AdamTibi 

A portable library for the DataAnnotations namespace. Reduced surface area matches the Silverlight SDK version of DataAnnotations, with additions of some classes. With .NET 4.6

Has two attributes to allow implementing the PRG (Post, Redirect, Get) pattern. The two attributes PreserveModelStateAttribute and RestoreModelStateAttribute will save the ModelState, in a clean way, when redirecting from one action method to another. Check the repository for more info and an... More information