When viewed on IE9; contents of all pageviews will be shown in selected index at once.
But when tab is click; corresponding pageview will behave normally..
Note: Tabstrip is within custom control used inside RadGrid.
---- Code below ----
<telerik:RadTabStrip runat="server" ID="tabStripDetails" SelectedIndex="0" MultiPageID="radMultipage"> <Tabs> <telerik:RadTab runat="server" id="tabPersonal" PageViewID="viewPersonal" Text="Personal Details"> </telerik:RadTab> <telerik:RadTab runat="server" id="tabEducation" PageViewID="viewEducation" Text="Educational Background"> </telerik:RadTab> <telerik:RadTab runat="server" id="tabEmployment" PageViewID="viewEmployment" Text="Employment Details"> </telerik:RadTab> </Tabs> </telerik:RadTabStrip> <telerik:RadMultiPage runat="server" ID="radMultipage" SelectedIndex="0"> <telerik:RadPageView ID="viewPersonal" runat="server"> <div style="border: 1px solid #828282; margin-top: -1px; display: block; background: #ffffff"> Content #1 Goes Here </div> </telerik:RadPageView> <telerik:RadPageView ID="viewEducation" runat="server"> <div style="border: 1px solid #828282; margin-top: -1px; display: block; background: #ffffff"> Content #2 Goes Here </div> </telerik:RadPageView> <telerik:RadPageView ID="viewEmployment" runat="server"> <div style="border: 1px solid #828282; margin-top: -1px; display: block; background: #ffffff"> Content #3 Goes Here </div> </telerik:RadPageView> </telerik:RadMultiPage>