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Runaway RadComboBox dropdown

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ComboBox
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John
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John asked on 18 Jun 2013, 02:50 PM
I am involved in the development of a Web-based Silverlight 5 application.  A mysterious bug has presented itself regarding the RadComboBox.  When a modal window is launched and then closed using the "X" button (top/right), the modal closes, but the dropdown from the first RadComboBox in the closed modal window appears opened in the top/left of the screen.  This doesn't happen if the "CLOSE" RadButton is clicked, nor if the RadComboBox has been opened while the modal is open.  When this does happen, clicking anywhere vanishes the runaway dropdown.

One of the developers had found a workaround to the problem--set the OpenDropDownOnFocus property to "False."  However this isn't a feasible solution as business requirements call for the RadComboBox to open upon focus.

Any clue to this behavior?  (Silverlight 5, latest Telerik controls, Windows 7 and 8, Internet Explorer)


Kindly,
John Gnotek

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John
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answered on 18 Jun 2013, 07:17 PM
Actually I've done a day's worth of sleuthing and found the issue to be a Setter Property within the WindowResources.xaml of our project.  Changing the "IsTabStop" value from false to true fixes this issue.  However it was set to false for a reason.  Any workaround suggestions?
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Konstantina
Telerik team
answered on 21 Jun 2013, 03:15 PM
Hello John,

This sounds like a strange issue. I tried to reproduce it in a sample project, but to no avail.
Attached I am sending you my test project - could you please try to reproduce it there and send it back to us? In that way we will be able to debug it here locally and track down the source of the problem in a timely manner.

Looking forward to your reply.

Regards,
Konstantina
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kanna
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answered on 26 Feb 2014, 12:21 AM
HI,

I am also having the same issue. Can you please give a suggestion to resolve the isssue.

Regards,
Kannan S
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Konstantina
Telerik team
answered on 26 Feb 2014, 02:11 PM
Hi Kannan,

Since we weren't able to reproduce the issue in order to research it further, we don't have a work-around for now. If you could modify the project to reproduce it and send it back to us, it will be very helpful for tracking down the source of the problem.

Regards,
Konstantina
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John
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answered on 26 Feb 2014, 02:23 PM
I've never been able to track down the problem either.  It still happens, very sporadically.  Never a distinct process to make it occur.
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Konstantina
Telerik team
answered on 28 Feb 2014, 09:09 AM
Hi John,

If you manage to isolate the issue, please do send us a sample project. I am afraid that without being able to reproduce the issue, it will be really hard to fix it.

Regards,
Konstantina
Telerik
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