protected void Button1_Click(object sender, EventArgs e) { int payId = Int32.Parse(Request.QueryString["payId"]); Debug.Print(paytypeTxt.Text); Response response = PaymentTypeController.UpdatePaymentType(payId, paytypeTxt.Text); if (response.successStatus == true) { Response.Write("<script>alert('Product updated successfully')</script>"); Response.Redirect(Request.RawUrl); } else { lblError.Text = response.message; } }