c# xml操作类-读取本地和远程xml文件,并返回dataset
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添加日期:2021/3/22 16:07:19
using 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.IO; /// <summary> /// XmlControl 的摘要说明 /// </summary> namespace donny { public class XmlControl { protected string strXmlFile; protected XmlDocument objXmlDoc = new XmlDocument(); public XmlControl(string XmlFile) { // // TODO: 在这里加入建构函式的程式码 // try { objXmlDoc.Load(XmlFile); } catch (System.Exception ex) { throw ex; } strXmlFile = XmlFile; } public DataSet GetData(string XmlPathNode) { //查找数据。返回一个DataSet DataSet ds = new DataSet(); StringReader read = new StringReader(objXmlDoc.SelectSingleNode(XmlPathNode).OuterXml); //objXmlDoc.SelectNodes(XmlPathNode) ds.ReadXml(read); return ds; } public void Replace(string XmlPathNode, string Content) { //更新节点内容。 objXmlDoc.SelectSingleNode(XmlPathNode).InnerText = Content; } public void Delete(string Node) { //删除一个节点。 string mainNode = Node.Substring(0, Node.LastIndexOf("/")); objXmlDoc.SelectSingleNode(mainNode).RemoveChild(objXmlDoc.SelectSingleNode(Node)); } public void InsertNode(string MainNode, string ChildNode, string Element, string Content) { //插入一节点和此节点的一子节点。 XmlNode objRootNode = objXmlDoc.SelectSingleNode(MainNode); XmlElement objChildNode = objXmlDoc.CreateElement(ChildNode); objRootNode.AppendChild(objChildNode); XmlElement objElement = objXmlDoc.CreateElement(Element); objElement.InnerText = Content; objChildNode.AppendChild(objElement); } public void InsertElement(string MainNode, string Element, string Attrib, string AttribContent, string Content) { //插入一个节点,带一属性。 XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode); XmlElement objElement = objXmlDoc.CreateElement(Element); objElement.SetAttribute(Attrib, AttribContent); objElement.InnerText = Content; objNode.AppendChild(objElement); } public void InsertElement(string MainNode, string Element, string Content) { //插入一个节点,不带属性。 XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode); XmlElement objElement = objXmlDoc.CreateElement(Element); objElement.InnerText = Content; objNode.AppendChild(objElement); } public void Save( string filepath) { //保存文档。 try { objXmlDoc.Save(filepath); } catch (System.Exception ex) { throw ex; } objXmlDoc = null; } } // 数据显视 // dgList.DataSource = xmlTool.GetData("Book/Authors[ISBN=\"0002\"]"); // dgList.DataBind(); // 更新元素内容 // xmlTool.Replace("Book/Authors[ISBN=\"0002\"]/Content","ppppppp"); // xmlTool.Save(); // 添加一个新节点 // xmlTool.InsertNode("Book","Author","ISBN","0004"); // xmlTool.InsertElement("Book/Author[ISBN=\"0004\"]","Content","aaaaaaaaa"); // xmlTool.InsertElement("Book/Author[ISBN=\"0004\"]","Title","Sex","man","iiiiiiii"); // xmlTool.Save(); // 删除一个指定节点的所有内容和属性 // xmlTool.Delete("Book/Author[ISBN=\"0004\"]"); // xmlTool.Save(); // 删除一个指定节点的子节点 // xmlTool.Delete("Book/Authors[ISBN=\"0003\"]"); // xmlTool.Save(); }
