protected void OKbtn_Click(object sender, EventArgs e) { //add the new record Add(); //create instance of the class clsOrder AnOrder = new clsOrder(); //variable to store result Boolean Found = false; Found = AnOrder.FindTheOrderNo(); //if the operation is successful if (Found == true) { lblOrderNo.Text = "Your Order Number is: " + Convert.ToString(AnOrder.OrderNo); } else { lblOrderNo.Text = ""; } }