Archives

• Index is not an attribute class – Error while migrating from ASP.Net MVC 5 to .Net Core

  Monday, October 19, 2020

  ASP.Net ASP.Net Core 3.1 .Net Core Entity Framework Core MVC Migration .Net Microsoft ASP.Net Core

  55 Comments

  Recently one of my friends was migrating a project from ASP.Net MVC 5 to ASP.Net core 3.1. One of the challenges he faced is with the Index Attribute in data annotations. The .Net Core is not recognizing the Index attribute. When he copied his class from his MVC 5 project, he got the following error message.

  Read more...