Postback not working with ASP.NET Routing (Validation of viewstate MAC failed)
- by Robert
Hi. I'm using the ASP.NET 3.5 SP1 System.Web.Routing with classic WebForms, as described in http://chriscavanagh.wordpress.com/2008/04/25/systemwebrouting-with-webforms-sample/
All works fine, I have custom SEO urls and even the postback works. But there is a case where the postback always fails and I get a:
Validation of viewstate MAC failed. If…