private void CloneFrom(DbDataAdapter from)
{
IDbDataAdapter pfrom = from._IDbDataAdapter;
_IDbDataAdapter.SelectCommand = CloneCommand(pfrom.SelectCommand);
_IDbDataAdapter.InsertCommand = CloneCommand(pfrom.InsertCommand);
_IDbDataAdapter.UpdateCommand = CloneCommand(pfrom.UpdateCommand);
_IDbDataAdapter.DeleteCommand = CloneCommand(pfrom.DeleteCommand);
}