void AddUpdateData()
        {
            try
            {
                ep1.Clear();

                if (string.IsNullOrEmpty(cmbItemSetName.Text.Trim()))
                {
                    ep1.SetError(cmbItemSetName, "This field is Required..");
                    cmbItemSetName.Focus();
                    return;
                }
                if (string.IsNullOrEmpty(cmbItemName.Text.Trim()))
                {
                    ep1.SetError(cmbItemName, "This field is Required..");
                    cmbItemName.Focus();
                    return;
                }

                if (string.IsNullOrEmpty(txtQTY.Text.Trim()))
                {
                    ep1.SetError(txtQTY, "This field is Required..");
                    txtQTY.Focus();
                    return;
                }

                MyDa = new MyDabaseDataContext(Properties.Settings.Default.Style_King_Dev);
                int?Iout = 0;

                int TM01_MAIN_PRODUCTID = 0, TM01_PRODUCTID = 0, TM02_PRODUCTSIZEID = 0, TM02_MAIN_PRODUCTSIZEID = 0;
                int.TryParse(cmbItemSetName.SelectedValue.ToString(), out TM01_MAIN_PRODUCTID);
                // int.TryParse(cmbMainItemSize.SelectedValue.ToString(), out TM02_MAIN_PRODUCTSIZEID);
                int.TryParse(cmbItemName.SelectedValue.ToString(), out TM01_PRODUCTID);
                // int.TryParse(cmbItemSize.SelectedValue.ToString(), out TM02_PRODUCTSIZEID);

                int TM03_QTY = 0;
                int.TryParse(txtQTY.Text.Trim(), out TM03_QTY);

                MyDa.USP_VP_ADDUPDATE_PRODUCTITEM(Datalayer.iTM03_PRODUCTITEMID, TM01_MAIN_PRODUCTID, TM01_PRODUCTID, TM03_QTY, Datalayer.iT001_COMPANYID, ref Iout);
                if (Iout > 0)
                {
                    if (Datalayer.iTM03_PRODUCTITEMID == 0)
                    {
                        Datalayer.InsertMessageBox(sPageName);
                    }
                    else
                    {
                        Datalayer.UpdateMessageBox(sPageName);
                    }
                }
                else
                {
                    if (Datalayer.iTM03_PRODUCTITEMID == 0)
                    {
                        Datalayer.DosenotInsertMessageBox(sPageName);
                    }
                    else
                    {
                        Datalayer.DosenotUpdateMessageBox(sPageName);
                    }
                }

                ResetData();
            }
            catch (Exception ex)
            {
                Datalayer.WorningMessageBox(ex.Message.ToString(), "Error");
            }
        }