private void dgOrders_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e) { if (e.CommandName == "DeleteOrder") { string argsID = e.CommandArgument.ToString(); long OrderID = Convert.ToInt32(argsID); if (OrderID > 0) { PCSN.InvoiceSystem.BusinessLogicLayer.Order Order = new PCSN.InvoiceSystem.BusinessLogicLayer.Order(); Order.DeleteOrder(OrderID); lblErrorMessage.Text = "Order Deleted Successfuly."; PopulateOrders(); } } }