protected void btnLogin_Click(object sender, EventArgs e) { var proxy = new BusinessProxy(); string strUserName = txtUserName.Text.Trim(); string strPassword = txtPassword.Text.Trim(); if (proxy.CheckAdminLogin(strUserName, strPassword)) { HttpContext.Current.Session["AdminUserName"] = strUserName; Response.Redirect("default.aspx"); } else { lblError.Text = "Invalid Username/Password"; } }