public void UpdateCourseGrade(CourseGrade courseGrade)
 {
     throw new System.NotImplementedException();
 }
 /// <summary>
 /// Gets a courseGrade instance through a parameter of this function and if it isn't null persist it to the database.
 /// </summary>
 /// <param name="userInfo">Instance of a courseGrade</param>
 public void AddCourseGrade(CourseGrade courseGrade)
 {
     if (courseGrade != null)
     {
         GameSchoolEntities.CourseGrades.AddObject(courseGrade);
         Save();
     }
     throw new System.NotImplementedException();
 }