Last but not least, here comes the ResultController (most relevant lines are highlighted):
using System;using Microsoft.AspNetCore.Mvc;using Newtonsoft.Json;using TestMakerFreeWebApp.ViewModels;using System.Collections.Generic;using System.Linq;using TestMakerFreeWebApp.Data;using Mapster;namespace TestMakerFreeWebApp.Controllers{ [Route("api/[controller]")] public class ResultController : Controller { #region Private Fields private ApplicationDbContext DbContext; #endregion #region Constructor public ResultController(ApplicationDbContext context) { // Instantiate the ApplicationDbContext through DI DbContext = context; } #endregion #region RESTful conventions methods /// <summary> /// Retrieves the Result with the given ...