Integration of google with asp.net application

These can be helpful to you...

 

https://www.aspsnippets.com/Articles/Login-with-Google-in-ASPNet.aspx

 

http://www.thedevelopertips.com/DotNet/Google/Login-Using-GoogleAccount.aspx?id=92

 

https://docs.microsoft.com/en-us/aspnet/mvc/overview/security/create-an-aspnet-mvc-5-app-with-facebook-and-google-oauth2-and-openid-sign-on