XML的读写

 

 

 /**//// <summary>
    /// 从已有的XML文件读取
    /// </summary>
    private void ReadXml()
    ...{
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.Load(Server.MapPath("EnterpriseIntroduce.xml"));
        //XmlNode xmlDocSelect = xmlDoc.SelectSingleNode("Introduce");
        XmlNodeReader nodeRd = new XmlNodeReader(xmlDoc);

        while (nodeRd.Read())
        ...{
            if (nodeRd.NodeType == XmlNodeType.Element)
            ...{
                switch (nodeRd.Name)
                ...{
                    case "Name":
                        nodeRd.Read();
                        this.txtName.Text = nodeRd.Value;
                        break;
                    case "Webset":
                        nodeRd.Read();
                        this.txtWebset.Text = nodeRd.Value;
                        break;
                    case "Phone":
                        nodeRd.Read();
                        this.txtPhone.Text = nodeRd.Value;
                        break;
                    case "Address":
                        nodeRd.Read();
                        this.txtAddress.Text = nodeRd.Value;
                        break;
                    case "IntroduceText":
                        nodeRd.Read();
                        this.txtIntroduce.Text = nodeRd.Value;
                        break;
                    default:
                        break;
                }
            }
        }
    }

    /**//// <summary>
    /// 将页面信息存入到指定的XML文件中
    /// </summary>
    private void WriteXmlFromTxt()
    ...{
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.Load(Server.MapPath("EnterpriseIntroduce.xml"));
        XmlNode xmlDocSelect = xmlDoc.SelectSingleNode("Introduce");
        XmlNodeList nodeList = xmlDoc.SelectSingleNode("Introduce").ChildNodes;
        if (nodeList.Count == 0)
        ...{
            XmlElement xmlEl = xmlDoc.CreateElement("Name"); //添加Name节点存放公司名称 
            xmlEl.InnerText = this.txtName.Text.ToString().Trim();
            xmlDocSelect.AppendChild(xmlEl);
            xmlEl = xmlDoc.CreateElement("Webset"); //添加Name节点存放公司名称 
            xmlEl.InnerText = this.txtWebset.Text.ToString().Trim();
            xmlDocSelect.AppendChild(xmlEl);
            xmlEl = xmlDoc.CreateElement("Phone"); //添加Name节点存放公司名称 
            xmlEl.InnerText = this.txtPhone.Text.ToString().Trim();
            xmlDocSelect.AppendChild(xmlEl);
            xmlEl = xmlDoc.CreateElement("Address"); //添加Name节点存放公司名称 
            xmlEl.InnerText = this.txtAddress.Text.ToString().Trim();
            xmlDocSelect.AppendChild(xmlEl);
            xmlEl = xmlDoc.CreateElement("IntroduceText"); //添加Name节点存放公司名称 
            xmlEl.InnerText = this.txtIntroduce.Text.ToString().Trim();
            xmlDocSelect.AppendChild(xmlEl);
        }
        else
        ...{
            foreach (XmlNode xn in nodeList)//遍历所有子节点
            ...{
                XmlElement xeTmp = (XmlElement)xn;
                if (xeTmp.Name == "Name")
                ...{
                    xeTmp.InnerText = this.txtName.Text.ToString();
                    continue;
                }
                if (xeTmp.Name == "Webset")
                ...{
                    xeTmp.InnerText = this.txtWebset.Text.ToString();
                    continue;
                }
                if (xeTmp.Name == "Phone")
                ...{
                    xeTmp.InnerText = this.txtPhone.Text.ToString();
                    continue;
                }
                if (xeTmp.Name == "Address")
                ...{
                    xeTmp.InnerText = this.txtAddress.Text.ToString();
                    continue;
                }
                if (xeTmp.Name == "IntroduceText")
                ...{
                    xeTmp.InnerText = this.txtIntroduce.Text.ToString();
                    continue;
                }
            }
        }
        xmlDoc.Save(Server.MapPath("EnterpriseIntroduce.xml")); 
    }