public virtual void AddStudentCoursesBySp(int stdId, List <int> Courses)
{
foreach (var courseId in Courses)
{
StudentCourse studentCourseObj = new StudentCourse();
studentCourseObj.StudentId = stdId;
studentCourseObj.CourseId = courseId;
using (var context = new SchoolContext())
{
context.AddStudentCourseUsingSp(studentCourseObj);
context.SaveChanges();
}
}
}