string xmlFilePath = @"D:\Data\dlfile.xml";
XmlDocument doc = new XmlDocument();
doc.Load(xmlFilePath);
//使用xpath表达式选择文档中所有的student子节点
XmlNodeList studentNodeList = doc.SelectNodes("//Movie/user");
if (studentNodeList != null)
{
foreach (XmlNode studentNode in studentNodeList)
{
combobox1.items.add(studentNode.value)
}
}