Hi,
I have a RadTabStrip with four tabs with multipage. Inorder to ajaxify i am using radajaxmanager to avoid postback on tab change.
I am using the below code and throwing an error as Radmultipage1 is returning null value.
<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" DefaultLoadingPanelID="RadAjaxLoadingPanel1">
<AjaxSettings>
<telerik:AjaxSetting AjaxControlID="RadTabStrip1" EventName="RadTabStrip1_TabClick">
<UpdatedControls>
<telerik:AjaxUpdatedControl ControlID="RadMultiPage1" />
</UpdatedControls>
</telerik:AjaxSetting>
</AjaxSettings>
</telerik:RadAjaxManager>
<telerik:RadTabStrip ID="RadTabStrip1" runat="server" MultiPageID="RadMultiPage1"
SelectedIndex="0" OnTabClick="RadTabStrip1_TabClick">
<Tabs>
<telerik:RadTab runat="server" Text="Vehicle" PageViewID="RadPageViewVehicle">
</telerik:RadTab>
<telerik:RadTab runat="server" Text="Driver" PageViewID="RadPageViewDriver">
</telerik:RadTab>
<telerik:RadTab runat="server" Text="Premium" PageViewID="RadPageViewPremium" Selected="True">
</telerik:RadTab>
<telerik:RadTab runat="server" Text="CoverExcess" PageViewID="CoverExcess" Selected="True">
</telerik:RadTab>
</Tabs>
</telerik:RadTabStrip>
Thanks in Advance
Prathap

<telerik:RadTreeList runat="server" ID="RadTreeListUser" DataKeyNames="UserLevelPath" ParentDataKeyNames="ParentUserLevelPath" OnNeedDataSource="RadTreeListUser_NeedDataSource">
<Columns>
<telerik:TreeListBoundColumn DataField="UserName" HeaderText="User Name" UniqueName="UserName">
</telerik:TreeListBoundColumn>
<telerik:TreeListTemplateColumn UniqueName="EditItem" MinWidth="10px">
<ItemTemplate>
<asp:imagebutton id="ImageButtonEditItem" imageurl="../up.png" runat="server" onclientclick="javascript : var y = '<%#DataBinder.Eval(Container.DataItem,"UserName")%>'; alert(y) ; return false;">
</asp:imagebutton>
</ItemTemplate>
</telerik:TreeListTemplateColumn>
</Columns>
</telerik:RadTreeList>
<asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="XXXXXX"
SelectCommand="SELECT [AuthCode], ([FirstName] + [LastName]) AS [Name] FROM [Authors]
ORDER BY [LastName], [FirstName]">
</asp:SqlDataSource><telerik:GridTemplateColumn DataField="AuthCode" HeaderText="AuthCode" SortExpression="AuthCode" UniqueName="AuthCode" Visible="False"><EditItemTemplate> <telerik:RadComboBox ID="RadComboBox1" runat="server" DataSourceID="SqlDataSource2" DataTextField="Name" DataValueField="AuthCode" SelectedValue='<%# Bind("AuthCode") %>' Width="200px" AllowCustomText="True" EmptyMessage="Pick author"> </telerik:RadComboBox> </EditItemTemplate><ItemTemplate> <asp:Label ID="AuthCodeLabel" runat="server" Text='<%# Eval("AuthCode") %>'></asp:Label>
</ItemTemplate></telerik:GridTemplateColumn>
<
telerik:RadDatePicker ID="rdpDueDate" runat="server" Culture="English (United States)"
Width="90px">
<DateInput ID="DateInput1" runat="server" InvalidStyleDuration="100" TabIndex="3">
</DateInput>
<Calendar ID="Calendar1" runat="server" Style="position: absolute; padding: 0 0 0 0px;
margin: 0 0 0 0px;">
<SpecialDays>
<telerik:RadCalendarDay Repeatable="Today">
<ItemStyle CssClass="specialDay" />
</telerik:RadCalendarDay>
</SpecialDays>
</Calendar>
<DatePopupButton TabIndex="3" />
</telerik:RadDatePicker>
Any help on this will be greatly appreciated.