Ok, I couldn't find this in the forums... Maybe I'm just blind.. but here goes.
Page has a bit of variety of controls. Textboxes, checkboxlists, modalpopupextender, hidden fields, updatepanels, etc.
Using .NET framework 3.5 and the code behinds are C#.
The form allows input of an ID # which has an onchange event that is then tied to the trigger of a updatepanel that basically looks up the id # and returns the string value from the DB (Sql 2005).
This works flawlessly on its own. The event fires, the panel updates (async) and the output is as expected.
All controls on the page have validation controls. Mostly the are just requiredfieldvalidator's along with some maskeditextender's...
Again, this all works perfectly.
The problem is the combination of the two. If I attempt to submit my form and the client side validators return an invalid state (using the msgbox popup to display the errors [p ...
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