public DataTable Get_Student_Info(string Id)
        {
            DAL.DataBase   dl    = new DAL.DataBase();
            SqlParameter[] param = new SqlParameter[1];
            param[0]       = new SqlParameter("@Id", SqlDbType.NVarChar, 50);
            param[0].Value = Id;
            dl.open();
            DataTable dt = new DataTable();

            dt = dl.SelectData("Get_Student_Info", param);
            return(dt);
        }
        public DataTable Search_Student(string ID)
        {
            DAL.DataBase DAl = new DAL.DataBase();
            DAl.open();
            DataTable dt = new DataTable();

            SqlParameter[] param = new SqlParameter[1];
            param[0]       = new SqlParameter("@ID", SqlDbType.NVarChar, 50);
            param[0].Value = ID;
            dt             = DAl.SelectData("Search_Student", param);
            DAl.close();
            return(dt);
        }
        public DataTable delete_cyber(string Id, bool cyber)
        {
            DAL.DataBase DAl = new DAL.DataBase();
            DAl.open();
            DataTable dt = new DataTable();

            SqlParameter[] param = new SqlParameter[2];
            param[0]       = new SqlParameter("@Id", SqlDbType.NVarChar, 50);
            param[0].Value = Id;

            param[1]       = new SqlParameter("@cyber", SqlDbType.Bit);
            param[0].Value = cyber;
            dt             = DAl.SelectData("delete_cyber", param);
            DAl.close();
            return(dt);
        }
        public DataTable Login(string Id, string Password)
        {
            DAL.DataBase   dl    = new DAL.DataBase();
            SqlParameter[] param = new SqlParameter[2];
            param[0]       = new SqlParameter("@Id", SqlDbType.NChar, 10);
            param[0].Value = Id;

            param[1]       = new SqlParameter("@Password", SqlDbType.NChar, 10);
            param[1].Value = Password;

            dl.open();
            DataTable dt = new DataTable();

            dt = dl.SelectData("SP_LOGIN", param);
            return(dt);
        }