AssocSelf.Controllers.EmployeesController.EditDirectReports C# (CSharp) Метод

        public ActionResult EditDirectReports(int? id)
        {
            // Attempt to fetch the matching object
            var o = m.EmployeeGetByIdWIthOrgInfo(id.GetValueOrDefault());

            if (o == null)
            {
                return HttpNotFound();
            }
            else
            {
                // Create a form, based on the fetched matching object
                var form = AutoMapper.Mapper.Map<EmployeeEditDirectReportsForm>(o);

                // Fetch the employees into a temporary collection
                // Logically, an employee cannot select "self" as a direct report
                // Therefore, we will remove the employee-being-edited from the collection
                // We must use a concrete collection type, to be able to use the Remove() method
                List<EmployeeBase> employees = m.EmployeeGetAll().ToList();
                var thisEmployee = employees.SingleOrDefault(e => e.EmployeeId == o.EmployeeId);
                employees.Remove(thisEmployee);

                // For the multi select list, configure the "selected" items
                // Notice the use of the Select() method, 
                // which allows us to select/return/use only some properties from the source
                var selectedValues = o.Employee1.Select(e => e.EmployeeId);

                // Send the current direct reports, to display them on the form
                form.DirectReports = o.Employee1.OrderBy(e => e.LastName).ThenBy(e => e.FirstName);

                // For clarity, use the named parameter feature of C#
                form.EmployeeList = new MultiSelectList
                    (items: employees,
                    dataValueField: "EmployeeId",
                    dataTextField: "FullName",
                    selectedValues: selectedValues);

                return View(form);
            }
        }