我有任何ASP.NET控件。我想要HTML字符串如何获取控件的HTML字符串？

解决方案

回答

这似乎起作用。

public string RenderControlToHtml(Control ControlToRender)
{
    System.Text.StringBuilder sb = new System.Text.StringBuilder();
    System.IO.StringWriter stWriter = new System.IO.StringWriter(sb);
    System.Web.UI.HtmlTextWriter htmlWriter = new System.Web.UI.HtmlTextWriter(stWriter);
    ControlToRender.RenderControl(htmlWriter);
    return sb.ToString();
}

回答

如果控件是Web用户控件，则可以通过以下方法获取从另一个页面或者处理程序发出的HTML：

public void GetHtmlFromMySweetControl(HttpContext context)
{
    HttpRequest httpRequest = context.Request;
    HttpResponse httpResponse = context.Response;

    string foo = httpRequest["foo"];

    Page pageHolder = new Page();
    string path = "~/usercontrols/MySweetControl.ascx";
    MySweetControl ctrl = (MySweetControl)pageHolder.LoadControl(path);
    ctrl.BindProducts(foo);
    pageHolder.Controls.Add(ctrl);

    StringWriter sw = new StringWriter();
    context.Server.Execute(pageHolder, sw, false);
    httpResponse.Write(sw.ToString());
}