关于重用PartialView以及View层次

自带数据控件@html.Action/PartialView(model)/@html.Partial

在默认访问页面中有如下代码：利用ChildActionOnly以及PartialView显示类似自带数据用户控件的作用

<div class="clear">

</div>

@Html.Action("HomePageNews","News")

<div class="clear">

</div>

@Html.Action("HomePagePolls","Poll")

-   - - - --

[ChildActionOnly]

public ActionResultHomePagePolls()

{

var polls =_pollService.GetPolls(_workContext.WorkingLanguage.Id, true,0, int.MaxValue);

// IPagedList<Poll>GetPolls(int languageId, bool loadShownOnHomePageOnly,

int pageIndex, int pageSize, boolshowHidden = false);

//只显示在Homepage，默认showHidden=false//

var model = polls.Select(x =>PreparePollModel(x)).ToList();

////内部的函数，处理Poll到PollModel的,把IpagedList<Poll>--IPagedList<PollModel>

protected PollModelPreparePollModel(Poll poll)

//

returnPartialView(model);- -- -- --- ---HomepagePolls对应HomepagePools.cshtml

}

parialView的render如下：

@model IList<PollModel>

@using Nop.Web.Framework;

@using Nop.Web.Models.Polls;

@if (Model.Count > 0)

{<div class="todays-poll-box">

<div class="todays-poll-box-block">

@foreach(var poll inModel)

{

@Html.Partial("_Poll", poll) //又继续使用了Control Template  _Poll

}

</div>

</div>

}

_Pool.cshtml的内容，从中可以看到@Html.Partial(“_Poll”,poll)这个方式不需要Controller Action的，适合最简的Control template展示。Html.Action("HomePageNews","News")是要经过Controller的。

@model PollModel

@using Nop.Web.Framework;

@using Nop.Web.Models.Polls;

<div class="poll-item">

<span class="poll-display-text">@Model.Name</span>

@if(Model.AlreadyVoted)

{ …

@Html.Raw(addToCartWarningsSb.ToString())è直接输出后台变量

@Html.Action("HomePageNews","News")->Actioni(HomepageNews)->View(Action对应的View)->Partialview(subdata)->partialview(withoutAction)-Partialview(without Action)。。。。

从逻辑假设来看，模版View可以无穷细化下去.