Can not add New Controller in asp.net core Application

Question

User1839056048 posted

Hi,

I have an asp.net core web application and it was working fine.

suddenly it is not working fine.

if I try to add a controller there is an error

there was an error running the selected code generator

Scaffold failed

A connection attempt failed because the connected property did not properly

respond after a period of time or established connection failed because

connected host has failed to respond to 127.0.0.1:4113

how to solve this regards

Baiju

Answer 1

User1120430333 posted

I would say close the project and shutdown Visual Stuido and restart it and try it again.

Answer 2

User1839056048 posted
Already tried several times

Answer 3

User-2054057000 posted

First clean the solution then rebuild it and fix any errors you get. Then you add a controller. It should work.

Answer 4

User1839056048 posted
What are the steps for cleaning the application.
It is also.net core 2.1

Answer 5

User1120430333 posted

What are the steps for cleaning the application.
It is also.net core 2.1

There is Clean option off the Build menu option in Visual Stuido.

https://docs.microsoft.com/en-us/visualstudio/ide/building-and-cleaning-projects-and-solutions-in-visual-studio?view=vs-2019