>>Hi everybody,
>>
>>I know that NextResult() method of the SqlDataReader will get next result. However, is there a way to find out if SqlDataReader has multiple results or not?
>>
>>In particular, I have the following code
>>
>>

>> StringBuilder result = new StringBuilder(returnMessage);
>>
>>               while (sqlDataReader.NextResult())
>>               {
>>                  result.AppendFormat("\r\n{0}", GetFormattedReturn(sqlDataReader, returnType, out recordCount));
>>               }
>>               returnMessage = result.ToString();

>>
>>However, there is no need to create a new instance of the StringBuilder if the reader has only a single result set. I did a very quick google search and didn't find a way to find out by some property if the reader has multiple results.
>>
>>Do you know if there is such a property or there is another way to handle the above efficiently?
>>
>>Thanks in advance.
>
>Use StringBuilder. The teeny tiny efficiency you think you will gain (and I don't think there will be any) is not worth adding extra code.

And StringBuilder is over 300 times faster than its predecessor.