Bind (display) data in gridview using ADO.net disconneted achitechture

WAP to display data in ASP.Net GridView Control from SQL  Database using ADO.Net disconnected Architecture.

Explanation:- Please check the explanation of ADO.Net connected Architecture program.

WebForm1.aspx.cs

using System;

using System.Data;

using System.Data.SqlClient;

using System.Configuration;

namespace ADO.net_Tutorial

{

    public partial class WebForm1 : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            //bind gridviw using disconnted architechture of ado.net

            string constr = ConfigurationManager.ConnectionStrings["testconstr"].ConnectionString;

            SqlConnection con = new SqlConnection(constr);

            SqlCommand cmd = new SqlCommand(" select * from EmployeeDetails", con);

            DataSet ds = new DataSet();

            SqlDataAdapter da = new SqlDataAdapter(cmd);

            da.Fill(ds);

            GridView1.DataSource = ds;

            GridView1.DataBind();

        }

    }

}