ASP.Net Core MVC: Check Email Availability (Exists) in Database using AngularJS

Here Mudassar Khan has explained with an example, how to check Email Address availability i.e. check whether Email Address exists in database or not using AngularJS and Entity Framework in ASP.Net Core MVC. This article will illustrate how to check Email Address availability in database on Registration Form by making AJAX call to database using AngularJS and Entity Framework in ASP.Net Core MVC.