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"Unable to set value of the property 'control'" while adding Radtabstrip in Ajaxmanager

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TabStrip

This is a migrated thread and some comments may be shown as answers.

Soumya asked on 02 Aug 2012, 10:24 AM

I am using Tabstrip control in my aspx page with multipage view as given below.I am moving to next tab on click of a button.But while giving the RadTabStrip1 & RadMultiPage1 in the AjaxUpdatedControl,I am getting the blow error: "Microsoft JScript runtime error: Unable to set value of the property 'control': object is null or undefined".

aspx:Included only the relevant parts of my markup as it is lengthy.

<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" OnAjaxRequest="RadAjaxManager1_AjaxRequest">

<AjaxSettings>

<telerik:AjaxSetting AjaxControlID="RadTabStrip1">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="RadTabStrip1" />

<telerik:AjaxUpdatedControl ControlID="RadMultiPage1" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="RadMultiPage1">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="RadTabStrip1" />

<telerik:AjaxUpdatedControl ControlID="RadMultiPage1" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="RbNextP">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="RbNextP" />

<telerik:AjaxUpdatedControl ControlID="lbltitle" />

<telerik:AjaxUpdatedControl ControlID="lblname" />

<telerik:AjaxUpdatedControl ControlID="lbldob" />

<telerik:AjaxUpdatedControl ControlID="lblAge" />

<telerik:AjaxUpdatedControl ControlID="lblfile" />

<telerik:AjaxUpdatedControl ControlID="lblnation" />

<telerik:AjaxUpdatedControl ControlID="RadTabStrip1" />

<telerik:AjaxUpdatedControl ControlID="RadMultiPage1" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="RadAjaxManager1">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="RCNationality" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="BirthDate">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="lbldob" />

<telerik:AjaxUpdatedControl ControlID="RTYear" />

<telerik:AjaxUpdatedControl ControlID="RTMonths" />

<telerik:AjaxUpdatedControl ControlID="RTDays" />

<telerik:AjaxUpdatedControl ControlID="lblAge" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="RTYear">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="BirthDate" />

<telerik:AjaxUpdatedControl ControlID="lbldob" />

<telerik:AjaxUpdatedControl ControlID="RTYear" />

<telerik:AjaxUpdatedControl ControlID="lblAge" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="rbSave">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="rbSave" />

<telerik:AjaxUpdatedControl ControlID="Message" />

<telerik:AjaxUpdatedControl ControlID="lblRegnumber" />

<telerik:AjaxUpdatedControl ControlID="LblRegnNo" />

<telerik:AjaxUpdatedControl ControlID="lbltitle" />

<telerik:AjaxUpdatedControl ControlID="lblname" />

<telerik:AjaxUpdatedControl ControlID="lbldob" />

<telerik:AjaxUpdatedControl ControlID="lblAge" />

<telerik:AjaxUpdatedControl ControlID="lblfile" />

<telerik:AjaxUpdatedControl ControlID="lblnation" />

<telerik:AjaxUpdatedControl ControlID="lblmobile" />

<%--<telerik:AjaxUpdatedControl ControlID="lblAFTime" />--%>

<telerik:AjaxUpdatedControl ControlID="lblATTime" />

<telerik:AjaxUpdatedControl ControlID="lblTimeComp" />

</UpdatedControls>

</telerik:AjaxSetting>

</AjaxSettings>

</telerik:RadAjaxManager>

<telerik:RadTabStrip ID="RadTabStrip1" runat="server" Skin="Black" MultiPageID="RadMultiPage1" Align="Center" Width="800px"

SelectedIndex="0" AutoPostBack="true" >

<Tabs>

<telerik:RadTab Text="Personal Details" runat="server" PageViewID="PageView1" Selected="true">

</telerik:RadTab>

<telerik:RadTab Text="Contact Details" runat="server" PageViewID="PageView2" >

</telerik:RadTab>

<telerik:RadTab Text="Doctor Details" runat="server" PageViewID="PageView3" >

</telerik:RadTab>

<telerik:RadTab Text="Health Info" runat="server" PageViewID="PageView4" >

</telerik:RadTab>

<telerik:RadTab Text="Kin Details" runat="server" PageViewID="PageView5" >

</telerik:RadTab>

<telerik:RadTab Text="Insurance Details" runat="server" PageViewID="PageView6" >

</telerik:RadTab>

</Tabs>

</telerik:RadTabStrip>

<telerik:RadMultiPage id="RadMultiPage1" runat="server" SelectedIndex="0" Width="800px" BackColor="BurlyWood" BorderStyle="Ridge" RenderSelectedPageOnly="true" >

<telerik:RadPageView id="PageView1" runat="server">

//rest of the code

<telerik:RadButton ID="RbNextP" runat="server" Text="Next" Skin="WebBlue" OnClick="P_nextButton_Click" >

<Icon SecondaryIconCssClass="rbNext" SecondaryIconRight="4" SecondaryIconTop="6" />

</telerik:RadButton>

Code behind:

protected void P_nextButton_Click(object sender, EventArgs e)

{

RadTabStrip1.SelectedIndex = 1;

RadMultiPage1.SelectedIndex = 1;

}

Found same issues discussed in the forum earlier.but couldnt get an answer from it.
Please help me on it.
Thanks,
Soumya

2 Answers, 1 is accepted

answered on 06 Aug 2012, 12:14 PM

sample.zip

Hi Soumya,

I have tried to reproduce the error you experience, but to no avail. I'm sending you the code i tested at my end, which works perfectly fine. Please find the attachment.

Does the attached project work at your side? If yes - could you please modify it so we can see the problem locally?

Kind regards,
Nencho
the Telerik team

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