Radtabstrip not updating

I have created a template field with various controls within.When I click on edit and change the values and press update.

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I am getting an error when it tries to execute on our server.

Yet, when I run the application on my machine, it works fine.

Item Inserting ' Iterate though the values entered by the user and HTML encode ' the values.

This helps prevent malicious values from being ' stored in the data source.

Hi, I have a master page with an update panel enclosing a tabstrip.