how to fetch a row from sql server 2008,in C# ASP.NET

using System.Data.SqlClient;

SqlConnection con = new SqlConnection("server=Harshit-PC; database=YourDataBaseName; uid=YourSQLuid; pwd=YourSQLPassword");

con.Open(); //Open Connection

        string FetchData = "Select * from cus where Name='fb'";
        cmd = new SqlCommand(FetchData, con);  // Passing Query
        dr = cmd.ExecuteReader();      // Executing Command & Reading Data

        if (dr.Read())
        {

            TextBox1.Text = dr[0].ToString(); //  Use Data From Here
            TextBox2.Text = dr[1].ToString();//   Use Data From Here
        }

using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
 
public partial class _Default : System.Web.UI.Page 
{
    SqlConnection con = new SqlConnection("server=Harshit-PC; database=Temp; uid= sa;pwd=india");
    SqlDataReader dr;
    SqlCommand cmd;
    protected void Page_Load(object sender, EventArgs e)
    {
        con.Open();
 
        string FetchData = "Select * from cus where Name='fb'";
        cmd = new SqlCommand(FetchData, con);
        dr = cmd.ExecuteReader();
 
        if (dr.Read())
        {
 
            TextBox1.Text = dr[0].ToString();
            TextBox2.Text = dr[1].ToString();
        }
 

 
    }
}