public ActionResult Edit(vmCourse course)
{
try
{
if (ModelState.IsValid)
{
using (CoursesManager)
{
var item = CoursesManager.GetCoursebyID(course.ID);
item.Credits = course.Credits;
item.DepartmentID = course.DepartmentID;
item.Description = course.Description;
item.InstructorID = course.InstructorID;
item.TextBookID = course.TextBookID;
item.Title = course.Title;
var success = CoursesManager.UpdateCourse(item);
if (success)
{
return(RedirectToAction("Details", new { id = item.ID }));
}
throw new DataException("Failed to save " + course.Title + ". Please try again");
}
}
}
catch (DataException ex)
{
ModelState.AddModelError("", ex.Message);
}
using (DeptManager)
{
using (InstManager)
{
using (PeopleManager)
{
using (TBManager)
{
course.Departments = DeptManager.GetAllDepartments().ToList();
var inst = InstManager.GetAllInstructors();
var people = PeopleManager.GetAllPeople();
var instr = from instructor in inst
join person in people on instructor.PersonID equals person.ID
select new KeyValuePair <int, string>(instructor.ID, string.Format("{0}, {1}", person.LastName, person.FirstMidName));
course.Instructors = instr.ToDictionary(t => t.Key, t => t.Value);
course.Textbooks = TBManager.GetAllTextbooks().ToList();
}
}
}
}
return(View(course));
}
