xml导入导出

导入

stream stream=file.openread(server.mappath("xml.xml"));

xdocument document=xdocument.load(stream);

using (SqlConnection con=new SqlConnection(str))

{

con.Open();

using (SqlCommand cmd=con.CreateCommand())

{

foreach(xelement element in document.root.descendants("mail"))

{

string receive = item.Element("receivemai").Value;

string senders = item.Element("sendermail").Value;

string title = item.Element("title").Value;

string content = item.Element("content").Value;

cmd.CommandText = "insert into mailxml(receivemail,sendermail,title,content) values('"+receive+"','"+senders+"','"+title+"','"+content+"'"+")";

cmd.ExecuteNonQuery();

stream.Flush();

}

}

}

导出

using (SqlConnection con=new SqlConnection(str))

{

using (SqlCommand cmd=con.CreateCommand())

{

cmd.CommandText = "select * from mailxml";

con.Open();

SqlDataReader reader=cmd.ExecuteReader();

XElement xml=new xElement("xml");

XElement mail=new XElement("mail");

sqldatareader reader=cmd.executereader();

while(reader.Read())

{

XElement receivemail = new XElement("receivemail", "'"+reader[1].ToString()+"'");

XElement sendermail = new XElement("sendermail","'"+reader[2].ToString()+"'");

XElement title = new XElement("title","'"+reader[3].ToString());

XElement content = new XElement("content","'"+reader[4].ToString()+"'");

mail.Add(receivemail);

mail.Add(sendermail);

mail.Add(title);

mail.Add(content);

}

xml.Add(mail);

stream stream=file.openWrite("f:\\mail.xml");

streamwrite write=new streamwrite(stream);

write.writeline(xml.tostring());

保持初学者的心态！！！

}

}