c#更新xml配置文件的数据

Question

xml文件如下：<?xml version="1.0" encoding="GB2312" ?>
<configurations>
    <DBLink>
        <DSN>ecdb</DSN>
        <UserID>exam</UserID>
        <Password>exam</Password>
    </DBLink>
</configurations>
通过winform程序更新以上三项的数据。在线等，谢谢！

Answer 1

XmlTextWriter xmlWriter = new XmlTextWriter("save.xml",System.Text.Encoding.Default);
xmlWriter.Formatting = Formatting.Indented;
xmlWriter.WriteStartDocument();
xmlWriter.WriteStartElement("DBLink");
xmlWriter.WriteElementString("DSN",DSN.Text);
xmlWriter.WriteElementString("UserID",UserID.Text);
xmlWriter.WriteElementString("Password",Password.Text);
xmlWriter.WriteEndElement();
xmlWriter.WriteEndDocument();
xmlWriter.Flush();
xmlWriter.Close();
MessageBox.Show("保存设置成功！");

Answer 2

XmlTextWriter xmlWriter = new XmlTextWriter("save.xml",System.Text.Encoding.Default);
xmlWriter.Formatting = Formatting.Indented;
xmlWriter.WriteStartDocument();
xmlWriter.WriteStartElement("configurations");
xmlWriter.WriteStartElement("DBLink");
xmlWriter.WriteElementString("DSN",DSN.Text);
xmlWriter.WriteElementString("UserID",UserID.Text);
xmlWriter.WriteElementString("Password",Password.Text);
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
xmlWriter.WriteEndDocument();
xmlWriter.Flush();
xmlWriter.Close();
MessageBox.Show("保存设置成功！");这样试试