Backend folder contains, crudApi solution that gives 4 end points. UI folder has a react application, that consumes the api provided by CrudApi sln in the backend/CrudApi directory. .
prerequisite a. .NET Core 3.1 b. Node js c. Sql Server
Make sure: 1.to change connection string inside appsetting.json in backend/crudApi directory. 2.that cors is enabled for your react app. I have enabled cors policy for localhost:3000, localhost:3001. But if your react application is running on any different port, then either change port in react app or add your port in the corspolicy defined in startup.cs in backend/CrudApi directory.