private void MainDataGrid_OnCellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
switch (TabControl.SelectedIndex)
{
case 0:
_devRepo.DevUpdate(e.Row.Item as DEVELOPER);
break;
case 1:
_gameRepo.GameUpdate(e.Row.Item as GAME);
break;
case 2:
_manRepo.ManUpdate(e.Row.Item as MANAGER);
break;
case 3:
_artRepo.ArtUpdate(e.Row.Item as ARTIST);
break;
}
}