/// <summary>
///
/// </summary>
private void PermissionTarget_dialog_Closing(object sender, CancelRoutedEventArgs e)
{
// Retrieve relevant parameters
object[] parameters = PermissionTarget_dialog.Content as object[];
Oltp.AccountPermissionDataTable permissionsTable = parameters[1] as Oltp.AccountPermissionDataTable;
if (permissionsTable.GetChanges() == null)
{
return;
}
MessageBoxResult result = MessageBox.Show(
"Discard changes?",
"Confirm",
MessageBoxButton.OKCancel,
MessageBoxImage.Warning,
MessageBoxResult.Cancel);
e.Cancel = result == MessageBoxResult.Cancel;
}
/// <summary>
///
/// </summary>
private void PermissionTarget_dialog_ApplyingChanges(object sender, CancelRoutedEventArgs e)
{
// Retrieve relevant parameters
object[] parameters = PermissionTarget_dialog.Content as object[];
Oltp.AccountPermissionDataTable permissionsTable = parameters[1] as Oltp.AccountPermissionDataTable;
DataTable changes = permissionsTable.GetChanges();
// No changes were made, skip the apply (but don't cancel)
if (changes == null)
{
e.Skip = true;
PermissionTarget_dialog.EndApplyChanges(e);
return;
}
// Save the changes to the DB
Window.AsyncOperation(delegate()
{
using (OltpProxy proxy = new OltpProxy())
{
proxy.Service.AccountPermission_Save(changes as Oltp.AccountPermissionDataTable);
}
},
delegate(Exception ex)
{
// Failed, so cancel and display a message
MainWindow.MessageBoxError("Error while saving permissions.", ex);
e.Cancel = true;
return(false);
},
delegate()
{
permissionsTable.AcceptChanges();
PermissionTarget_dialog.EndApplyChanges(e);
});
}
