>>Joaquim,
>>You could do that this way:
>>

>> string CRefeicao = "01", CFamiliaPrato = "02";
>> string strFilter =
>>    String.Format("CRefeicao = '{0}' and CFamiliaPrato = '{1}'",
>>                  CRefeicao,
>>                  CFamiliaPrato);
>> foreach( DataRow row in Detalhe.Select( strFilter ) )
>> {
>>   row.Delete();
>> }
>>

>>Cetin

Don't you still have the problem with the indexer in this example also?