public List <MyBook> PhanTich(string searchname, string manxb, string madm, string searchby) { List <MyBook> list = new List <MyBook>(); if (searchby == "ten") { searchname = ns.GetID(ns.Decode(searchname)); list = helper.GetSearchList(searchname, long.Parse(manxb), long.Parse(madm), searchby); } if (searchby == "dm") { int mdm = int.Parse(ns.GetID(ns.Decode(madm))); list = helper.GetSearchList(searchname, long.Parse(manxb), mdm, searchby); } if (searchby == "nxb") { int mnxb = int.Parse(ns.GetID(ns.Decode(manxb))); list = helper.GetSearchList(searchname, mnxb, long.Parse(madm), searchby); } return(list); }