I can verify that I encounter the same problem, although from the investigation only of the application I cannot suggest a proper reason for it.
I assume that the CSS file is loaded later than the RadEditor's initialization and after the CssFiles dropdown population. If you try testing the class names, you will see that leaving aside the encountered issue with the values, the elements set with the corresponding class name are getting the correct stylization.
I can suggest two possible solutions for this issue:
- Try using the CssFiles inner tag, instead of the CssFiles.Add method;
- Try setting the CssClasses property, so that the values are hardcoded and populated correctly, no matter the CSS file loading.
For more information about this matter you can follow these materials:
If you need further assistance please get back to me with more details on the configuration of the RadEditor control.
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