public ActionResult Create(Student aStudent,Course aCourse,DateTime date)
{
Create();
if (aStudent.StudentId == 0 || aCourse.CourseId == 0)
{
ViewBag.ErrorMessage = "All fields are required.";
return View();
}
Enrollment enrollment = new Enrollment();
enrollment.StudentId = aStudent.StudentId;
enrollment.CourseId = aCourse.CourseId;
enrollment.Date = date;
Student student = (db.Students.Where(s => s.StudentId == aStudent.StudentId)).Single();
Course course = db.Courses.Single(c => c.CourseId == aCourse.CourseId);
bool check = db.Enrollments.Count(c => c.StudentId == aStudent.StudentId && c.CourseId == aCourse.CourseId) == 0;
if (check)
{
db.Enrollments.Add(enrollment);
db.SaveChanges();
ViewBag.Message = course.Code + " has assigned for " + student.RegNo;
return View(enrollment);
}
enrollment.Student = student;
enrollment.Course = course;
ViewBag.ErrorMessage = student.RegNo+" has already enrolled for "+course.Code;
return View(enrollment);
}
public ActionResult Create(Student student)
{
ViewBag.DepartmentId = new SelectList(db.Departments, "DepartmentId", "Code", student.DepartmentId);
if (ModelState.IsValid)
{
int count = db.Students.Count(s => s.DepartmentId == student.DepartmentId & s.Date.Year == student.Date.Year);
//student.RegNo = "OOP0140" + (count+1);
Department department = db.Departments.Find(student.DepartmentId);
student.RegNo = department.Code + DateTime.Now.Year + (count + 1).ToString("D3");
db.Students.Add(student);
db.SaveChanges();
ViewBag.Message = student.Name + "'s registration number is " + student.RegNo;
return View();
}
return View(student);
}
public ActionResult Edit(Student student)
{
if (ModelState.IsValid)
{
db.Entry(student).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Index");
}
ViewBag.DepartmentId = new SelectList(db.Departments, "DepartmentId", "Code", student.DepartmentId);
return View(student);
}