public ActionResult SearchUser(string userId) { GetRole(); var libraryData = repo.GetLibraryInfo(userId); List <BookManagement> bm = new List <BookManagement>(); foreach (var item in libraryData) { bm.Add(new BookManagement() { Id = item.Id, BookName = item.BookName, CopyId = item.CopyId, ExpireTime = item.ExpireTime, Index = item.Index, ISBN = item.ISBN, LendTime = item.LendTime, ReturnTime = item.ReturnTime, Status = item.Status, UserId = item.UserId }); } ViewBag.UserId = userId; return(PartialView("_searchUser", bm)); }