private void RadPathButton_Click(object sender, RoutedEventArgs e)
        {
            //for (int i = 0; i < AccDocumentHeaderRadGridView.SelectedItems.Count; i++)
            //{
            //_uow.AccDocumentHeaders.Remove((AccDocumentHeader)AccDocumentHeaderRadGridView.SelectedItems[i]);

            //}

            // _uow.AccDocumentHeaders.Remove((AccDocumentHeader)AccDocumentHeaderRadGridView.SelectedItem);

            AccDocumentAccDocumentHeaderDataForm.DeleteItem();
            var r = _uow.SaveChanges();
        }
 private void accDocumentHeaderDataGrid_AddingNewDataItem(object sender, Telerik.Windows.Controls.GridView.GridViewAddingNewEventArgs e)
 {
     //_uow.AccDocumentHeaders.Add((AccDocumentHeader)e.NewObject);
     AccDocumentAccDocumentHeaderDataForm.AddNewItem();
 }