/// <summary>
/// 由学院ID，取年级
/// </summary>
/// <param name="schoolId"></param>
/// <returns></returns>
public IEnumerable <string> GetGradeBySchoolId(Guid schoolId)
{
var grade = _repo.Find(t =>
t.School_Id == schoolId
).Select(t =>
t.Grade
).Distinct();
grade = grade.OrderByDescending(t => t);
return(grade);
}
/// <summary>
/// 取年级
/// </summary>
/// <param name="schoolId"></param>
/// <returns></returns>
public IEnumerable <string> GetGradeBySchoolId(string schoolId)
{
var id = schoolId.ConvertToGuid();
return(_classRepo.Find(t => t.School_Id == id).Select(t => t.Grade).Distinct());
}
