using System;

using System.Data;

using System.Windows.Forms;

using System.Xml;

using System.Data.SqlClient; 



namespace WindowsApplication1

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            string connetionString = null;

            SqlConnection connection );

            SqlDataAdapter adapter ;

            DataSet ds = new DataSet();

            string sql = null;



            connetionString = "Data Source=servername;Initial Catalog=databsename;User ID=username;Password=password";

            connection = new SqlConnection(connetionString);

            sql = "select * from Product";

            try

            {

                connection.Open();

                adapter = new SqlDataAdapter(sql, connection);

                adapter.Fill(ds);

                connection.Close();

                ds.WriteXml("Product.xml");

                MessageBox.Show("Done");

            }

            catch (Exception ex)

            {

                MessageBox.Show (ex.ToString());



            }

        }

    }

}