I was playing with Visual Studio 2012 and I created an empty ASP.Net Web Application, when I tried to add the traditional validator controls to a n
More Info on ValidationSettings:UnobtrusiveValidationMode
Specifies how ASP.NET globally enables the built-in validator controls to use unobtrusive JavaScript for client-side validation logic.
Type: UnobtrusiveValidationMode
Default value: None
Remarks: If this key value is set to "None" [default], the ASP.NET application will use the pre-4.5 behavior (JavaScript inline in the pages) for client-side validation logic. If this key value is set to "WebForms", ASP.NET uses HTML5 data-attributes and late bound JavaScript from an added script reference for client-side validation logic.
Example: