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Z-Order Issue with ComboBox
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This is a migrated thread and some comments may be shown as answers.
Dennis
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Dennis asked on 17 Aug 2009, 06:58 PM
I have a RadComboBox that sits in a RadToolbar that when drops down over a HTMLPlaceHolder has z-order issues - in that the HTMLPlaceHolder text is over the ComboBox dropdown text. Is this a known issue being worked on?

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Valentin.Stoychev
Telerik team
answered on 18 Aug 2009, 05:32 AM
Hi Dennis,

This is a limitation in the current version of the RadHtmlPlaceholder. It is caused by the fact that the HtmlPlaceholder control is rendered in the Html Page and sits above the whole Silverlight application. That is why it is displayed above all the Silverlight content ( popups also).

For the moment the only workaround to this will be if you hide the html placeholder when you open the combobox dropdown.

Sincerely yours,
Valentin.Stoychev
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Michael
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answered on 21 Dec 2009, 06:38 PM
is there a way to reverse the direction of the combobox dropdown?  default behavior is to drop down or up depending on how much space is available, but is there a way to force it to drop up or down?
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Rosi
Telerik team
answered on 22 Dec 2009, 09:52 AM
Hello Michael,

This is not possible with the current version of RadComboBox.
We are sorry for the inconvenience that this causes to you.

Do not hesitate to contact us again if you have any other questions or problems related to our controls.

Regards,
Rosi
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MarkBr
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answered on 01 Dec 2010, 02:34 PM
Hi,

I'm using Version 2010.2.924.1040 of the Telerik controls and have a z-order issue with the HTMLPlaceHolder control.
When i open a RadRibbonBar which overlaps a HTMLPlaceHolder control the HTMLPlaceHolder control shows over the RadRibbonBar.
Has this issues been corrected yet? Any workarounds?

Regards,
Mark.
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Tina Stancheva
Telerik team
answered on 06 Dec 2010, 10:44 AM
Hello MarkBr,

There are still no workarounds for this behavior. As Valio explained essentially the RadHtmlPlaceholder is an IFRAME element that is positioned above the Silverlight plugin and therefore we cannot control its z-order.

I hope this isn't a showstopper for you. Let us know if you need more info.

Greetings,
Tina Stancheva
the Telerik team
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MarkBr
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answered on 07 Dec 2010, 12:44 PM
Hello Tina,

It actually is a blow since we have spent quite some time to display Reporting Services Reports in our Silverlight application.
Our application is actually connecting to report server and then displaying the generated report in html format in the HtmlPlaceHolder.
Everything is working fine except that the HtmPlaceHolder is displayed above the RadRibbonBar which holds our menus.

Is there any other way to display Reporting Services Report in the silverlight application?

Regards,
Mark.
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Tina Stancheva
Telerik team
answered on 10 Dec 2010, 01:52 PM
Hello MarkBr,

You can try using the RadRichTextBox control that has HTML support. I attached two sample projects illustrating how to display Html files in the RadRichTextBox. The second application illustrates how to use the RadBook to preview html files. I hope that will help you.

Regards,
Tina Stancheva
the Telerik team
Browse the videos here>> to help you get started with RadControls for Silverlight
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Dennis
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Answers by
Valentin.Stoychev
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Michael
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Rosi
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MarkBr
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Tina Stancheva
Telerik team
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