>>Hi all,
>>
>>I need to verify a DataRow has valid values and thus I am checking my PK which is a Guid.
>>
>>I am doing this:
>>

>>if ((Guid)dr["Track_Id"] != null || (Guid)dr["Track_Id"] != Guid.Empty)
>>{
>>
>>}
>>

>>
>>I am getting a message "Unreachable expression code detected" on the last portion of the check.
>>
>>Is there a better way to verify a DataRow has values than this? Why would the second check be unreachable?
>>Thanks
>>Tim
>
>Why do you need to convert it to GUID? Can you just check for NullEndEmpty using String class static method?

I didn't think I was converting it to a Guid. The column is a guid, but I thought I had to cast it as it is a Guid. I know if a column is an int I have to do a int.Parse() to get that value out.
I didn't think about using the ToString() method to check its value. I was hoping there was a built in method of checking that a DataRow had values though.
Tim