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WPF: UI Refresh problem with Tab control.

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Hi all,

I am developing a WPF application in which user is expected to enter data in different tabviews.

Each tabview contains a couple of textboxes, whose text property is validated when the user clicks on a button below the tab control.

I do show a validation error (*) if entered text is invalid. 

However, when the user switches to another tab, the validation error template goes off !!!

I do not have any binding errors.

What might be the problem? 


Regards, Shrishail.


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