protected void LoadTransferToItems(string transferDestination)
        {
            SalesCenterBLL salesCenter = new SalesCenterBLL();
            WarehouseBLL warehouse = new WarehouseBLL();

            try
            {
                if (transferDestination == "WH")
                {
                    DataTable dt = warehouse.GetActiveWarehouseList();

                    transferToDropDownList.DataSource = dt;
                    transferToDropDownList.DataValueField = "WarehouseId";
                    transferToDropDownList.DataTextField = "WarehouseName";
                    transferToDropDownList.DataBind();
                    transferToDropDownList.Items.Insert(0, "");
                }
                else if (transferDestination == "SC")
                {
                    DataTable dt = salesCenter.GetActiveSalesCenterList();

                    transferToDropDownList.DataSource = dt;
                    transferToDropDownList.DataValueField = "SalesCenterId";
                    transferToDropDownList.DataTextField = "SalesCenterName";
                    transferToDropDownList.DataBind();
                    transferToDropDownList.Items.Insert(0, "");
                }
                else
                {
                    transferToDropDownList.Items.Clear();
                }
            }
            catch (Exception ex)
            {
                msgbox.Visible = true; msgTitleLabel.Text = "Exception!!!"; msgDetailLabel.Text = ex.Message;
            }
            finally
            {
                salesCenter = null;
                warehouse = null;
            }
        }