c#操作XML文件的通用方法

sing System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;
using System.Collections;
using System.IO;


public class XMLHealper
...{
   构造函数#region 构造函数
    public XMLHealper()
   ...{
        FilePath = XMLPath.GetXMLPath();
        OpenXML();
   }
   #endregion

   对象定义#region 对象定义

    private XmlDocument xmlDoc = new XmlDocument();
   XmlNode xmlnode;
   XmlElement xmlelem;

   #endregion

   属性定义#region 属性定义

    private string errorMess;
    public string ErrorMess
    ...{
        get ...{ return errorMess; }
        set ...{ errorMess = value; }
    }

    private string filePath;
    public string FilePath
    ...{
        set ...{ filePath = value; }
        get ...{ return filePath; }
    }

    #endregion

    加载XML文件，创建操作对象#region 加载XML文件，创建操作对象
     /**//// <summary>
    /// 加载XML文件，创建操作对象
    /// </summary>
    public void OpenXML()
    ...{
        try
        ...{
            if (!string.IsNullOrEmpty(FilePath))
            ...{
                xmlDoc.Load(filePath);
            }
            else
            ...{
                FilePath = string.Format(@"D:\\XMLExample.xml"); //默认路径
                xmlDoc.Load(filePath);
            }
        }
        catch (Exception ex)
        ...{
            ErrorMess = ex;
        }
    }
    #endregion

    创建Xml 文档#region 创建Xml 文档
    /**//// <summary>
    /// 创建一个带有根节点的Xml 文件
    /// </summary>
    /// <param name="FileName">Xml 文件名称</param>
    /// <param name="rootName">根节点名称</param>
    /// <param name="Encode">编码方式:gb2312，UTF-8 等常见的</param>
    /// <param name="DirPath">保存的目录路径</param>
    /// <returns></returns>
    public bool CreatexmlDocument(string FileName, string rootName, string Encode)
    ...{
        try
        ...{
            XmlDeclaration xmldecl;
            xmldecl = xmlDoc.CreateXmlDeclaration("1.0", Encode, null);
            xmlDoc.AppendChild(xmldecl);
            xmlelem = xmlDoc.CreateElement("", rootName, "");
            xmlDoc.AppendChild(xmlelem);
            xmlDoc.Save(FileName);
            return true;
        }
        catch (Exception e)
        ...{
            return false;
        }
    }
    #endregion

    得到数据表#region 得到数据表
    /**//// <summary>
    /// 得到数据表
    /// </summary>
    /// <returns></returns>
    public DataView GetData()
    ...{
        xmlDoc = new XmlDocument();
        DataSet ds = new DataSet();
        StringReader read = new StringReader(xmlDoc.SelectSingleNode(FilePath).OuterXml);
        ds.ReadXml(read);
        return ds.Tables[0].DefaultView;
    }
    #endregion

    读取指定节点的指定属性值#region 读取指定节点的指定属性值
    /**//// <summary>
    /// 功能:
    /// 读取指定节点的指定属性值
    /// </summary>
    /// <param name="strNode">节点名称(相对路径：//+节点名称)</param>
    /// <param name="strAttribute">此节点的属性</param>
    /// <returns></returns>
    public string GetXmlNodeValue(string strNode, string strAttribute)
    ...{
        string strReturn = "";
        try
        ...{
            //根据指定路径获取节点
            XmlNode xmlNode = xmlDoc.SelectSingleNode(strNode);
            //获取节点的属性，并循环取出需要的属性值
            XmlAttributeCollection xmlAttr = xmlNode.Attributes;

            for (int i = 0; i < xmlAttr.Count; i++)
            ...{
                if (xmlAttr.Item(i).Name == strAttribute)
                ...{
                    strReturn = xmlAttr.Item(i).Value;
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C# XML 文件