public void UpdatePwd(string pwd)
{
string sql = string.Format("update t_user set user_psd='{0}' where " +
"user_id='{1}'", pwd, this.ID);
SQLHelp.ExcuteUpdate(sql);
}
//缺勤
public void Attentent()
{
string sql = string.Format("update t_sc set attendence_no='{0}' where stu_no='{1}'", AbsentNo + 1, StuID);
this.AbsentNo++;
SQLHelp.ExcuteUpdate(sql);
}
//添加课程
public int AddCourse(string courseName, string courseNO)
{
string sql = string.Format("insert into t_course values('{0}','{1}','{2}')", courseNO, this.ID, courseName);
return(SQLHelp.ExcuteUpdate(sql));
}
public void Update(string sql)
{
SQLHelp.ExcuteUpdate(sql);
}