Материал из .Net Framework эксперт
Using ADO.NET Events
/*
* C# Programmers Pocket Consultant
* Author: Gregory S. MacBeth
* Email: gmacbeth@comporium.net
* Create Date: June 27, 2003
* Last Modified Date:
* Version: 1
*/
using System;
using System.Data;
using System.Data.SqlClient;
namespace Client.Chapter_13___ADO.NET
{
public class UsingADONETEvents
{
static void Main(string[] args)
{
SqlConnection MyConnection = new SqlConnection(@"Data Source=(local); Initial Catalog = CaseManager; Integrated Security=true");
MyConnection.StateChange += new StateChangeEventHandler(OnStateChange);
MyConnection.Open(); //Trigger Open Event
MyConnection.Close();
}
public static void OnStateChange(object sender, System.Data.StateChangeEventArgs e)
{
Console.WriteLine("Connection State Chnaged: {0}", ((SqlConnection)sender).State);
}
}
}