模块化的时候需要用到：
???????#region asp.net解析用户控件 ???????/// <summary> ???????/// asp.net 解析用户控件 ???????/// </summary> ???????/// <param name="virtualPath">控件文件的虚拟路径。</param> ???????/// <returns></returns> ???????public string RenderControl(string virtualPath) ???????{ ???????????string html = string.Empty; ???????????//独立的用户控件是不能解析的 所以需要添加到页面上 ???????????Page page = new Page();//创建一个Page对象 ???????????UserControl ctrl = (UserControl)page.LoadControl(virtualPath); ???????????StringWriter output = new StringWriter(); ???????????using (var sw = new System.Web.UI.HtmlTextWriter(output)) ???????????{ ???????????????page.Controls.Add(ctrl);//添加用户控件到页面，独立的控件是不能解析的 ????????????????page.RenderControl(sw);//解析控件 ????????????????html = sw.InnerWriter.ToString();//输出解析内容 ????????????} ???????????output.Dispose(); ???????????return html; ???????} ???????#endregion
asp.net动态解析用户控件(UserControl)
原文地址：http://www.cnblogs.com/LoveTX/p/7719487.html