Error: MVC 5 mobile modal window

Error Pup Up Dialog ASP.MVC 5

I am developing a modal window for my application.

I 'm doing all that is necessary for the display, but an error is generated at run-time.

I used two methods: data-role = " Dialog" and data-role = " Pupup " but both generate an error when running. the error referred to preventDefault ();

Error Description : 0x800a01b6 - JavaScript runtime error : Object does not support property or method " preventDefault " ==> this error is generated during the use of data-role = " pupup".

During the use of data-role = " Dialog", no event is generated.