[Solved] Javascript Error when used with splitter

[Andy]

I have a page with a header menu, left column, splitter, right column. The right column is showing different pages, dependent on menu item selections, using AJAX to change the NavigateURL in the right splitter pane.

Whenever the page in the right pane contains a ComboBox and then AJAX is used to change the right pane to a page that does not use a combobox the javascript DOM is corrupted. When the page is subsequently refreshed by pressing F5, or clicking a menu item that causes a full page postback, a javascript error is thrown in the following function of the ComboBox 'unexpected call to property or method':

_removeDropDown:function(){var b=this.get_dropDownElement().parentNode;
b.parentNode.removeChild(b);

This problem occurs in IE7 and IE8 but not Firefox.

Do you know of any workaround or fix for this problem?

[Veselin Vasilev]

Hello Andy,

We are not aware of this problem. Can you please send us a sample project so we can test it?

Sincerely yours,
Veselin Vasilev
the Telerik team

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[Andy]

Hi,

I'm not able to put together a sample project right now but I can explain to you a little more about what the problem is.

You are attaching some handlers for radcombox 'unload' events when the right splitter pane contains a radcombobox.

If the navigateurl of the right splitter is then changed, so that there is no radcombo box there any more, then when the unload event happens (by F5 or synchronous postback) a javascript error is thrown because there is no radcombox in the right-hand frame to unload.

Whenever, the navigate URL of the right splitter is changed it seems like you ought to detach the combobox 'unload' event handlers.

I am not sure why your unload handlers don't trigger when the navigate url is changed. Only a full postback or F5 triggers the handler to run.

Only affects IE browsers, as far as I can tell.

Andy

[Simon]

Hi Andy,

Thank you for the additional info.

I tried reproducing the issue (with the latest version of Telerik.Web.UI) by creating a test case from your description without success.

Please see the attached pages. Am I missing something? If so, can you guide me how to modify the pages in order to reproduce the issue?

Sincerely yours,
Simon
the Telerik team

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