在代码隐藏中获取由ASP.NET控件呈现的HTML

renderControl()不工作吗?

创建控件的实例,然后对其调用renderControl()。当然,这意味着面板在用户控件中

注释示例:

StringBuilder sb = new StringBuilder(); 
StringWriter tw = new StringWriter(sb); 
HtmlTextWriter hw = new HtmlTextWriter(tw); 
ctrl.RenderControl(hw); 
var html = sb.ToString(); 

@Shiv Kumar的回答是正确的。但是你不需要 StringBuilder 为了这个。

StringWriter tw = new StringWriter(); 
HtmlTextWriter hw = new HtmlTextWriter(tw); 
ctrl.RenderControl(hw); 
var html = tw.ToString();

这也有效