C# 操作 XML 增 删 改 查

xml文件格式

<?xml version="1.0"?>

<dbGuest>

<User>

<Name uid="d">ew</Name>

<City>dsa</City>

<Email>eq</Email>

</User>

</dbGuest>
操作方式

//创建XML文件

private void btnCreateXml_Click(object sender, System.EventArgs e)

//添加用户

private void btnAdd_Click(object sender, System.EventArgs e)

//绑定xml数据

private void BindXML()

//删除用户

private void btnDelete_Click(object sender, System.EventArgs e)

//更新用户

private void btnUpdate_Click(object sender, System.EventArgs e)

//查询

private void btnSelect_Click(object sender, System.EventArgs e)

{

XmlDocument doc = new XmlDocument();

doc.Load(xmlFile);

string selectName = ddlNames.SelectedItem.Text;

string email = doc.SelectSingleNode("//User[Name='"+selectName+"']").ChildNodes.Item(2).InnerText;

lblMsg.Text = "查询"+selectName+"用户email为"+email;

}

下载本示例