摘要：
写的一个XML操作类，包括读取/插入/修改/删除。usingSystem;usingSystem.Data;usingSystem.Configuration;usingSystem.Web;usingSystem.Web.Security;usingSystem.Web.UI;usingSystem.Web.UI.WebControls;usingSystem.Web.UI.WebControls.WebParts;usingSystem.Web.UI.HtmlControls;usingSystem.Xml;namespacePuTianCheng{///<summary>// 阅读全文
