>>Ha! At least I'm not the only one. I was having EXACTLY this same problem :) In fact, just a couple of messages below yours is mine. At least now I know I'm not alone. I think I'll try some of the other suggestions here.
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>It seems that it SHOULD have worked...sure spent a lot of time on it. But the suggested fix did it for me (adding both display value and bound value to the source table for the grid, setting the bound value in code after the choice is made in the combo, and using Sparse = .T.)

Yeah, that's what I ended up doing also. It kind of bugs me since it just doesn't seem right, but I guess I have to live with it. At least it works now.