C# XML操作类分享

using System.Xml;using System.Data;namespace DotNet.Utilities{ /// <summary> /// Xml的操作公共类 /// </summary>  public class XmlHelper {  #region 字段定义  /// <summary>  /// XML文件的物理路径  /// </summary>  private string _filePath = string.Empty;  /// <summary>  /// Xml文档  /// </summary>  private XmlDocument _xml;  /// <summary>  /// XML的根节点  /// </summary>  private XmlElement _element;  #endregion  #region 构造方法  /// <summary>  /// 实例化XmlHelper对象  /// </summary>  /// <param name="xmlFilePath">Xml文件的相对路径</param>  public XmlHelper(string xmlFilePath)  {   //获取XML文件的绝对路径   _filePath = SysHelper.GetPath(xmlFilePath);  }  #endregion  #region 创建XML的根节点  /// <summary>  /// 创建XML的根节点  /// </summary>  private void CreateXMLElement()  {   //创建一个XML对象   _xml = new XmlDocument();   if (DirFile.IsExistFile(_filePath))   {    //加载XML文件    _xml.Load(this._filePath);   }   //为XML的根节点赋值   _element = _xml.DocumentElement;  }  #endregion  #region 获取指定XPath表达式的节点对象  /// <summary>  /// 获取指定XPath表达式的节点对象  /// </summary>    /// <param name="xPath">XPath表达式,  /// 范例1: @"Skill/First/SkillItem", 等效于 @"//Skill/First/SkillItem"  /// 范例2: @"Table[USERNAME='a']" , []表示筛选,USERNAME是Table下的一个子节点.  /// 范例3: @"ApplyPost/Item[@itemName='岗位编号']",@itemName是Item节点的属性.  /// </param>  public XmlNode GetNode(string xPath)  {   //创建XML的根节点   CreateXMLElement();   //返回XPath节点   return _element.SelectSingleNode(xPath);  }  #endregion  #region 获取指定XPath表达式节点的值  /// <summary>  /// 获取指定XPath表达式节点的值  /// </summary>  /// <param name="xPath">XPath表达式,  /// 范例1: @"Skill/First/SkillItem", 等效于 @"//Skill/First/SkillItem"  /// 范例2: @"Table[USERNAME='a']" , []表示筛选,USERNAME是Table下的一个子节点.  /// 范例3: @"ApplyPost/Item[@itemName='岗位编号']",@itemName是Item节点的属性.  /// </param>  public string GetValue(string xPath)  {   //创建XML的根节点   CreateXMLElement();   //返回XPath节点的值   return _element.SelectSingleNode(xPath).InnerText;  }  #endregion  #region 获取指定XPath表达式节点的属性值  /// <summary>  /// 获取指定XPath表达式节点的属性值  /// </summary>  /// <param name="xPath">XPath表达式,  /// 范例1: @"Skill/First/SkillItem", 等效于 @"//Skill/First/SkillItem"  /// 范例2: @"Table[USERNAME='a']" , []表示筛选,USERNAME是Table下的一个子节点.  /// 范例3: @"ApplyPost/Item[@itemName='岗位编号']",@itemName是Item节点的属性.  /// </param>  /// <param name="attributeName">属性名</param>  public string GetAttributeValue(string xPath, string attributeName)  {   //创建XML的根节点   CreateXMLElement();   //返回XPath节点的属性值   return _element.SelectSingleNode(xPath).Attributes[attributeName].Value;  }  #endregion  #region 新增节点  /// <summary>  /// 1. 功能：新增节点。  /// 2. 使用条件：将任意节点插入到当前Xml文件中。  /// </summary>    /// <param name="xmlNode">要插入的Xml节点</param>  public void AppendNode(XmlNode xmlNode)  {   //创建XML的根节点   CreateXMLElement();   //导入节点   XmlNode node = _xml.ImportNode(xmlNode, true);   //将节点插入到根节点下   _element.AppendChild(node);  }  /// <summary>  /// 1. 功能：新增节点。  /// 2. 使用条件：将DataSet中的第一条记录插入Xml文件中。  /// </summary>    /// <param name="ds">DataSet的实例，该DataSet中应该只有一条记录</param>  public void AppendNode(DataSet ds)  {   //创建XmlDataDocument对象   XmlDataDocument xmlDataDocument = new XmlDataDocument(ds);   //导入节点   XmlNode node = xmlDataDocument.DocumentElement.FirstChild;   //将节点插入到根节点下   AppendNode(node);  }  #endregion  #region 删除节点  /// <summary>  /// 删除指定XPath表达式的节点  /// </summary>    /// <param name="xPath">XPath表达式,  /// 范例1: @"Skill/First/SkillItem", 等效于 @"//Skill/First/SkillItem"  /// 范例2: @"Table[USERNAME='a']" , []表示筛选,USERNAME是Table下的一个子节点.  /// 范例3: @"ApplyPost/Item[@itemName='岗位编号']",@itemName是Item节点的属性.  /// </param>  public void RemoveNode(string xPath)  {   //创建XML的根节点   CreateXMLElement();   //获取要删除的节点   XmlNode node = _xml.SelectSingleNode(xPath);   //删除节点   _element.RemoveChild(node);  }  #endregion //删除节点  #region 保存XML文件  /// <summary>  /// 保存XML文件  /// </summary>    public void Save()  {   //创建XML的根节点   CreateXMLElement();   //保存XML文件   _xml.Save(this._filePath);  }  #endregion //保存XML文件  #region 静态方法  #region 创建根节点对象  /// <summary>  /// 创建根节点对象  /// </summary>  /// <param name="xmlFilePath">Xml文件的相对路径</param>    private static XmlElement CreateRootElement(string xmlFilePath)  {   //定义变量，表示XML文件的绝对路径   string filePath = "";   //获取XML文件的绝对路径   filePath = SysHelper.GetPath(xmlFilePath);   //创建XmlDocument对象   XmlDocument xmlDocument = new XmlDocument();   //加载XML文件   xmlDocument.Load(filePath);   //返回根节点   return xmlDocument.DocumentElement;  }  #endregion  #region 获取指定XPath表达式节点的值  /// <summary>  /// 获取指定XPath表达式节点的值  /// </summary>  /// <param name="xmlFilePath">Xml文件的相对路径</param>  /// <param name="xPath">XPath表达式,  /// 范例1: @"Skill/First/SkillItem", 等效于 @"//Skill/First/SkillItem"  /// 范例2: @"Table[USERNAME='a']" , []表示筛选,USERNAME是Table下的一个子节点.  /// 范例3: @"ApplyPost/Item[@itemName='岗位编号']",@itemName是Item节点的属性.  /// </param>  public static string GetValue(string xmlFilePath, string xPath)  {   //创建根对象   XmlElement rootElement = CreateRootElement(xmlFilePath);   //返回XPath节点的值   return rootElement.SelectSingleNode(xPath).InnerText;  }  #endregion  #region 获取指定XPath表达式节点的属性值  /// <summary>  /// 获取指定XPath表达式节点的属性值  /// </summary>  /// <param name="xmlFilePath">Xml文件的相对路径</param>  /// <param name="xPath">XPath表达式,  /// 范例1: @"Skill/First/SkillItem", 等效于 @"//Skill/First/SkillItem"  /// 范例2: @"Table[USERNAME='a']" , []表示筛选,USERNAME是Table下的一个子节点.  /// 范例3: @"ApplyPost/Item[@itemName='岗位编号']",@itemName是Item节点的属性.  /// </param>  /// <param name="attributeName">属性名</param>  public static string GetAttributeValue(string xmlFilePath, string xPath, string attributeName)  {   //创建根对象   XmlElement rootElement = CreateRootElement(xmlFilePath);   //返回XPath节点的属性值   return rootElement.SelectSingleNode(xPath).Attributes[attributeName].Value;  }  #endregion  #endregion  public static void SetValue(string xmlFilePath, string xPath, string newtext)  {   //string path = SysHelper.GetPath(xmlFilePath);   //var queryXML = from xmlLog in xelem.Descendants("msg_log")   //    //所有名字为Bin的记录   //    where xmlLog.Element("user").Value == "Bin"   //    select xmlLog;   //foreach (XElement el in queryXML)   //{   // el.Element("user").Value = "LiuBin";//开始修改   //}   //xelem.Save(path);  } }}

using System;using System.Data;using System.IO;using System.Xml;namespace DotNet.Utilities{ public class XMLProcess {  #region 构造函数  public XMLProcess()  { }  public XMLProcess(string strPath)  {   this._XMLPath = strPath;  }  #endregion  #region 公有属性  private string _XMLPath;  public string XMLPath  {   get { return this._XMLPath; }  }  #endregion  #region 私有方法  /// <summary>  /// 导入XML文件  /// </summary>  /// <param name="XMLPath">XML文件路径</param>  private XmlDocument XMLLoad()  {   string XMLFile = XMLPath;   XmlDocument xmldoc = new XmlDocument();   try   {    string filename = AppDomain.CurrentDomain.BaseDirectory.ToString() + XMLFile;    if (File.Exists(filename)) xmldoc.Load(filename);   }   catch (Exception e)   { }   return xmldoc;  }  /// <summary>  /// 导入XML文件  /// </summary>  /// <param name="XMLPath">XML文件路径</param>  private static XmlDocument XMLLoad(string strPath)  {   XmlDocument xmldoc = new XmlDocument();   try   {    string filename = AppDomain.CurrentDomain.BaseDirectory.ToString() + strPath;    if (File.Exists(filename)) xmldoc.Load(filename);   }   catch (Exception e)   { }   return xmldoc;  }  /// <summary>  /// 返回完整路径  /// </summary>  /// <param name="strPath">Xml的路径</param>  private static string GetXmlFullPath(string strPath)  {   if (strPath.IndexOf(":") > 0)   {    return strPath;   }   else   {    return System.Web.HttpContext.Current.Server.MapPath(strPath);   }  }  #endregion  #region 读取数据  /// <summary>  /// 读取指定节点的数据  /// </summary>  /// <param name="node">节点</param>  /// 使用示列:  /// XMLProsess.Read("/Node", "")  /// XMLProsess.Read("/Node/Element[@Attribute='Name']")  public string Read(string node)  {   string value = "";   try   {    XmlDocument doc = XMLLoad();    XmlNode xn = doc.SelectSingleNode(node);    value = xn.InnerText;   }   catch { }   return value;  }  /// <summary>  /// 读取指定路径和节点的串联值  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="attribute">属性名，非空时返回该属性值，否则返回串联值</param>  /// 使用示列:  /// XMLProsess.Read(path, "/Node", "")  /// XMLProsess.Read(path, "/Node/Element[@Attribute='Name']")  public static string Read(string path, string node)  {   string value = "";   try   {    XmlDocument doc = XMLLoad(path);    XmlNode xn = doc.SelectSingleNode(node);    value = xn.InnerText;   }   catch { }   return value;  }  /// <summary>  /// 读取指定路径和节点的属性值  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="attribute">属性名，非空时返回该属性值，否则返回串联值</param>  /// 使用示列:  /// XMLProsess.Read(path, "/Node", "")  /// XMLProsess.Read(path, "/Node/Element[@Attribute='Name']", "Attribute")  public static string Read(string path, string node, string attribute)  {   string value = "";   try   {    XmlDocument doc = XMLLoad(path);    XmlNode xn = doc.SelectSingleNode(node);    value = (attribute.Equals("") ? xn.InnerText : xn.Attributes[attribute].Value);   }   catch { }   return value;  }  /// <summary>  /// 获取某一节点的所有孩子节点的值  /// </summary>  /// <param name="node">要查询的节点</param>  public string[] ReadAllChildallValue(string node)  {   int i = 0;   string[] str = { };   XmlDocument doc = XMLLoad();   XmlNode xn = doc.SelectSingleNode(node);   XmlNodeList nodelist = xn.ChildNodes; //得到该节点的子节点   if (nodelist.Count > 0)   {    str = new string[nodelist.Count];    foreach (XmlElement el in nodelist)//读元素值    {     str[i] = el.Value;     i++;    }   }   return str;  }  /// <summary>  /// 获取某一节点的所有孩子节点的值  /// </summary>  /// <param name="node">要查询的节点</param>  public XmlNodeList ReadAllChild(string node)  {   XmlDocument doc = XMLLoad();   XmlNode xn = doc.SelectSingleNode(node);   XmlNodeList nodelist = xn.ChildNodes; //得到该节点的子节点   return nodelist;  }  /// <summary>   /// 读取XML返回经排序或筛选后的DataView  /// </summary>  /// <param name="strWhere">筛选条件，如:"name='kgdiwss'"</param>  /// <param name="strSort"> 排序条件，如:"Id desc"</param>  public DataView GetDataViewByXml(string strWhere, string strSort)  {   try   {    string XMLFile = this.XMLPath;    string filename = AppDomain.CurrentDomain.BaseDirectory.ToString() + XMLFile;    DataSet ds = new DataSet();    ds.ReadXml(filename);    DataView dv = new DataView(ds.Tables[0]); //创建DataView来完成排序或筛选操作     if (strSort != null)    {     dv.Sort = strSort; //对DataView中的记录进行排序    }    if (strWhere != null)    {     dv.RowFilter = strWhere; //对DataView中的记录进行筛选，找到我们想要的记录    }    return dv;   }   catch (Exception)   {    return null;   }  }  /// <summary>  /// 读取XML返回DataSet  /// </summary>  /// <param name="strXmlPath">XML文件相对路径</param>  public DataSet GetDataSetByXml(string strXmlPath)  {   try   {    DataSet ds = new DataSet();    ds.ReadXml(GetXmlFullPath(strXmlPath));    if (ds.Tables.Count > 0)    {     return ds;    }    return null;   }   catch (Exception)   {    return null;   }  }  #endregion  #region 插入数据  /// <summary>  /// 插入数据  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="element">元素名，非空时插入新元素，否则在该元素中插入属性</param>  /// <param name="attribute">属性名，非空时插入该元素属性值，否则插入元素值</param>  /// <param name="value">值</param>  /// 使用示列:  /// XMLProsess.Insert(path, "/Node", "Element", "", "Value")  /// XMLProsess.Insert(path, "/Node", "Element", "Attribute", "Value")  /// XMLProsess.Insert(path, "/Node", "", "Attribute", "Value")  public static void Insert(string path, string node, string element, string attribute, string value)  {   try   {    XmlDocument doc = new XmlDocument();    doc.Load(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);    XmlNode xn = doc.SelectSingleNode(node);    if (element.Equals(""))    {     if (!attribute.Equals(""))     {      XmlElement xe = (XmlElement)xn;      xe.SetAttribute(attribute, value);     }    }    else    {     XmlElement xe = doc.CreateElement(element);     if (attribute.Equals(""))      xe.InnerText = value;     else      xe.SetAttribute(attribute, value);     xn.AppendChild(xe);    }    doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);   }   catch { }  }  /// <summary>  /// 插入数据  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="element">元素名，非空时插入新元素，否则在该元素中插入属性</param>  /// <param name="strList">由XML属性名和值组成的二维数组</param>  public static void Insert(string path, string node, string element, string[][] strList)  {   try   {    XmlDocument doc = new XmlDocument();    doc.Load(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);    XmlNode xn = doc.SelectSingleNode(node);    XmlElement xe = doc.CreateElement(element);    string strAttribute = "";    string strValue = "";    for (int i = 0; i < strList.Length; i++)    {     for (int j = 0; j < strList[i].Length; j++)     {      if (j == 0)       strAttribute = strList[i][j];      else       strValue = strList[i][j];     }     if (strAttribute.Equals(""))      xe.InnerText = strValue;     else      xe.SetAttribute(strAttribute, strValue);    }    xn.AppendChild(xe);    doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);   }   catch { }  }  /// <summary>  /// 插入一行数据  /// </summary>  /// <param name="strXmlPath">XML文件相对路径</param>  /// <param name="Columns">要插入行的列名数组，如：string[] Columns = {"name","IsMarried"};</param>  /// <param name="ColumnValue">要插入行每列的值数组，如：string[] ColumnValue={"XML大全","false"};</param>  /// <returns>成功返回true,否则返回false</returns>  public static bool WriteXmlByDataSet(string strXmlPath, string[] Columns, string[] ColumnValue)  {   try   {    //根据传入的XML路径得到.XSD的路径，两个文件放在同一个目录下    string strXsdPath = strXmlPath.Substring(0, strXmlPath.IndexOf(".")) + ".xsd";    DataSet ds = new DataSet();    ds.ReadXmlSchema(GetXmlFullPath(strXsdPath)); //读XML架构，关系到列的数据类型    ds.ReadXml(GetXmlFullPath(strXmlPath));    DataTable dt = ds.Tables[0];    DataRow newRow = dt.NewRow();     //在原来的表格基础上创建新行    for (int i = 0; i < Columns.Length; i++)  //循环给一行中的各个列赋值    {     newRow[Columns[i]] = ColumnValue[i];    }    dt.Rows.Add(newRow);    dt.AcceptChanges();    ds.AcceptChanges();    ds.WriteXml(GetXmlFullPath(strXmlPath));    return true;   }   catch (Exception)   {    return false;   }  }  #endregion  #region 修改数据  /// <summary>  /// 修改指定节点的数据  /// </summary>  /// <param name="node">节点</param>  /// <param name="value">值</param>  public void Update(string node, string value)  {   try   {    XmlDocument doc = XMLLoad();    XmlNode xn = doc.SelectSingleNode(node);    xn.InnerText = value;    doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + XMLPath);   }   catch { }  }  /// <summary>  /// 修改指定节点的数据  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="value">值</param>  /// 使用示列:  /// XMLProsess.Insert(path, "/Node","Value")  /// XMLProsess.Insert(path, "/Node","Value")  public static void Update(string path, string node, string value)  {   try   {    XmlDocument doc = XMLLoad(path);    XmlNode xn = doc.SelectSingleNode(node);    xn.InnerText = value;    doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);   }   catch { }  }  /// <summary>  /// 修改指定节点的属性值(静态)  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="attribute">属性名，非空时修改该节点属性值，否则修改节点值</param>  /// <param name="value">值</param>  /// 使用示列:  /// XMLProsess.Insert(path, "/Node", "", "Value")  /// XMLProsess.Insert(path, "/Node", "Attribute", "Value")  public static void Update(string path, string node, string attribute, string value)  {   try   {    XmlDocument doc = XMLLoad(path);    XmlNode xn = doc.SelectSingleNode(node);    XmlElement xe = (XmlElement)xn;    if (attribute.Equals(""))     xe.InnerText = value;    else     xe.SetAttribute(attribute, value);    doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);   }   catch { }  }  /// <summary>  /// 更改符合条件的一条记录  /// </summary>  /// <param name="strXmlPath">XML文件路径</param>  /// <param name="Columns">列名数组</param>  /// <param name="ColumnValue">列值数组</param>  /// <param name="strWhereColumnName">条件列名</param>  /// <param name="strWhereColumnValue">条件列值</param>  public static bool UpdateXmlRow(string strXmlPath, string[] Columns, string[] ColumnValue, string strWhereColumnName, string strWhereColumnValue)  {   try   {    string strXsdPath = strXmlPath.Substring(0, strXmlPath.IndexOf(".")) + ".xsd";    DataSet ds = new DataSet();    ds.ReadXmlSchema(GetXmlFullPath(strXsdPath));//读XML架构，关系到列的数据类型    ds.ReadXml(GetXmlFullPath(strXmlPath));    //先判断行数    if (ds.Tables[0].Rows.Count > 0)    {     for (int i = 0; i < ds.Tables[0].Rows.Count; i++)     {      //如果当前记录为符合Where条件的记录      if (ds.Tables[0].Rows[i][strWhereColumnName].ToString().Trim().Equals(strWhereColumnValue))      {       //循环给找到行的各列赋新值       for (int j = 0; j < Columns.Length; j++)       {        ds.Tables[0].Rows[i][Columns[j]] = ColumnValue[j];       }       ds.AcceptChanges();      //更新DataSet       ds.WriteXml(GetXmlFullPath(strXmlPath));//重新写入XML文件       return true;      }     }    }    return false;   }   catch (Exception)   {    return false;   }  }  #endregion  #region 删除数据  /// <summary>  /// 删除节点值  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="attribute">属性名，非空时删除该节点属性值，否则删除节点值</param>  /// <param name="value">值</param>  /// 使用示列:  /// XMLProsess.Delete(path, "/Node", "")  /// XMLProsess.Delete(path, "/Node", "Attribute")  public static void Delete(string path, string node)  {   try   {    XmlDocument doc = XMLLoad(path);    XmlNode xn = doc.SelectSingleNode(node);    xn.ParentNode.RemoveChild(xn);    doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);   }   catch { }  }  /// <summary>  /// 删除数据  /// </summary>  /// <param name="path">路径</param>  /// <param name="node">节点</param>  /// <param name="attribute">属性名，非空时删除该节点属性值，否则删除节点值</param>  /// <param name="value">值</param>  /// 使用示列:  /// XMLProsess.Delete(path, "/Node", "")  /// XMLProsess.Delete(path, "/Node", "Attribute")  public static void Delete(string path, string node, string attribute)  {   try   {    XmlDocument doc = XMLLoad(path);    XmlNode xn = doc.SelectSingleNode(node);    XmlElement xe = (XmlElement)xn;    if (attribute.Equals(""))     xn.ParentNode.RemoveChild(xn);    else     xe.RemoveAttribute(attribute);    doc.Save(AppDomain.CurrentDomain.BaseDirectory.ToString() + path);   }   catch { }  }  /// <summary>  /// 删除所有行  /// </summary>  /// <param name="strXmlPath">XML路径</param>  public static bool DeleteXmlAllRows(string strXmlPath)  {   try   {    DataSet ds = new DataSet();    ds.ReadXml(GetXmlFullPath(strXmlPath));    if (ds.Tables[0].Rows.Count > 0)    {     ds.Tables[0].Rows.Clear();    }    ds.WriteXml(GetXmlFullPath(strXmlPath));    return true;   }   catch (Exception)   {    return false;   }  }  /// <summary>  /// 通过删除DataSet中指定索引行，重写XML以实现删除指定行  /// </summary>  /// <param name="iDeleteRow">要删除的行在DataSet中的Index值</param>  public static bool DeleteXmlRowByIndex(string strXmlPath, int iDeleteRow)  {   try   {    DataSet ds = new DataSet();    ds.ReadXml(GetXmlFullPath(strXmlPath));    if (ds.Tables[0].Rows.Count > 0)    {     ds.Tables[0].Rows[iDeleteRow].Delete();    }    ds.WriteXml(GetXmlFullPath(strXmlPath));    return true;   }   catch (Exception)   {    return false;   }  }  /// <summary>  /// 删除指定列中指定值的行  /// </summary>  /// <param name="strXmlPath">XML相对路径</param>  /// <param name="strColumn">列名</param>  /// <param name="ColumnValue">指定值</param>  public static bool DeleteXmlRows(string strXmlPath, string strColumn, string[] ColumnValue)  {   try   {    DataSet ds = new DataSet();    ds.ReadXml(GetXmlFullPath(strXmlPath));    if (ds.Tables[0].Rows.Count > 0)    {     //判断行多还是删除的值多，多的for循环放在里面     if (ColumnValue.Length > ds.Tables[0].Rows.Count)     {      for (int i = 0; i < ds.Tables[0].Rows.Count; i++)      {       for (int j = 0; j < ColumnValue.Length; j++)       {        if (ds.Tables[0].Rows[i][strColumn].ToString().Trim().Equals(ColumnValue[j]))        {         ds.Tables[0].Rows[i].Delete();        }       }      }     }     else     {      for (int j = 0; j < ColumnValue.Length; j++)      {       for (int i = 0; i < ds.Tables[0].Rows.Count; i++)       {        if (ds.Tables[0].Rows[i][strColumn].ToString().Trim().Equals(ColumnValue[j]))        {         ds.Tables[0].Rows[i].Delete();        }       }      }     }     ds.WriteXml(GetXmlFullPath(strXmlPath));    }    return true;   }   catch (Exception)   {    return false;   }  }  #endregion }}