为什么要使用ASP.NET MVC局部视图（的.ascx） [英] Why use ASP.NET MVC partial View (.ascx)

问题描述

为题说。什么是为什么我添加视图控制器的一个方法，我应该选择复选框的原因，并情景创建一个局部视图（的.ascx）？

As the topic says. What are the reasons and scenarios why I am adding a view for a controller method, that I should select the checkbox "Create a partial view (.ascx)?

推荐答案

由于@Brandon指出您使用PartialViews可重用性和可读性。

As @Brandon points out you use PartialViews for reusability and readability.

举个例子，你有交往的一个IQueryable列表中的场景。

Take for example a scenario where you have an IQueryable list of contacts.

您会对它通过列表和渲染项的局部视图循环的局部视图。

You would have a partial view which looped through the list and a partial view which rendered the items.

当你这样做的，你可以写code，使该循环局部视图来决定哪些局部视图应该呈现的接触，如果有比单一的方式重新present数据更多。

When you do it that way, you could write code that enabled the looping partial view to decide which partial view should render the contact if there are more than a single way to represent the data.

如果你再放置在共享fodler他们可以在整个应用程序中使用的部分景色。

If you then place those partial views in a shared fodler they can be used throughout the entire application.

此外，您还可以使用AJAX / jQuery的呼叫到控制器的动作。然后，该行动将返回，然后可以在屏幕上显示一个PartialView。使您的网站看起来非常光滑，当你不刷新整个页面。

Also, you can use an AJAX/jQuery call to a controllers action. That action would then return a PartialView which can then be displayed on screen. Makes your site look very slick when you don't refresh the entire page.

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