Hello,
When you add RadTabs and RadPageView's dynamically to the RadTabStrip and the RadMultiPage respectively, they do not need to be recreated on every postback. So you can put the logic responsible for adding them in a if (!IsPostBack) statement, for example:
However, the code for adding the user control is outside the if statement, because unlike Tabs and PageViews when you add user controls dynamically they must be recreated on every postback.
Regards,
Ivan Danchev
Telerik
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