fetch data from sql server and insert int asp.net textbox

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();
        }



    }
}