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Blank Container on IE9

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HTMLPlaceHolder
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IzaC
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IzaC asked on 18 Jan 2012, 05:04 PM
I've been having an issue with IE9 for a few weeks. It started suddenly and no real change was made to this part of the system so I think it might be some sort of incompatibility with some latest updade, it's working fine in Chrome, IE8 and Firefox 9 (though sometimes in FF if I close and open the option it seems it gets stuck and shows a blank htmlplaceholder as well, but it eventually shows up correctly if I go to another part and reload the report).

I have a grid with a stackpanel and an htmlplaceholder, in the stackpanel I have a button for printing (invokes a javascript that is declared inside the htmlplaceholder) and an export button that saves the html content to an html file. When I click the option that loads the placeholder, it shows the stackpanel buttons and a blank placeholder (no loading messages or error messages). I checked the sourcecode and noticed that the whole generated html is in there, but it's just not being shown. If I use one of the options (print or export) all the information shows up fine, but it just won't display inside the container (or anywhere else in the screen for that matter).

Since the html is generated on runtime, can't use the SourceUrl option, only HtmlSource.

Any clue on what it might be?

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Petar Mladenov
Telerik team
answered on 23 Jan 2012, 02:32 PM
Hi IzaC,

 This might be a strange issue that we are not aware of. Since the RadHTMLPlaceholder is actually a wrapper of HTML's IFrame, I believe this issue is more like an "Iframe in IE9" problem, not control specific.
 Could you please check out these forum posts and let us know if they help you somehow?
IE9 Frame Display Issue
JavaScript in Iframe in IE9 not working
IE9 IFrame XML problem

Kind regards,
Petar Mladenov
the Telerik team

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IzaC
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answered on 23 Jan 2012, 05:24 PM
Hi Petar,

I added the IE8 meta temporarily and it looks like it worked. I did notice the issue happening once after adding it but it loaded correct after I reclicked the option. Gonna try making the other suggestions to see if this problem vanishes.

Anyway, thank you for your help.

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Petar Mladenov
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IzaC
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