Telerik Imagemap issues in IE8

[Lakshmi Satish Maddela]

Hi all,

I'm using below control in the application.
Telerik controls version : 2008.2.1001.35 (for Telerik.Web.UI.dll)

I'm trying to open an image in image map editor using the telerik controls. I see below error on the screen
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Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)
Timestamp: Tue, 22 Jun 2010 15:26:48 UTC

Message: Invalid argument.
Line: 364
Char: 1
Code: 0
URI: http://deployweb27-vmh/virtualdir/ScriptResource.axd?d=WihqqjEecAvyXn5-_QocbnEzf1z_E-GzP_v5dtQ6cZfRAzpvwqzpyxaV0rtWxIicBR08FUEttZiRB1oCoINiECSdH-8vyPnUoXCPt2k6RkU1&t=ffffffffdfc5bbf0

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Investigation:
Based on some calculation, I see some negative value is assigning to a variable _45 in scriptResource.axd in the function wrapwithRoundCorners(). Just for testing purpose, I've modified to a positive value in debug window. I didn't see any issue then. If I left this with -ve value, it is throwing above said error.

Question:
I would like to know whether there are any issues with the combination of IE8 and windows7. Any inputs are appreciable to further proceed on this.


Thanks,
Mallesh.

[Rumen]

Hi Lakshmi,

RadControls for ASP.NET AJAX Version 2008.2.1001.35 is released at least an year before the official release of Internet Explorer 8 and it does not support this browser version.

We provided full support for IE8 in Q1 2009 SP1 (version 2009.1.402)  and my recommendation is to upgrade to the latest Q1 2010 SP2 (version 2010.1.519) to solve the problem.

Best regards,
Rumen
the Telerik team