xml文件配置新增与读取

xml文件

<?xml version="1.0" encoding="utf-8" ?>
<Config>
  <dbtype>SQL Server</dbtype>
  <connstr>server=.;uid=sa;pwd=123456;database=niunantest;</connstr>
  <genway>0</genway>
  <namespace>Niunan.Test</namespace>
  <front>test_</front>
  <output>d:\niunancode\</output>
</Config>

读取

　　　　　　　XDocument xdoc = XDocument.Load(System.Environment.CurrentDirectory + "\\appconfig.xml");

            var ad = from a in xdoc.Descendants("Config")
                     select new
                     {
                         dbtype = a.Element("dbtype").Value,
                         connstr = a.Element("connstr").Value,
                         genway = a.Element("genway").Value,
                         ns = a.Element("namespace").Value,
                         front = a.Element("front").Value,
                         output = a.Element("output").Value
                     };

写入

            　　XElement ownwe = new XElement("Config", new XElement[]{
                new XElement("dbtype",dbtype),
                        new XElement("connstr",connstr),
                        new XElement("genway",genway),
                        new XElement("namespace",ns),
                        new XElement("front",front),
                        new XElement("output",output),
                });
                ownwe.Save(System.Environment.CurrentDirectory + "\\appconfig.xml");