>Sorry, Einar ... I had to leave for lunch, right in the middle of our discussion!! In my last post, I was going to mention something similar along these lines, but didn't have time to post it before getting dragged off to lunch.

Lunch is very important <s>

>In SelectedIndexChanged event handlers, I always bracket my code in an "if (this.MyControl.SelectedIndex > -1)", which would amount to the same thing (in this case anyway), of you checking for a null DataSource.

I agree it is not a bad idea to check for the obvious, because sometimes it saves you a lot of hours debugging.

>
>What's strange though, as you said, is that it didn't throw any kind of exceptions when you tried to access an Item in your collection with a -1 indexer. Weird.

Yeah very odd.

>
>But, anywho ... glad you figured it out!!

Thank you for your patience helping me figure it out.

Sincerely,
Einar