protected virtual void OnRowUpdating (GridViewUpdateEventArgs e)
{
if (Events != null) {
GridViewUpdateEventHandler eh = (GridViewUpdateEventHandler) Events [RowUpdatingEvent];
if (eh != null) {
eh (this, e);
return;
}
}
if (!IsBoundUsingDataSourceID)
throw new HttpException (String.Format ("The GridView '{0}' fired event RowUpdating which wasn't handled.", ID));
}