PROGRAMMING USING C# .NET - SARASWATHI RAMALINGAM
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This document provides code for a C# library management program that uses ADO.NET and SQL Server. The program allows users to insert, delete, update, and view data in a library database. It includes code to connect to the database, insert book issue and return records, update return dates, and display data in a datagridview. The code is organized into methods that are triggered by button clicks to perform the different operations on the library database.
![ADO.NET-LIBRARY MANAGEMENT[DB SQL SERVER]
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace ADO.NETCONNECTION
{
public partial class Form1 : Form
{
string connectionstring = @"Data Source=CLIENT1-PC;Initial Catalog=SARAS;Integrated
Security=True";
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(connectionstring);
con.Open();
SqlCommand cmd = new SqlCommand("INSERT INTO library
VALUES('"+textBox1.Text+"','"+textBox2.Text+"','"+textBox3.Text+"','"+textBox4.Text+"')",con);](https://image.slidesharecdn.com/program9-210213171616/85/PROGRAMMING-USING-C-NET-SARASWATHI-RAMALINGAM-2-320.jpg)
![private void button4_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(connectionstring);
con.Open();
SqlCommand cmd = new SqlCommand("SELECT * FROM library", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
cmd.ExecuteNonQuery();
da.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
con.Close();
}
private void button3_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(connectionstring);
con.Open();
SqlCommand cmd = new SqlCommand("UPDATE library SET
RETURNDATE='" + textBox4.Text + "'", con);
try
{
cmd.ExecuteNonQuery();
MessageBox.Show("DATE EXTENDED");
}](https://image.slidesharecdn.com/program9-210213171616/85/PROGRAMMING-USING-C-NET-SARASWATHI-RAMALINGAM-4-320.jpg)
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PROGRAMMING USING C# .NET - SARASWATHI RAMALINGAM
- 1. PROGRAMMING USING C# LAB MANUAL SARASWATHI RAMALINGAM SRI AKILANDESWARI WOMENS COLLEGE THIRUVALLUVAR UNIVERSITY
- 2. ADO.NET-LIBRARY MANAGEMENT[DB SQL SERVER] using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.SqlClient; namespace ADO.NETCONNECTION { public partial class Form1 : Form { string connectionstring = @"Data Source=CLIENT1-PC;Initial Catalog=SARAS;Integrated Security=True"; public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(connectionstring); con.Open(); SqlCommand cmd = new SqlCommand("INSERT INTO library VALUES('"+textBox1.Text+"','"+textBox2.Text+"','"+textBox3.Text+"','"+textBox4.Text+"')",con);
- 3. try { cmd.ExecuteNonQuery(); MessageBox.Show("BOOK ISSUED"); } catch (Exception) { MessageBox.Show("BOOK NOT ISSUED"); } finally { con.Close(); } } private void button2_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(connectionstring); con.Open(); SqlCommand cmd = new SqlCommand("DELETE FROM library WHERE LIBRARYID='"+textBox1.Text+"'",con); try { cmd.ExecuteNonQuery(); MessageBox.Show("BOOK RETURNED"); } catch (Exception) { MessageBox.Show("BOOK NOT RETURN"); } finally { con.Close(); } }
- 4. private void button4_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(connectionstring); con.Open(); SqlCommand cmd = new SqlCommand("SELECT * FROM library", con); SqlDataAdapter da = new SqlDataAdapter(cmd); DataSet ds = new DataSet(); cmd.ExecuteNonQuery(); da.Fill(ds); dataGridView1.DataSource = ds.Tables[0]; con.Close(); } private void button3_Click(object sender, EventArgs e) { SqlConnection con = new SqlConnection(connectionstring); con.Open(); SqlCommand cmd = new SqlCommand("UPDATE library SET RETURNDATE='" + textBox4.Text + "'", con); try { cmd.ExecuteNonQuery(); MessageBox.Show("DATE EXTENDED"); }
- 5. catch (Exception) { MessageBox.Show("DATE NOT EXTENDED"); } finally { con.Close(); } } private void button5_Click(object sender, EventArgs e) { Close(); } private void Form1_Load(object sender, EventArgs e) { } } }
- 6. DESIGN VIEW
- 7. DATABASE
- 8. OUTPUT