public static DataTable JoinQuery(string fields, string mtable, string stable, string on, string where = "", string order = "", SqlParameter[] sp = null) { PageSetting setting = new PageSetting(); setting.fields = fields; setting.t1 = mtable; setting.t2 = stable; setting.on = on; setting.where = where; setting.order = order; setting.sp = sp; return(DB.JoinQuery(setting)); }