = "(*.jpg)|*.jpg|(*.png)|*.png|(*.jpg)|*.jpg|All files|*.*";

            //    'SET THIS FOR ONE FILE SELECTION ONLY.
            OpenFileDialog1.Multiselect = false;



            //    'SET THIS TO PUT THE CURRENT FOLDER BACK TO WHERE IT HAS STARTED.
            OpenFileDialog1.RestoreDirectory = true;

            //    'SET THE TITLE OF THE DIALOG BOX.
            OpenFileDialog1.Title = "Select a file to open";

            //    'ACCEPT ONLY THE VALID WIN32 FILE NAMES.
            OpenFileDialog1.ValidateNames = true;

            if (OpenFileDialog1.ShowDialog() == DialogResult.OK)
            {
                txtPhoto.Text = OpenFileDialog1.FileName; 
                PictureBox1.ImageLocation = OpenFileDialog1.FileName;
                PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
            }
  
        }

        private void btn_delete_Click(object sender, EventArgs e)
        { 
            if (MessageBox.Show("Are you sure you want to delete this borrower?", "Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes) { 
                sql = "UPDATE `tblborrower` SET  `Stats` =  'NotActive' WHERE `BorrowerId` ='" + dtg_ABorrowLists.CurrentRow.Cells[0].Value + "'";
                config.Execute_Query(sql);

                MessageBox.Show("Borrower has been deleted in the database.", "Success", MessageBoxButtons.OK);
                btn_New_Click(sender, e);
            } 
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btn_last_Click(object sender, EventArgs e)
        {
            inc = maxrow;
            navigate_records(inc);
        }

        private void btn_prev_Click(object sender, EventArgs e)
        {
            if(inc == 0)
            {
                MessageBox.Show("First Records.", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else if(inc <= maxrow)
            {
                inc = inc - 1;
                navigate_records(inc);
            }
        }

        private void btn_next_Click(object sender, EventArgs e)
        {
            if (inc == maxrow)
            { 
                MessageBox.Show("Last Records.", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else  if (inc >= 0)
            {
                inc = inc + 1;
                navigate_records(inc);
            }
        }

        private void dtg_ABorrowLists_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            txt_bid.Text = dtg_ABorrowLists.CurrentRow.Cells[0].Value.ToString();
        }

        private void btn_first_Click(object sender, EventArgs e)
        {
            inc = 0;
            navigate_records(inc);
        }
    }
}

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using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using LibrarySystem.Includes;

using LibrarySystem.Properties;

using System.IO;

namespace LibrarySystem

{

public partial class frmBorrower : Form

{

public frmBorrower()

{

InitializeComponent();

}

SQLConfig config = new SQLConfig();

usableFunction funct = new usableFunction();

string sql;

int inc, maxrow;

private void navigate_records(int inc)

{

sql = "SELECT BorrowerId FROM tblborrower";

config.singleResult(sql);

if (config.dt.Rows.Count > 0)

{

txt_bid.Text = config.dt.Rows[inc].Field<string>(0);

}

private void btn_New_Click(object sender, EventArgs e)

{

funct.clearTxt(this);

sql = "SELECT BorrowerId,`Firstname`, `Lastname`, `MiddleName`, `Address`, `Sex`, `ContactNo`, `CourseYear` as 'Course/Year' FROM `tblborrower` WHERE Stats='Active'";

config.Load_ResultList(sql, dtg_ABorrowLists);

PictureBox1.ImageLocation = "";

btn_delete.Enabled = false;

sql = "SELECT * FROM `tblborrower` WHERE Stats='Active'";

config.singleResult(sql);

if (config.dt.Rows.Count > 0)

{

maxrow = config.dt.Rows.Count - 1;

}

inc = 0;

}

private void frmBorrower_Load(object sender, EventArgs e)

{

btn_New_Click(sender, e);

}

private void txt_bid_TextChanged(object sender, EventArgs e)

{

sql = "SELECT * FROM `tblborrower` WHERE `BorrowerId` = '" + txt_bid.Text + "'";

config.singleResult(sql);

if(config.dt.Rows.Count > 0)

{

txt_fname.Text = config.dt.Rows[0].Field<string>("Firstname");

txt_lname.Text = config.dt.Rows[0].Field<string>("Lastname");

txt_mname.Text = config.dt.Rows[0].Field<string>("MiddleName");

rch_address.Text = config.dt.Rows[0].Field<string>("Address");

txtContact.Text = config.dt.Rows[0].Field<string>("ContactNo");

txtCourse.Text = config.dt.Rows[0].Field<string>("CourseYear");

PictureBox1.ImageLocation = Application.StartupPath + "\\BorrowerPhoto\\" + config.dt.Rows[0].Field<string>("BorrowerPhoto");

if (config.dt.Rows[0].Field<string>("Sex") == "Female")

{

rdio_female.Checked = true;

}

else

{

rdio_male.Checked = true;

}

btn_delete.Enabled = true;

}

else

{

btn_delete.Enabled = false;

clearme();

}

private void clearme()

{

txt_fname.Clear();

txt_lname.Clear();

txt_mname.Clear();

rch_address.Clear();

txtContact.Clear();

txtCourse.Clear();

txtPhoto.Clear();

}

private void btn_save_Click(object sender, EventArgs e)

{

if( txt_bid.Text == ""

|| txt_fname.Text == "" || txt_lname.Text == ""

|| txt_mname.Text == "" || txtCourse.Text == "" ){

funct.emptymessage();

}

string gender;

if (rdio_female.Checked)

{

gender = "Female";

}

else

{

gender = "Male";

}

sql = "SELECT * FROM `tblborrower` WHERE `BorrowerId`=" + txt_bid.Text;

config.singleResult(sql);

if (config.dt.Rows.Count > 0)

{

sql = "update tblborrower set `Firstname`='" + txt_fname.Text

+ "', `Lastname`='" + txt_lname.Text + "', `MiddleName`='" + txt_mname.Text

+ "', `Address`='" + rch_address.Text + "', `Sex`='" + gender

+ "', `ContactNo` ='" + txtContact.Text + "', `CourseYear`='" + txtCourse.Text.ToUpper()

+ "', `BorrowerPhoto`='" + Path.GetFileName(PictureBox1.ImageLocation) + "', `BorrowerType`='Student' where `BorrowerId`='" + txt_bid.Text + "'";

config.Execute_CUD(sql, "error to execute the query", "Borrower has been updated in the database.");

}

else

{

sql = "insert into tblborrower (`BorrowerId`, `Firstname`, `Lastname`, `MiddleName`, `Address`, "

+ "`Sex`, `ContactNo`, `CourseYear`, `BorrowerPhoto`,`BorrowerType`,Stats)"

+ "values ('" + txt_bid.Text + "','" + txt_fname.Text + "','" + txt_lname.Text

+ "','" + txt_mname.Text + "','" + rch_address.Text

+ "','" + gender + "','" + txtContact.Text + "','" + txtCourse.Text

+ "','" + Path.GetFileName(PictureBox1.ImageLocation) + "','Student','Active')";

config.Execute_CUD(sql, "error to execute the query", "New borrower has been added in the database.");

}

if(txtPhoto.Text!= "")

{

File.Copy(txtPhoto.Text, Application.StartupPath + "\\BorrowerPhoto\\" + Path.GetFileName(PictureBox1.ImageLocation),true);

}

btn_New_Click(sender, e);

}

private void PictureBox1_Click(object sender, EventArgs e)

{

//With OpenFileDialog1

// 'CHECK THE SELECTED FILE IF IT EXIST OTHERWISE THE DIALOG BOX WILL DISPLAY A WARNING.

OpenFileDialog1.CheckFileExists = true;

// 'CHECK THE SELECTED PATH IF IT EXIST OTHERWISE THE DIALOG BOX WILL DISPLAY A WARNING.

OpenFileDialog1.CheckPathExists = true;

// 'GET AND SET THE DEFAULT EXTENSION

OpenFileDialog1.DefaultExt = "jpg";

// 'RETURN THE FILE LINKED TO THE LNK FILE

OpenFileDialog1.DereferenceLinks = true;

// 'SET THE FILE NAME TO EMPTY

OpenFileDialog1.FileName = "";

// 'FILTERING THE FILES

OpenFileDialog1.Filter = "(*.jpg)|*.jpg|(*.png)|*.png|(*.jpg)|*.jpg|All files|*.*";

// 'SET THIS FOR ONE FILE SELECTION ONLY.

OpenFileDialog1.Multiselect = false;

// 'SET THIS TO PUT THE CURRENT FOLDER BACK TO WHERE IT HAS STARTED.

OpenFileDialog1.RestoreDirectory = true;

// 'SET THE TITLE OF THE DIALOG BOX.

OpenFileDialog1.Title = "Select a file to open";

// 'ACCEPT ONLY THE VALID WIN32 FILE NAMES.

OpenFileDialog1.ValidateNames = true;

if (OpenFileDialog1.ShowDialog() == DialogResult.OK)

{

txtPhoto.Text = OpenFileDialog1.FileName;

PictureBox1.ImageLocation = OpenFileDialog1.FileName;

PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;

}

private void btn_delete_Click(object sender, EventArgs e)

{

if (MessageBox.Show("Are you sure you want to delete this borrower?", "Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes) {

sql = "UPDATE `tblborrower` SET `Stats` = 'NotActive' WHERE `BorrowerId` ='" + dtg_ABorrowLists.CurrentRow.Cells[0].Value + "'";

config.Execute_Query(sql);

MessageBox.Show("Borrower has been deleted in the database.", "Success", MessageBoxButtons.OK);

btn_New_Click(sender, e);

}

private void btnClose_Click(object sender, EventArgs e)

{

this.Close();

}

private void btn_last_Click(object sender, EventArgs e)

{

inc = maxrow;

navigate_records(inc);

}

private void btn_prev_Click(object sender, EventArgs e)

{

if(inc == 0)

{

MessageBox.Show("First Records.", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);

}

else if(inc <= maxrow)

{

inc = inc - 1;

navigate_records(inc);

}

private void btn_next_Click(object sender, EventArgs e)

{

if (inc == maxrow)

{

MessageBox.Show("Last Records.", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);

}

else if (inc >= 0)

{

inc = inc + 1;

navigate_records(inc);

}

private void dtg_ABorrowLists_CellClick(object sender, DataGridViewCellEventArgs e)

{

txt_bid.Text = dtg_ABorrowLists.CurrentRow.Cells[0].Value.ToString();

}

private void btn_first_Click(object sender, EventArgs e)

{

inc = 0;

navigate_records(inc);

}

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