Angular 1.x or Angular 2.0

Jun 9 2017 8:41 AM

Hi Currently I am working on ASP.net MVC .C#, SQLserver now I am interested in learning new client side technologies like angular js but i am confusion which one i have to learn Angular1.x or Angular2.0 , please suggest that will clear my confusion

and also most of the companies are using which one? Angular1.x or Angular 2