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Js Error Microsoft JScript runtime error: 'this._windows.length' is null or not an object

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Hrushikesh Mokashi
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Hrushikesh Mokashi asked on 28 Aug 2008, 11:39 AM
Hi All,

I am opening radwindow on button click

Previously it woking finely.
But not it give me the javascript error as

Microsoft JScript runtime error: 'this._windows.length' is null or not an object

How can i sovle this error?
Thanks

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Sophy
Telerik team
answered on 28 Aug 2008, 01:11 PM
Hello Hrushikesh Mokashi,

I suggest you take a look at this forum thread which discusses a similar problem. As we are not acquainted with your exact scenario, we could not be sure what causes the issue. If the suggested forum thread cannot help you resolve the issue, please, open a support ticket and send us a test page which reproduces the problem so that we can test it on our side. For your convenience I have attached a screenshot with instructions how to open a support ticket. I would also like to ask you explain in more details what version of the Telerik.Web.UI dll you used when the problem did not exist and what is the version you use now. Is the setup of your page exactly the same as the one before the problem appears or you have made some modification?

Best wishes,
Sophy
the Telerik team

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