Saving Data into XML Format

DataSet ds = new DataSet();
Xml Xml1 = new Xml();
protected void Page_Load(object sender, EventArgs e)
{
//Create a connection string.
string sqlConnect=@"Data Source=SHEEBAN\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True";
SqlConnection sqlconnect = new SqlConnection(ConfigurationManager.ConnectionStrings["NorthwindConnection"].ConnectionString);
//Create a connection object to connect to the web shoppe database
try
{
SqlConnection nwconnect = new SqlConnection(sqlConnect);
String scommand = "select top 10 * from customers";
//Create an adapter to load the dataset
SqlDataAdapter da = new SqlDataAdapter(scommand, nwconnect);
//Fill the dataset
da.Fill(ds, "Customers");
XmlDataDocument doc = new XmlDataDocument(ds);
//Xml1.Document = doc;
doc.Save(MapPath("Customers.xml"));//This is where we are saving the data in an XML file Customers.xml
Label1.Text = "Your Data saved succesfully";
}
catch
{
//if there is any error then Label1 will give the Error
Label1.Text = "Error while connecting to database";
}
}