/// <summary>
/// takes id and fetch list of assign credit list
/// then uses GetTotalAssignedCreditFromAssignedTeachers method to get total
/// </summary>
/// <param name="teacherId"></param>
/// <returns>total assigned credit</returns>
public int GetAssignedCreditByTeacherId(int teacherId)
{
//TeacherManager aTeacherManager = new TeacherManager();
//DepartmentManager aDepartmentManager = new DepartmentManager();
//CourseManager aCourseManager = new CourseManager();
CourseAssignGateway aCourseAssignGateway = new CourseAssignGateway();
List <int> courseIdFromAssignedTeachers = new List <int>();
courseIdFromAssignedTeachers = aCourseAssignGateway.GetAssignedCreditByTeacherId(teacherId);
int totalAssignedCredit = GetTotalAssignedCreditFromAssignedTeachers(courseIdFromAssignedTeachers);
return(totalAssignedCredit);
}