I am not aware of this problem and you are the first to report it. Under which browser does the problem exist?
Are you able to reproduce it in any of the live demos of RadEditor for ASP.NET AJAX
and RadEditor for SharePoint demos
I would also like to add that in SharePoint scenarios it is recommended to use SPRadEditor instead of the regular RadEditor for ASP.NET AJAX. It automatically registers its dialog and spell check handlers and have a special file browser content provider written to work with the SharePoint libraries.
In order to use it, install the RadEditor for SharePoint 2010: http://www.telerik.com/help/aspnet-ajax/moss-installing_radeditor__radgrid_web_parts_on_sharepoint_2010.html
. Then in you custom web solution you can use the SPRadEditorclass
, which is defined in the Telerik.SharePoint namespace of the RadEditorSharePoint assembly. The dialog handlers will be automatically configured and the dialog will work without any additional configurations.
Here is a sample web part project with RadEditor for SharePoint 2010: RadEditorWebPart.zip
You can find more information in the following articles: Installing RadEditor & RadGrid Web Parts on SharePoint 2010
and Using the RadEditor WebPart
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