public Attendance AttendaceByStudentAndCourseID(int sid, int cid)
{
Attendance people = ctx.Attendance.Where(x => x.StudentID == sid && x.CourseID == cid).FirstOrDefault();
return(people);
}
public void RemoveAttendance(Attendance attendance)
{
ctx.Attendance.Attach(attendance);
ctx.Attendance.Remove(attendance);
ctx.SaveChanges();
}
public void UpdateAttendance(Attendance attendance)
{
ctx.Entry(attendance).State = EntityState.Modified;
ctx.SaveChanges();
}
public void InsertAttendance(Attendance attendance)
{
ctx.Attendance.Add(attendance);
ctx.SaveChanges();
}
