How to solve the problem that there is no type or namespace name Optimization in SystemWeb

In this issue, the editor will bring you about how to solve the problem that there is no type or namespace name Optimization in SystemWeb. The article is rich in content and analyzes and describes it from a professional point of view. I hope you can get something after reading this article.

After the mvc4 project runs, the browse page suddenly prompts that the type or namespace name "Optimization" does not exist in the namespace "System.Web" (is the assembly reference missing?)

It turns out that the problem actually occurred in the configuration of the Web.config file under the view folder.

Solution:

Just get rid of it.

The above is how to solve the problem that there is no type or namespace name Optimization in SystemWeb. If you happen to have similar doubts, please refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.