How You Can Create xml File?

string str = ""; string s="select * from emp"; SqlCommand cmd = new SqlCommand(s, con); SqlDataReader dr = cmd.ExecuteReader(); //str += " <Employee>" ; str += ""; while (dr.Read()) { str += ""; str += dr[0].ToString(); str += ""; str += dr[1].ToString(); str += ""; } str += ""; StreamWriter sw = File.CreateText("D:\ampl.xml"); sw.WriteLine(str); sw.Close();