protected void Button1_Click(object sender, EventArgs e) { logindetails ld = new logindetails(); ld.username = customerid.Text; ld.password = password.Text; LoginBO LB = new LoginBO(); bool b = LB.LoginValidate(ld); if (b) { Session["User"] = customerid.Text; Response.Redirect("flightsearch.aspx"); } else { Label1.Text = "Invalid Username/Password..."; } }