Using as an example of starting the April 30 version 4.1.7.0429 version AjaxControlToolkitSampleSite.zip shifting the focus on the textbox the page is not erased the mask, the result is visible in the attached figure.
Comments: Yes.. it is creating lots of problems as the mask value __/__/____ gets posted to server side.
Comments: Yes.. it is creating lots of problems as the mask value __/__/____ gets posted to server side.