ADO Net C# Tutorial

using System;
using System.Data;
using System.Data.SqlClient;
public class AddCustomer
{
    public static void Main() 
    {
        string connectionString = "Data Source=localhost;Initial Catalog=store;Integrated Security=SSPI";
        string procedure = "CustomerAdd";
        SqlConnection con = new SqlConnection(connectionString);
        SqlCommand cmd = new SqlCommand(procedure, con);
        cmd.CommandType = CommandType.StoredProcedure;
        con.Open();
        SqlCommandBuilder.DeriveParameters(cmd);
        cmd.Parameters[1].Value = "name";
        cmd.Parameters[2].Value = "j@m.com";
        cmd.Parameters[3].Value = "password";
        cmd.Parameters[4].Value = DBNull.Value;
        cmd.ExecuteNonQuery();
        con.Close();
        Console.WriteLine("New ID: " +cmd.Parameters[4].Value);
    }
}