February, 2016 | Just Simply Code

No OWIN context found when upgrading MVC 4 to MVC 5

22 February 2016 / 4 Comments

One of the projects I’m working on is in MVC 4. The team decides to upgrade the project to MVC 5. The process is fairly simple. Go to Nuget Package Manager and upgrade MVC to MVC 5. The project then still builds successfully but when navigating to the site, I receive the following error. … [Read more…]

Validate uploaded image file in MVC 5 HttpPostedFileBase

6 February 2016 / Leave a Comment

A client wants to implement an image upload for user profiles last week. The file is validated when users upload for the right format and size. In MVC, the uploaded file is of the class HttpPostedFileBase. My solution is create a few extension methods for the class HttpPostedFileBase. These methods validate whether file is of an image format, … [Read more…]

Another developer blog

Month: February 2016

No OWIN context found when upgrading MVC 4 to MVC 5

Validate uploaded image file in MVC 5 HttpPostedFileBase