private static void CreateTasks(UserManager <AspNetUser> userManager) { IdentityRepository indentityRepo = new IdentityRepository(context, userManager); var userId = indentityRepo.GetAspNetUsers.FirstOrDefault().Id; TaskListRepository taskRepo = new TaskListRepository(context); for (var i = 0; i < 100; i++) { Task task = new Task(); task.Description = "Task " + i; task.Location = new Location { LocationId = 2 }; task.Status = new Status { StatusId = 1 }; task.User = new AspNetUser { Id = userId }; taskRepo.AddTask(task); } }