private void PopulateAvailableInvoices()
 {
     gridSI.ItemsSource = ClsPEZAData.GetSalesInvoiceSummaryListFromCantierForPEZA8106byCustomer(_customerid).DefaultView;
 }
 private void PopulateAvailableInvoices()
 {
     gridAvailableInvoices.ItemsSource = ClsPEZAData.GetSalesInvoiceSummaryListFromCantierForPEZA8106byCustomer(Convert.ToInt16(cboCustomer.SelectedValue.ToString().Trim())).DefaultView;
 }