create页面类中的私有字符串成员pagehtml.

在页面事件中重写PreRenderComplete并使用以下代码.

create a private string member pagehtml in your page class.

override PreRenderComplete in page event and use the following code.

StringWriter strWrt = new StringWriter();
HtmlTextWriter htmText = new HtmlTextWriter(strWrt);
base.Render(htmText);
StringBuilder html = strWrt.GetStringBuilder();
pagehtml = html.ToString();

使用时，单击保存"，将Pagehtml保存到文件.

When use click on save, save the pagehtml to a file.