ASP.NET MVC – How to Preserve ModelState Errors Across RedirectToAction?

I had to solve this problem today myself, and came across this question. Some of the answers are useful (using TempData), but don’t really answer the question at hand. The best advice I found was on this blog post: http://www.jefclaes.be/2012/06/persisting-model-state-when-using-prg.html Basically, use TempData to save and restore the ModelState object. However, it’s a lot cleaner … Read more