public void AddMark(AddMarkBm bind, int id)
{
Mark mark = new Mark();
Student student = this.Context.Students.FirstOrDefault(s => s.Id == id);
mark.Student = student;
Subject subject = this.Context.Subjects.FirstOrDefault(s => s.Name == bind.SubjectName);
mark.Subject = subject;
mark.Value = bind.Value;
this.Context.Marks.Add(mark);
this.Context.SaveChanges();
}
public bool IsSubjectNameExists(AddMarkBm bind)
{
if (bind.SubjectName == null)
{
return(true);
}
Subject subject = this.Context.Subjects.FirstOrDefault(s => s.Name == bind.SubjectName);
if (subject == null)
{
return(false);
}
return(true);
}
public ActionResult AddMark(AddMarkBm bind, int id)
{
if (!this.service.IsSubjectNameExists(bind))
{
this.ModelState.AddModelError("SubjectName", "Subject must exist in School diary");
}
if (!this.service.IsStudentExists(id))
{
this.ModelState.AddModelError("Student", "Student must exist in School diary");
}
if (this.ModelState.IsValid)
{
this.service.AddMark(bind, id);
return(RedirectToAction("StudentMarks", "SchoolDiary"));
}
return(this.View());
}
