Hi
I'm hoping that someone can help me, this is driving me crazy.
I have a number of bound comboboxes on a form, and I'm using the first one to filter the data for the others. The first combo seems to bind properly, it displays the correct value, but when I try to use the selectedvalue to filter the data for the other combos I get a NullValueException. All the other combos in the app behave correctly. I've checked the DataSource, DisplayMember, ValueMember SelectedValue properties and all look ok. And I've checked that all the bound fields are int.
Any suggestions would be greatly appreciated.
Thanks
Maybe time for a 3rd party combo!
Thanks Brian
[Resolved]
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