static BaseBLL()
{
admins = DAL.DataFileAccess.GetAdmins();
students = DAL.DataFileAccess.GetStudents();
teachers = DAL.DataFileAccess.GetTeachers();
courses = DAL.DataFileAccess.GetCourses();
termCourses = DAL.DataFileAccess.GetTermCourses();
}
/// <summary>
/// 根据ID获取课程分类实体
/// </summary>
/// <param name="categoryid">课程分类ID</param>
/// <returns></returns>
public static Entity.CourseCategoryEntity GetCourseCategoryByID(string categoryid)
{
Entity.CourseCategoryEntity model = new CourseCategoryEntity();
DataTable dt = new DAL.CourseDAL().GetCourseCategoryByID(categoryid);
if (dt.Rows.Count > 0)
{
model.FillData(dt.Rows[0]);
}
return model;
}
/// <summary>
/// 根据ID获取章节实体
/// </summary>
/// <param name="lessonid">章节ID</param>
/// <returns></returns>
public static Entity.LessonEntity GetCourseLessonByID(string lessonid)
{
Entity.LessonEntity model = new LessonEntity();
DataTable dt = new DAL.CourseDAL().GetCourseLessonByID(lessonid);
if (dt.Rows.Count > 0)
{
model.FillData(dt.Rows[0]);
}
return model;
}
/// <summary>
/// 根据PID获取课程分类列表
/// </summary>
/// <param name="pid">上级分类ID</param>
/// <returns></returns>
public static List<Entity.CourseCategoryEntity> GetCourseCategorysByPID(string pid)
{
List<Entity.CourseCategoryEntity> list = new List<Entity.CourseCategoryEntity>();
DataTable dt = new DAL.CourseDAL().GetCourseCategorysByPID(pid);
foreach (DataRow dr in dt.Rows)
{
CourseCategoryEntity category = new CourseCategoryEntity();
category.FillData(dr);
list.Add(category);
}
return list;
}
