using System;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Text;
class Program
{
static void Main(string[] args)
{
SqlConnection thisConnection = new SqlConnection(
@"Data Source=.\SQLEXPRESS;" +
@"AttachDbFilename='NORTHWND.MDF';" +
@"Integrated Security=True;Connect Timeout=30;User Instance=true");
thisConnection.Open();
SqlCommand thisCommand = thisConnection.CreateCommand();
thisCommand.CommandText = "UPDATE Products SET UnitPrice=1";
int rowsAffected = thisCommand.ExecuteNonQuery();
Console.WriteLine("Rows Updated = {0}", rowsAffected);
thisConnection.Close();
}
}