AutoMapper is an object-object mapper. to configure the auto-mapper asp.net core mvc or APIs, add ConfigureServices() method of the Service class.
After adding install-Package AutoMapper.Extensions.Microsoft.DependencyInjection -Version 8.1.1 to the default project error has been solved.
Procedure to create repository pattern ASP.net core web API get, post, patch, delete operations using Entity framework core and SQL server as database.
This issue I encountered when I tried to scaffold database tables to Entity framework core entities in a Asp.Net Core using scaffold-dbcontext.
solution for this issue was very simple & most of the issues which will occur during debugging the application or running the application in VS
The issue "HTTP Error 500.19 - Internal Server Error " is the most common error, but there is a simple ways to fix this issue in most cases.
Issue while running the Visual Studio 2019 with the project created in ASP.NET Core in C# language. The solution of this problem given here.