Output the ASP. NET page content to a string

The following is a page code-behindCodeThis function is used to filter the output content of the page. The processed content is displayed in the browser.

 

Public partial class filterdemo: system. Web. UI. Page

{

Htmltextwriter _ oldwriter = NULL;

Stringwriter _ stringwriter = new stringwriter ();

Protected override htmltextwriter createhtmltextwriter (textwriter tw)

{

_ Oldwriter = base. createhtmltextwriter (TW );

Return base. createhtmltextwriter (_ stringwriter );

}

Protected override void render (htmltextwriter writer)

{

Base. Render (writer );

String html = _ stringwriter. tostring ();

Html = html. Replace ("replace me! "," It was replaced! ");

_ Oldwriter. Write (HTML );

}

}