Thank you for writing.
As Erwin has posted, it depends on when you want to "reset" the text. If you are doing it in the designer, you can use the Visual Studio property grid and set the Text property of each RadTextBox. Or you can use the Find & Replace dialog of Visual Studio to replace the text with an empty string in the form .Designer.cs file. If you want to do it at runtime, you can iterate through the controls on each page of the RadPageView, check if the control is RadTextBox and then reset the text. Here is a code snippet which demonstrates this:
((RadTextBox)control).Text = String.Empty;
I hope this will help you. If you have further questions, do not hesitate to ask.
the Telerik team
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