How to insert data in SQL database in ASP.NET-Example


INSERT.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Insert.aspx.cs" Inherits="Insert" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">
        .auto-style1 {
            width: 100%;
        }
        .auto-style2 {
            width: 98px;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
        <table class="auto-style1">
            <tr>
                <td class="auto-style2">ID</td>
                <td>
                    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td class="auto-style2">Name</td>
                <td>
                    <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td class="auto-style2">Address</td>
                <td>
                    <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
                </td>
            </tr>
        </table>
        <br />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Insert" />
        <br />
        <asp:GridView ID="GridView1" runat="server">
        </asp:GridView>
    </form>
</body>
</html>


INSERT.ASPX.CS

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;

public partial class Insert : System.Web.UI.Page
{
    SqlConnection conn = new SqlConnection(@"Data Source=(LocalDB)\v11.0;AttachDbFilename=D:\Program OF Asp.net\WebSite2\App_Data\Database.mdf;Integrated Security=True");
    SqlCommand cmd;      //for insert update delete.
    SqlDataAdapter adp;
    DataTable dt;

    public void disp_emp() // create Function and define it.
    {                      // Or manualy you can write it.
        conn.Open();
        adp = new SqlDataAdapter("select * from emp", conn);
        dt = new DataTable();
        adp.Fill(dt);
        GridView1.DataSource = dt;
        GridView1.DataBind();
        conn.Close();
    }
    protected void Page_Load(object sender, EventArgs e)
    {
        disp_emp();        //define class.
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        conn.Open();
        cmd = new SqlCommand("insert into emp values('" + TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "')", conn);
        cmd.ExecuteNonQuery();
        conn.Close();
        disp_emp();         //define class.
    }
}

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