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 WindowsFormsApplication4
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
SqlConnection cn = new SqlConnection("server=WEBNET;database=myfirstdb;user=sa;password=aptech");
string insert;
insert = "insert into employee values('" + textBox1.Text + "','" + textBox2.Text + "','" + textBox3.Text + "' )";
SqlCommand cm = new SqlCommand(insert,cn);
cn.Open();
cm.ExecuteNonQuery();
MessageBox.Show("Record added succesfully");
cn.Close();
}
private void button2_Click(object sender, EventArgs e)
{
SqlConnection cn = new SqlConnection("server=WEBNET;database=myfirstdb;user=sa;password=aptech");
string delete;
delete = "delete from employee where empno='" + textBox1.Text + "' ";
SqlCommand cm = new SqlCommand(delete, cn);
cn.Open();
cm.ExecuteNonQuery();
cn.Close();
private void button3_Click(object sender, EventArgs e)
{
SqlConnection cn = new SqlConnection("server=LAB2-80;database=myfirstdb;user=sa;password=aptech");
string update;
update = "update emp set empno='"+textBox1.Text+"',name='"+textBox2.Text+"',location='"+textBox3.Text+"' where empno='"+textBox1.Text+"' ";
SqlCommand cm = new SqlCommand(update, cn);
cn.Open();
cm.ExecuteNonQuery();
MessageBox.Show("Record updated succesfully");
cn.Close();
}
}
}
}
