I am working to write some Selenium WebDriver scripts that work with Telerik RadEditor controls. I can successfully enter content into the RadEditor in the following way with C#:

Driver.FindElement(By.Id("Id_Of_RadEditor_Iframe")).SendKeys("Hello World!");

But I have not been able to find a way to clear the existing content of the RadEditor. If I attempt the following:


I will get this error:

OpenQA.Selenium.InvalidElementStateException: invalid element state:
Element must be user-editable in order to clear it.

Does anyone know a way to clear the existing content from the RadEditor?

P.S. Does anyone think this may be a bug in Selenium WebDriver? Since I know the IFrame is editable since I can successfully perform SendKeys(). This seems to make the error incorrect.



2 Answers 2


I have the same issue and have yet to find an answer.

As a workaround you can use a loop and:

  • Thanks for the response. Sad that we have to resort to these kind of hacks, but sometimes you have to do what you have to do.
    – Codegenic
    Commented Feb 11, 2015 at 16:05

I finally got back around to looking at this issue again as I had more of a need to make this happen. Here is the "work around" I implemented and works for me:

var targetElement = Driver.FindElement(By.Id("Id_Of_RadEditor_Iframe"));
int length = targetElement.Text.Length;

for (var i = 0; i < length; i++)

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