public void Reset()
{
switch (_index)
{
case 1:
_reader.Reset();
break;
case 2:
_nv.Reset();
break;
case 3:
_row.Reset();
break;
case 4:
_dataSet.Reset();
break;
case 5:
_enumerator.Reset();
break;
case 6:
_pair.Reset();
break;
case 7:
_property.Reset();
break;
default:
throw new NotSupportedException();
}
}
