>I worked your code into my class and it work great. Odd how that method can convert the data types but the loading of data into a dataset cannot.
>
>Thanks.

Yes, it amazed me too thinking how could the team who wrote SqlBulkCopy class failed to realize "UniqueIdentifier" is a common SQL type. I classified that as a bug in my book. Hopefully would be corrected in .Net 4.0:)
Cetin