/// <summary>
/// 删除一个学生
/// </summary>
/// <param name="depname">学生所在系的名称</param>
/// <param name="classname">学生所在班级的名称</param>
/// <param name="studentname">学生的姓名</param>
/// <returns>成功：true；失败：false</returns>
internal bool DelStudent(string depname, string classname, string studentID)
{
Department depobj = FindDepartmentByName(depname);
if (depobj == null)
{
return(false); //没有找到系对象，返回
}
clsClass clsobj = depobj.FindClassByName(classname);
if (clsobj == null)
{
return(false); //没有找到班对象，返回
}
Student stuobj = clsobj.FindStudentByID(studentID);
if (stuobj == null)
{
return(false);
}
return(DelStudent(depname, classname, stuobj));
}
/// <summary>
/// 根据学生的ID查找学生对象
/// </summary>
/// <param name="cls">学生所在的班级</param>
/// <param name="ID">学生的ID</param>
/// <returns>成功：学生对象；失败：null</returns>
internal Student FindStudentByID(clsClass cls, string ID)
{
return(cls.FindStudentByID(ID));
}
