More info please like your property is a collection of what? Do they have
their InstanceDescriptors defined for custom types? Have you tried
debugging it at design time and see what particular line of code caused the
said exception? (try this link
http://64.78.52.104/FAQ/WinForms/FAQ_c60c.asp#q584q). And some snippets

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Joey Calisay
http://spaces.msn.com/members/joeycalisay/
> Hi!
> How can i do to persiste a collection in my WebCustom Control. Im using the
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>
> Help Me :)