public List <LiXinModels.CourseManage.Co_Course> GetListByAllTeacher(out int totalCount,
string where = " 1 = 1 ", int startIndex = 0,
int pageLength = int.MaxValue,
string orderBy = "ORDER BY Co_Course.id DESC")
{
return(_courseOrderDB.GetListByAllTeacher(out totalCount, where, startIndex, pageLength, orderBy));
}