void ButtonOK1_Click(object sender, RoutedEventArgs e)
{
if (DtGrid.SelectedItems.Count > 0)
{
ObservableCollection <string> ids = new ObservableCollection <string>();
foreach (V_CUSTOMGUERDON tmp in DtGrid.SelectedItems)
{
ids.Add(tmp.CUSTOMGUERDONID);
}
client.CustomGuerdonDeleteAsync(ids);
LoadData(SAVEID);
}
}