Message in Russian (Русский)
TargetControl "<var>X</var>" должен реализовывать IDataSource.
Unlocalized message
TargetControl '<var>X</var>' must implement IDataSource.
Search by GoogleTargetControl "<var>X</var>" должен реализовывать IDataSource.
TargetControl '<var>X</var>' must implement IDataSource.
Search by Google