coding for login page in ado.net

i want a coding or a design page for a login page in which where we are already make a database or we are already inserted the value of username or password in our database when we want to login in the runtime we have to inserted those value which are already in the database

using System;using System.Configuration;using System.Data;using System.Data.SqlClient;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; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) {  } 

protected string Getconnection() { return System.Configuration.ConfigurationManager.ConnectionStrings["subhacon"].ConnectionString; }  protected void Button1_Click(object sender, EventArgs e) { try { SqlConnection con = new SqlConnection(Getconnection());  con.Open(); SqlCommand com = new SqlCommand("select * from login where uname= @uname and pass= @pass", con);

  com.Parameters.AddWithValue("@uname", TextBox1.Text);  com.Parameters.AddWithValue("@pass", TextBox2.Text); 

if(con!=null) Response.Write("conn success");  SqlDataReader dr = com.ExecuteReader();  if (dr.Read()==true) { Response.Redirect("http://google.com"); Response.Write("login success"); }  else Response.Write("login failed"); } catch (Exception ex) { Response.Write("error"); } 

}}