MVC 4 - Handle 2 Submit buttons in one form
To handle multiple submit buttons in ASP.NET MVC framework
Automatically deserialize JSON string to .NET classes
Deserialize a JSON string to C# classes
The Anti-forgery token could not be decrypted
The solution for the exception - The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster.
Fix for - A circular reference was detected while serializing an object of type 'System.RuntimeType'
Find the solution in this article for - A circular reference was detected while serializing an object of type System.RuntimeType