Convert the result from a query to XML and output : ResultSet to Xml « ADO.Net « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. ADO.Net
3. ResultSet to Xml

using System;
using System.Xml;
using System.Data;
using System.Data.SqlClient;

class MainClass {
    public static void Main(string[] args)
    {
        using (SqlConnection con = new SqlConnection()) {
            con.ConnectionString = @"Data Source = .\sqlexpress;Database = Northwind; Integrated Security=SSPI";

            using (SqlCommand com = con.CreateCommand()) {
                com.CommandType = CommandType.Text;
                com.CommandText = "SELECT ID, FirstName" +
                    " FROM Employee FOR XML AUTO";

                con.Open();

                using (XmlReader reader = com.ExecuteXmlReader())
                {
                    while (reader.Read())
                    {
                        Console.Write("Element: " + reader.Name);
                        if (reader.HasAttributes)
                        {
                            for (int i = 0; i < reader.AttributeCount; i++)
                            {
                                reader.MoveToAttribute(i);
                                Console.Write("  {0}: {1}",
                                    reader.Name, reader.Value);
                            }

                            reader.MoveToElement();
                            Console.WriteLine(Environment.NewLine);
                        }
                    }
                }
            }
        }
    }
}