本文整理汇总了VB.NET中System.Data.SqlClient.SqlConnection.StateChange事件的典型用法代码示例。如果您正苦于以下问题：VB.NET SqlConnection.StateChange事件的具体用法？VB.NET SqlConnection.StateChange怎么用？VB.NET SqlConnection.StateChange使用的例子？那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Data.SqlClient.SqlConnection的用法示例。
在下文中一共展示了SqlConnection.StateChange事件的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: MainClass
' 导入命名空间
Imports System
Imports System.Collections
Imports System.Data
Imports System.IO
Imports System.Xml.Serialization
Imports System.Xml
Imports System.Windows.Forms
Imports System.Data.SqlClient
Public Class MainClass
Shared Dim WithEvents con As SqlConnection
Shared Sub Main()
con = New SqlConnection("Server=(local)\SQLEXPRESS;Initial Catalog=MyDatabase;Integrated Security=SSPI")
Dim cmd As New SqlCommand()
cmd.CommandText = "SELECT TOP 5 FirstName, LastName FROM Employee"
cmd.Connection = con
Try
con.Open()
Dim reader As SqlDataReader = cmd.ExecuteReader()
While reader.Read()
Console.WriteLine( _
"{0} - {1}", reader.GetString(0), reader.GetString(1))
End While
reader.Close()
Finally
con.Close()
End Try
End Sub
Shared Sub con_StateChange(ByVal Sender As Object, _
ByVal E As StateChangeEventArgs) Handles con.StateChange
Console.WriteLine( _
"{0} - {1}", "ConnectionState", E.CurrentState.ToString())
End Sub
End Class