Option one does not really apply since the result sets are from different data engines. As for the relations: I needed to accomplish the equilivant of an outer join. I hope Microsoft implements set-based operations in whidbey or in some other fasion.
Thanks for you input.
Troy
>Troy,
>
>I know that Bonnie and others answered your question, so this might be repeat information.
>
>ADO.NET doesn't really support set-based operations on result sets (at least not in the same way VFP does). I was initially very disappointed as well to learn that you couldn't do a subsequent query against data that's been retrieved into a dataset.
>
>Your main choices are :
>
>1) retool your query to bring back the data in the format you want
>2) create a relation prior to building the grid
>3) manually build a new datatable from the 2 datasets that you brought back.
>
>Most of the time, I've taken option 2. Just out of curiosity, why specifically don't you want to use relations?
>
>Kevin
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