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MvcPager 分页示例 — Ajax优雅降级

本示例演示MvcPager在不支持Javascript或Javascript出错或被禁用的客户端浏览器中优雅降级为标准Url路由分页的功能。

本示例中虽然使用了Ajax分页模式,但因为未使用Html.RegisterMvcPagerScriptResource扩展方法注册MvcPager的客户端jQuery插件,所以Ajax分页功能无法正常运行,分页模式优雅降级为标准Url路由分页。

序号 文章标题 作者 文章来源
1 吴起热线微信公众号上线 Webdiyer 吴起热线
2 再到吴起观“绿海” Webdiyer 吴起热线
3 吴起:从贫困县到全国百强 Webdiyer 吴起热线
4 吴起县铁边城入围全省31个文化旅游名镇 Webdiyer 吴起热线
5 吴起特色养殖成农民致富首选 Webdiyer 吴起政府网
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View:

@model PagedList<Article>
<div id="articles">
    @Html.Partial("_Degradation",Model)
</div>

_Degradation.cshtml:

@model PagedList<article>
@Html.Partial("_ArticleTable", Model)
@Ajax.Pager(Model).Options(o=>o.SetPageIndexParameterName("id").SetPagerItemTemplate("{0}&nbsp;")).AjaxOptions(a=>a.SetUpdateTargetId("articles"))

_ArticleTable.cshtml:

@model PagedList<Article>
<table class="table table-bordered table-striped">
    <tr>
        <th class="nowrap">序号</th>
        <th>
            @Html.DisplayNameFor(model => model.Title)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.PubDate)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.Author)
        </th>
        <th>
            @Html.DisplayNameFor(model => model.Source)
        </th>
    </tr>
    @{ int i = 0;}
    @foreach (var item in Model)
    {
        <tr>
            <td>@(Model.StartItemIndex + i++)</td>
            <td>
                @Html.DisplayFor(modelItem => item.Title)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.PubDate)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Author)
            </td>
            <td>
                @Html.DisplayFor(modelItem => item.Source)
            </td>
        </tr>
    }
</table>

Model:

    public class Article
    {
        [Display(Name="文章编号")]
        public int ID { get; set; }
        [Display(Name="文章标题")]
        [MaxLength(200)]
        public string Title { get; set; }
        [Display(Name = "文章内容")]
        public string Content { get; set; }
        [Display(Name = "发布日期")]
        public DateTime PubDate { get; set; }
        [Display(Name = "作者")]
        [MaxLength(20)]
        public string Author { get; set; }
        [Display(Name = "文章来源")]
        [MaxLength(20)]
        public string Source { get; set; }
    }

Controller:

        
        public ActionResult AjaxDegradation(int id = 1)
        {
            using (var db = new DataContext())
            {
                var model = db.Articles.OrderByDescending(a => a.PubDate).ToPagedList(id, 5);
                if (Request.IsAjaxRequest())
                    return PartialView("_Degradation", model);
                return View(model);
            }
        }