C# Pager类代码示例

        public ActionResult Index(int? countryId, PagerParameters pagerParameters)
        {

            var viewModel = new DeliverySettingsViewModel
                {
                    CountryId = countryId,
                    CountryRepository = _countryRepository
                };

            var pager = new Pager(_siteService.GetSiteSettings(), pagerParameters.Page, pagerParameters.PageSize);

            //var setting = _deliverySettingsRepository.Table.Where(s => s.DeliveryCulture == cultureUsed);
            //if (setting.FirstOrDefault() == null)
            //    {
            //        _deliverySettingService.AddSetting("Default", 0, 0, 1, cultureUsed);
            //    }


            var allCountrySettings = _deliverySettingsRepository.Table.Where(s => s.Country.Id == (countryId ?? 0));

            viewModel.DeliverySettings = allCountrySettings
                .OrderBy(a => a.State)
                .Skip(pager.GetStartIndex())
                .Take(pager.PageSize);

            var pagerShape = Shape.Pager(pager).TotalItemCount(allCountrySettings.Count());
            viewModel.Pager = pagerShape;

            return View(viewModel);
        }

        protected void Page_Load(object sender, EventArgs e)
        {
            var Data = V_Base.Data;
            int catid =  ParentLoad.CatID;

            var products = from nw in Data.CV_Products
                           join cat_ in Data.CV_CatProducts on nw.CatID equals cat_.CatID
                           where (nw.CatID==catid||catid==-1) && (cat_.PortalID==ParentLoad.PortalId)
                           orderby nw.ProductID descending
                           select nw;

            //1 . chuyen truy van thanh list

            PagedList<IB.Common.Entities.CV_Product> pl = new PagedList<IB.Common.Entities.CV_Product>(products, ParentLoad.PageCurr - 1, ParentLoad.PageSize);

            if (pl.Count > 0)
            {
                //2 . gan vao repeater

                rptproducts.DataSource = pl;
                rptproducts.DataBind();

                //3 . chuyen thanh thanh phan trang

                Pager pg = new Pager(ParentLoad.PageSize, ParentLoad.PageCurr, pl.TotalItemCount, ParentLoad.TabId);

                //4. tao thanh phan trang

                pnPaging.Text = pg.RenderHtml();
            }
        }

 //
 // GET: /News/
 public ActionResult Index(int page=1)
 {
     ViewBag.NaviCss.Current = TextileCity.Models.Navigation.News;
     int count = 0;
     if (page > 0)
     {
         NewsOperation nop = new NewsOperation();
         List<News> news = new List<News>();
         news = nop.GetMinList(page, out count);
         Pager pager =new Pager(page,count,NewsOperation.NewsListSize);
         ViewData["News"] = news;
         if (count > NewsOperation.NewsListSize)
         {
             if (page > 1)
             {
                 ViewData["Prev"] = page - 1;
             }
             if (page < pager.Count)
             {
                 ViewData["Next"] = page + 1;
             }
         }
     }
     return View();
 }

        //
        // GET: /Xueya/
        public ActionResult Index(int? p)
        {
            Pager pager = new Pager();
            pager.table = "CMSXueya";
            pager.strwhere = "1=1";
            pager.PageSize = 30;
            pager.PageNo = p ?? 1;
            pager.FieldKey = "XueyaId";
            pager.FiledOrder = "XueyaId Desc";
            pager = CMSService.SelectAll("Xueya", pager);

            List<XueyaDto> list = new List<XueyaDto>();
            foreach (DataRow dr in pager.EntityDataTable.Rows)
            {
                XueyaDto dto = XueyaMapping.getDTO(dr);
                list.Add(dto);

            }
            pager.Entity = list.AsQueryable();

            ViewBag.PageNo = p ?? 1;
            ViewBag.PageCount = pager.PageCount;
            ViewBag.RecordCount = pager.Amount;
            ViewBag.Message = pager.Amount;
              //  ViewBag.CustomerId = id;
            //ViewBag.CustomerName = MyService.CustomerIdToName("CustomerId=" + id);

            return View(pager.Entity);
        }

        public ActionResult Home(Models.Employee Emp,Pager pager)
        {
            var result = new List<Models.Employee>();
            string sql = string.Empty;
            using (conn)
            {
                conn.Open();
                if (Emp.id > 0)
                {
                    sql = string.Format(@"Update Employee set EmpName= '{0}',Email='{1}',Password='{2}',Role='{3}' where id={4}", Emp.EmpName, Emp.Email, Emp.Password, Emp.Role, Emp.id);
                    conn.Execute(sql);
                }
                else
                {
                    sql = "INSERT INTO Employee(EmpName,Email,Password,Role) VALUES (@EmpName,@Email,@Password,@Role)";
                    conn.Execute(sql, new { Emp.EmpName, Emp.Email, Emp.Password, Emp.Role });
                }

                string sql1 = string.Format("Select * from Employee ");
                string qrycount = string.Format(@"select count(e.id)'count' from Employee e");
                ViewBag.PagerReceived= pager;
                result = conn.Query<Models.Employee>(sql1).ToList();
                conn.Close();
            }

            return View(result);
        }

        public void Can_Build_Correct_Model_For_33_Items_With_2_Item_Per_Page_And_Max_5_Pages()
        {
            // Assemble
            var pager = new Pager(null, 2, 1, 33).Options(o => o.MaxNrOfPages(5));
            var expectedPagination = new List<PaginationLink>()
            {
                new PaginationLink { Active = false, DisplayText = "«", Url = null },
                new PaginationLink { Active = true, DisplayText = "1", PageIndex = 1, IsCurrent = true, Url = null },
                new PaginationLink { Active = true, DisplayText = "2", PageIndex = 2, Url = "/test/2"},
                new PaginationLink { Active = true, DisplayText = "3", PageIndex = 3, Url = "/test/3" },
                new PaginationLink { Active = true, DisplayText = "4", PageIndex = 4, Url = "/test/4" },
                new PaginationLink { Active = true, DisplayText = "5", PageIndex = 5, Url = "/test/5" },
                new PaginationLink { Active = true, DisplayText = "...", Url = null },
                new PaginationLink { Active = true, DisplayText = "16", PageIndex = 16, Url = "/test/16" },
                new PaginationLink { Active = true, DisplayText = "17", PageIndex = 17, Url = "/test/17" },
                new PaginationLink { Active = true, DisplayText = "»", PageIndex = 2, Url = "/test/2" }
            };

            // Act
            var result = pager.BuildPaginationModel(BuildUrl);

            // Assert
            Assert.AreEqual(expectedPagination.Count, result.PaginationLinks.Count());
            CollectionAssert.AreEqual(expectedPagination, result.PaginationLinks, new PaginationComparer());
        }

 public async Task<IEnumerable<TxtMessage>> ListMsgs(Pager pager = null, bool onlyUnread = true) {
     var uid = this.GetUserID();
     if (uid.HasValue)
         return await this.Biz.GetTxtMsg(uid.Value, pager, onlyUnread);
     else
         return Enumerable.Empty<TxtMessage>();
 }

        public ActionResult Item(int forumId, PagerParameters pagerParameters) {
            var forumPart = _forumService.Get(forumId, VersionOptions.Published);
            if (forumPart == null)
                return HttpNotFound();

            if (!_orchardServices.Authorizer.Authorize(Orchard.Core.Contents.Permissions.ViewContent, forumPart, T("Not allowed to view forum")))
                return new HttpUnauthorizedResult();

            Pager pager = new Pager(_siteService.GetSiteSettings(), pagerParameters);
            
            var threads = _threadService
                .Get(forumPart, pager.GetStartIndex(), pager.PageSize, VersionOptions.Published)
                .Select(b => _orchardServices.ContentManager.BuildDisplay(b, "Summary"));

            dynamic forum = _orchardServices.ContentManager.BuildDisplay(forumPart);

            var list = Shape.List();
            list.AddRange(threads);
            forum.Content.Add(Shape.Parts_Forums_Thread_List(ContentPart: forumPart, ContentItems: list), "5");

            var totalItemCount = forumPart.ThreadCount;
            forum.Content.Add(Shape.Pager(pager).TotalItemCount(totalItemCount), "Content:after");

            return new ShapeResult(this, forum);
        }

    protected void Page_Load(object sender, EventArgs e)
    {
        RadTreeNode parentNode = ((administrator_administrator)this.Master).Menu.FindNodeByValue(beans.JobEnum.NumericSettings.ToString());
        parentNode.Expanded = true;
        RadTreeNode childNode = parentNode.Nodes.FindNodeByValue("list");
        if (childNode != null)
            childNode.ImageUrl = "images/map_e.png";

        ISession session = (ISession)Context.Items[Constant.NHibernateSessionSign];
        this.CurrentPlayer = session.Load<Player>(Session[Constant.StaffUserSessionSign]);
        int page = 0;

        if (Request["key"] != null)
        {
            double value = 0;
            if (double.TryParse(Request["value"], out value))
                ServicesList.ConfigurationService.ChangeNumericSetting(this.CurrentPlayer, Request["key"], value, session);
        }

        if (IsPostBack)
            return;

        if (Request["p"] != null)
            int.TryParse(Request["p"], out page);
        int count = 0;

        IList<NumericConfiguration> numericConfigurations = ServicesList.ConfigurationService.GetNumericSettings(this.CurrentPlayer, page, out count, session);
        this.numericConfigurationRepeater.DataSource = numericConfigurations;
        this.numericConfigurationRepeater.DataBind();
        Pager pager = new Pager(count, page);
        this.lblPaging.Text = pager.GetInfo(Request.Url.AbsolutePath).ToString();
    }

        /// <summary>
        /// 查看班级列表
        /// </summary>
        public void ClassesList(int id)
        {
            CQGJClassesListViewData viewData = new CQGJClassesListViewData();

            passport.CQGJPassport cqgj = new CQGJ.passport.CQGJPassport();
            string OrgType = HttpContext.Session["OrgType"].ToString();

            List<Classes> TempList=null;
            if (OrgType.Equals("1"))
            {
                TempList = (from c in CQGJ.Classes
                                        select c).ToList();
            }
            if (OrgType.Equals("3"))
            {
                int OrgID = int.Parse(HttpContext.Session["OrgID"].ToString());

                TempList = (from c in CQGJ.Classes
                                        where c.Org.OrgID == OrgID select c).ToList();

            }
            //取出了所有的列表
            //下步是取出实际的列表
            viewData.ClassesList = TempList.Skip((id - 1) * 20).Take(20).ToList();

            UrlManager urlManager = new DefaultUrlManager(TempList.Count(), 20);
            Pager pager = new Pager(urlManager);
            viewData.PagerString = pager.PagerString;

            RenderView("ClassesList", viewData);
        }

 public static string PostView(this UrlHelper urlHelper, PostPart postPart, Pager pager)
 {
     if (pager.Page >= 2)
         return string.Format("{0}#{1}", ThreadView(urlHelper, postPart.ThreadPart, pager), postPart.Id);
     else
         return PostView(urlHelper, postPart);
 }

        public ActionResult Search(string tagName, PagerParameters pagerParameters)
        {
            Pager pager = new Pager(_siteService.GetSiteSettings(), pagerParameters);

            var tag = _tagService.GetTagByName(tagName);

            if (tag == null) {
                return RedirectToAction("Index");
            }

            var taggedItems = _tagService.GetTaggedContentItems(tag.Id, pager.GetStartIndex(), pager.PageSize)
                .Select(item => _contentManager.BuildDisplay(item, "Summary"));

            var list = _shapeFactory.List();
            list.AddRange(taggedItems);

            var totalItemCount = _tagService.GetTaggedContentItemCount(tag.Id);
            var viewModel = new TagsSearchViewModel {
                TagName = tag.TagName,
                List = list,
                Pager = _shapeFactory.Pager(pager).TotalItemCount(totalItemCount)
            };

            return View(viewModel);
        }

        /// <summary>
        /// 查看班级列表
        /// </summary>
        public ActionResult ClassesList(int id)
        {
            NotifyViewData viewData = new NotifyViewData();

            List<Classes> TempList = null;
            if (GetOrg().OrgType.ToString().Equals("1"))
            {
                TempList = (from c in CQGJ.Classes
                            select c).ToList();
            }
            if (GetOrg().OrgType.ToString().Equals("3"))
            {
                int OrgID = GetOrg().OrgID;

                TempList = (from c in CQGJ.Classes
                            where c.Org.OrgID == OrgID
                            select c).ToList();

            }
            //取出了所有的列表
            //下步是取出实际的列表
            viewData.ClassesList = TempList.Skip((id - 1) * 20).Take(20).ToList();

            UrlManager urlManager = new DefaultUrlManager(TempList.Count(), 20);
            Pager pager = new Pager(urlManager);
            viewData.PagerString = pager.PagerString;

            return View("ClassesList", viewData);
        }

 public void Initialize()
 {
     int page;
     int rowsPerPage;
     int.TryParse(Query("page"), out page);
     int.TryParse(Query("count"), out rowsPerPage);
     if (page == 0)
     {
         page = 1;
     }
     if (rowsPerPage == 0)
     {
         rowsPerPage = 10;
     }
     this.RowsPerPage = rowsPerPage;
     this.Page = page;
     using (var connection = this.Storage.GetConnection())
     {
         this.RowCount = connection.Count();
         int skip = (Page - 1) * RowsPerPage;
         int top = RowsPerPage;
         if (skip >= this.RowCount || Page < 1)
         {
             throw new ArgumentOutOfRangeException("page");
         }
         this.Rows = connection.Get(skip, top);
     }
     this.Pager = new Pager(this.Page, this.RowsPerPage, this.RowCount);
 }

        public ActionResult Item(string TimetableSlug, PagerParameters pagerParameters) {
            Pager pager = new Pager(_siteService.GetSiteSettings(), pagerParameters);

            var correctedSlug = _TimetableSlugConstraint.FindSlug(TimetableSlug);
            if (correctedSlug == null)
                return HttpNotFound();

            var TimetablePart = _TimetableService.Get(correctedSlug);
            if (TimetablePart == null)
                return HttpNotFound();

            if (!RouteData.DataTokens.ContainsKey("ParentActionViewContext")
                && TimetablePart.Id == _routableHomePageProvider.GetHomePageId(_workContextAccessor.GetContext().CurrentSite.HomePage)) {
                return HttpNotFound();
            }
            _feedManager.Register(TimetablePart);
            var TimetableAppointments = _TimetableAppointmentService.Get(TimetablePart, pager.GetStartIndex(), pager.PageSize)
                //.Select(b => _services.ContentManager.BuildDisplay(b, "Summary"));
                .Select(b => b);

            dynamic Timetable = _services.ContentManager.BuildDisplay(TimetablePart);

            var list = Shape.List();
            list.AddRange(TimetableAppointments);
            Timetable.Content.Add(Shape.Parts_Timetables_TimetableAppointment_List(ContentItems: list), "5");

            var totalItemCount = _TimetableAppointmentService.AppointmentCount(TimetablePart);
            Timetable.Content.Add(Shape.Pager(pager).TotalItemCount(totalItemCount), "Content:after");

            return View((object)Timetable);
        }