public int IsLogin(UserInfo us) { int ud = -1; string sql = "proc_userInfo_isLogin"; SqlParameter[] para = { new SqlParameter("@Name", us.LogName), new SqlParameter("@pwd", us.LogPwd) }; object num = DbHelper.ExecuteScalarByProc(sql, para); if (num != null) { ud = (int)num; } return(ud); }