Mega Code Archive
Connection event
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.SqlClient;
public class MainClass{
public static void Main(){
SqlConnection cn = new SqlConnection();
try
{
cn.StateChange += new StateChangeEventHandler(StateChange);
cn.InfoMessage += new SqlInfoMessageEventHandler(InfoMessage);
cn.ConnectionString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;";
cn.Open();
cn.ChangeDatabase("Biblio");
}
catch( Exception ex )
{
Console.WriteLine(ex.Message);
}
finally
{
// Unsubscribe from the Events we subscribed to.
cn.StateChange -= new StateChangeEventHandler(StateChange);
cn.InfoMessage -= new SqlInfoMessageEventHandler(InfoMessage);
}
}
private static void StateChange(object sender, System.Data.StateChangeEventArgs e)
{
Console.WriteLine("State was:" + e.OriginalState.ToString() + ". New state = " + e.CurrentState.ToString() );
}
private static void InfoMessage( object sender, System.Data.SqlClient.SqlInfoMessageEventArgs e)
{
int i;
for (i=0; i < e.Errors.Count; i++ )
{
Console.WriteLine(e.Errors[i].Message);
}
}
}
State was:Closed. New state = Open
Could not locate entry in sysdatabases for database 'Biblio'. No entry found with that name. Make su
re that the name is entered correctly.
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