Using 4.0.30319 of the toolkit, the Window's phone 8 browser will not work with the masked edit extender. When entering text or dates, the text that you type in is placed in front of the mask text or behind it. You can reproduce the issue by trying out the control on the tookit demo site using the windows mobile browser.
Comments: We will check it while working on future releases. Thank you for your comments!
Comments: We will check it while working on future releases. Thank you for your comments!