С#. MVC. Paginator

Модель

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace modelsTraining2.Models
{
    public class Phone
    {
        public int Id { get; set; }
        public string Model { get; set; }
        public string Producer { get; set; }
    }
}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

namespace modelsTraining2.Models

{

public class Phone

{

public int Id { get; set; }

public string Model { get; set; }

public string Producer { get; set; }

}

Контроллер

using modelsTraining2.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace modelsTraining2.Controllers
{
    public class PaginatorController:Controller
    {
        List<Phone> phones;
        public PaginatorController()
        {
            phones = new List<Phone>();
            phones.Add(new Phone { Id = 1, Model = "Samsung Galaxy III", Producer = "Samsung" });
            phones.Add(new Phone { Id = 2, Model = "Samsung Ace II", Producer = "Samsung" });
            phones.Add(new Phone { Id = 3, Model = "HTC Hero", Producer = "HTC" });
            phones.Add(new Phone { Id = 4, Model = "HTC One S", Producer = "HTC" });
            phones.Add(new Phone { Id = 5, Model = "HTC One X", Producer = "HTC" });
            phones.Add(new Phone { Id = 6, Model = "LG Optimus 3D", Producer = "LG" });
            phones.Add(new Phone { Id = 7, Model = "Nokia N9", Producer = "Nokia" });
            phones.Add(new Phone { Id = 8, Model = "Samsung Galaxy Nexus", Producer = "Samsung" });
            phones.Add(new Phone { Id = 9, Model = "Sony Xperia X10", Producer = "SONY" });
            phones.Add(new Phone { Id = 10, Model = "Samsung Galaxy II", Producer = "Samsung" });
        }
        public ActionResult Index(int page = 1)
        {
            int pageSize = 3; // количество объектов на страницу
            IEnumerable<Phone> phonesPerPages = phones.Skip((page - 1) * pageSize).Take(pageSize);
            PageInfo pageInfo = new PageInfo { PageNumber = page, PageSize = pageSize, TotalItems = phones.Count };
            IndexViewModel ivm = new IndexViewModel { PageInfo = pageInfo, Phones = phonesPerPages };
            return View(ivm);
        }
    }

}

using modelsTraining2.Models;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Mvc;

namespace modelsTraining2.Controllers

{

public class PaginatorController:Controller

{

List<Phone> phones;

public PaginatorController()

{

phones = new List<Phone>();

phones.Add(new Phone { Id = 1, Model = "Samsung Galaxy III", Producer = "Samsung" });

phones.Add(new Phone { Id = 2, Model = "Samsung Ace II", Producer = "Samsung" });

phones.Add(new Phone { Id = 3, Model = "HTC Hero", Producer = "HTC" });

phones.Add(new Phone { Id = 4, Model = "HTC One S", Producer = "HTC" });

phones.Add(new Phone { Id = 5, Model = "HTC One X", Producer = "HTC" });

phones.Add(new Phone { Id = 6, Model = "LG Optimus 3D", Producer = "LG" });

phones.Add(new Phone { Id = 7, Model = "Nokia N9", Producer = "Nokia" });

phones.Add(new Phone { Id = 8, Model = "Samsung Galaxy Nexus", Producer = "Samsung" });

phones.Add(new Phone { Id = 9, Model = "Sony Xperia X10", Producer = "SONY" });

phones.Add(new Phone { Id = 10, Model = "Samsung Galaxy II", Producer = "Samsung" });

}

public ActionResult Index(int page = 1)

{

int pageSize = 3; // количество объектов на страницу

IEnumerable<Phone> phonesPerPages = phones.Skip((page - 1) * pageSize).Take(pageSize);

PageInfo pageInfo = new PageInfo { PageNumber = page, PageSize = pageSize, TotalItems = phones.Count };

IndexViewModel ivm = new IndexViewModel { PageInfo = pageInfo, Phones = phonesPerPages };

return View(ivm);

}

Хэлпер

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace modelsTraining2.Models
{
    using modelsTraining2.Models;
    using System.Text;
    using System.Web;
    using System.Web.Mvc;
    //.............................
    public static class PagingHelpers
    {
        public static MvcHtmlString PageLinks(this HtmlHelper html,
            PageInfo pageInfo, Func<int, string> pageUrl)
        {
            StringBuilder result = new StringBuilder();
            for (int i = 1; i <= pageInfo.TotalPages; i++)
            {
                TagBuilder tag = new TagBuilder("a");
                tag.MergeAttribute("href", pageUrl(i));
                tag.InnerHtml = i.ToString();
                // если текущая страница, то выделяем ее,
                // например, добавляя класс
                if (i == pageInfo.PageNumber)
                {
                    tag.AddCssClass("selected");
                    tag.AddCssClass("btn-primary");
                }
                tag.AddCssClass("btn btn-default");
                result.Append(tag.ToString());
            }
            return MvcHtmlString.Create(result.ToString());
        }
    }
}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

namespace modelsTraining2.Models

{

using modelsTraining2.Models;

using System.Text;

using System.Web;

using System.Web.Mvc;

//.............................

public static class PagingHelpers

{

public static MvcHtmlString PageLinks(this HtmlHelper html,

PageInfo pageInfo, Func<int, string> pageUrl)

{

StringBuilder result = new StringBuilder();

for (int i = 1; i <= pageInfo.TotalPages; i++)

{

TagBuilder tag = new TagBuilder("a");

tag.MergeAttribute("href", pageUrl(i));

tag.InnerHtml = i.ToString();

// если текущая страница, то выделяем ее,

// например, добавляя класс

if (i == pageInfo.PageNumber)

{

tag.AddCssClass("selected");

tag.AddCssClass("btn-primary");

}

tag.AddCssClass("btn btn-default");

result.Append(tag.ToString());

}

return MvcHtmlString.Create(result.ToString());

}

Представление

@model modelsTraining2.Models.IndexViewModel
@using modelsTraining2.Models
@{
    ViewBag.Title = "Home Page";
}
<table class="table">
    <tr>
        <td>Модель</td>
        <td>Производитель</td>
    </tr>
    @foreach (var item in Model.Phones)
    {
        <tr>
            <td>@item.Model</td>
            <td>@item.Producer</td>
        </tr>
    }
</table>
<br />
<div class="btn-group">
    @Html.PageLinks(Model.PageInfo, x => Url.Action("Index", new { page = x }))
</div>

@model modelsTraining2.Models.IndexViewModel

@using modelsTraining2.Models

ViewBag.Title = "Home Page";

}

<tr>

<td>Модель</td>

<td>Производитель</td>

</tr>

@foreach (var item in Model.Phones)

{

<tr>

<td>@item.Model</td>

<td>@item.Producer</td>

</tr>

}

</table>

<br />

@Html.PageLinks(Model.PageInfo, x => Url.Action("Index", new { page = x }))

</div>

Результат

MY PROJECTS

Recent Posts

Categories