help 如何导出为xml文件

Question

现在有一个数据集，我要怎样才能产生xml文件，并读取，估计很简单

Answer 1

dataset可以直接保存为xml文件
ds.WriteXml(........)

Answer 2

象上面说的,直接从DataSet里面读取就可以了!

Answer 3

http://goody9807.611.cn/Announce/Announce.asp?BoardID=2&ID=632

Answer 4

string sql = "SELECT id,name FROM content FOR XML AUTO,XMLDATA"; 
SqlConnection conn =new SqlConnection( System.Configuration.ConfigurationSettings.AppSettings["testDataBase"] ); 
SqlCommand cmd=new SqlCommand(sql,conn); 
conn.Open(); 
XmlTextReader objXmlReader = (XmlTextReader)cmd.ExecuteXmlReader(); 
DataSet ds = new DataSet(); 
ds.DataSetName = "XML"; 
ds.ReadXml(objXmlReader,XmlReadMode.Fragment); 
ds.WriteXml(Server.MapPath("XML.xml")); 
conn.Close();

Answer 5

--------------------------------------
'写架构
ds.WriteXmlSchema(Server.MapPath("DataForService.xsd"))
'写数据
ds.WriteXml(Server.MapPath("DataForService.xml"))
'读架构
ds.ReadXmlSchema(Server.MapPath("DataForService.xsd"))
'读数据
ds.ReadXml(Server.MapPath("DataForService.xml"))