public Student SelectStudentByNum(string Num) { string sql = "select * from student where Num='" + Num + "'"; Student stu = facade.QueryFirst <Student>(sql, null); return(stu); }
public Teacher SelectTeacherByNum(string Num) { string sql = "select * from teacher where Num='" + Num + "'"; Teacher tch = facade.QueryFirst <Teacher>(sql, null); return(tch); }