ASP.NET：获取标记为的.ascx [英] ASP.NET: Getting markup for .ascx

问题描述

比方说，我有一个一个的.ascx用户控件。我如何获得它的HTML标记为一个字符串？

Let's say I have an a .ascx user control. How do I get its HTML markup into a string?

推荐答案

在您使用LoadControl（）方法得到它变成一个页面，你可以可以通过调用它的渲染（）方法获取HTML。它需要的HtmlTextWriter写，但它是相当简单的构造：

Once you use the LoadControl() method to get it into a page, you can can get the HTML by calling the Render() method on it. It requires an HtmlTextWriter to write to, but it's fairly straightforward to construct:

var userControl = (userControlType)Page.LoadControl( ....ascx);
StringBuilder sb = new StringBuilder();
StringWriter SW = new StringWriter(SB);
HtmlTextWriter htw = new HtmlTextWriter(new StringWriter(sb));
userControl.RenderControl(htw);

string html = sb.ToString();

如果你的页面上下文中不是，还有的等方式来做到这一点。

If you're not inside the page context, there are other ways to do it.

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