protected void approveButton_Click(object sender, EventArgs e)
        {
            PurchaseToWHBLL purchaseRecord = new PurchaseToWHBLL();

            try
            {
                purchaseRecord.ApprovePurchaseRecord(warehouseIdLabel.Text.Trim(), idLabel.Text.Trim());

                string message = "Purchase Record <span class='actionTopic'>Approved</span> Successfully.";
                MyAlertBox("var callbackOk = function () { MyOverlayStart(); window.location = \"/UI/PurchaseToWH/PurchaseApprovalList.aspx\"; }; SuccessAlert(\"" + "Process Succeed" + "\", \"" + message + "\", callbackOk);");

                //  MyAlertBox("alert(\"Purchase Record Approved Successfully.\"); window.location=\"/UI/PurchaseToWH/PurchaseApprovalList.aspx\"");
            }
            catch (Exception ex)
            {
                msgbox.Visible = true; msgTitleLabel.Text = "Exception!!!"; msgDetailLabel.Text = ex.Message;
            }
            finally
            {
                purchaseRecord = null;
            }
        }