<?xml version="1.0" encoding="utf-8"?>
<pricelist>
<oilprices>
<price year="1998" value="956" />
<price year="1999" value="4456" />
<price year="2000" value="6456" />
<price year="2001" value="2222" />
</oilprices>
<fuelprices>
<price year="1998" e95="9745" e98="13745" />
<price year="1999" e95="7745" e98="11745" />
<price year="2000" e95="10745" e98="11745" />
<price year="2001" e95="9745" e98="10745" />
</fuelprices>
我有个数据表里面分别有Time，e95,e98，value四个字段，想实现这样的效果该怎么写，请大家帮下忙，先谢谢大家了，要写的具体点啊
using System.Xml;
XmlTextWriter writer = new XmlTextWriter(this.Response.OutputStream, System.Text.Encoding.UTF8);
//writer.WriteStartDocument();
//chart开始
writer.WriteStartElement("chart");
//series开始
