读取xml文件

string filePath = string.Format(System.Web.HttpContext.Current.Server.MapPath("~/XML/PostConfig/{0}.xml"), postId);
                        
                        if (System.IO.File.Exists(filePath))
                        {
                            #region 读取xml
                            //XmlDocument xmlDoc = new XmlDocument();
                            //xmlDoc.Load(filePath);
                            //System.Xml.XmlNodeList xnl = xmlDoc.SelectSingleNode("PostConfigInfo").ChildNodes;

                            //foreach (XmlNode xn in xnl)
                            //{
                            //    XmlElement xe = (XmlElement)xn;
                            //    defaultHomeUrl = xe.GetAttribute("templateUrl").ToString();
                            //    defaultTheme = xe.GetAttribute("themeName").ToString();
                            //}
                            #endregion
｝

<PostConfigInfo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" id="0" postGuid="" postName="11" displayName="222" departmentGuid="" departmentName="">
  <ThemeTemplateInfo recordNum="UTM-201703140001" disaplyName="选项卡门户" englishName="HXProtal" themeID="4" themeLanguage="en" themeName="default" templateID="9" templateLanguage="en" templateName="Foreign.aspx" themeDisaplyName="Blue" templateUrl="Foreign" navUrl="Controls/NAV/CommonNavControl.ascx">

这种方式不可取？