VB.NET SqlRowUpdatedEventArgs类代码示例

本文整理汇总了VB.NET中System.Data.SqlClient.SqlRowUpdatedEventArgs类的典型用法代码示例。如果您正苦于以下问题：VB.NET SqlRowUpdatedEventArgs类的具体用法？VB.NET SqlRowUpdatedEventArgs怎么用？VB.NET SqlRowUpdatedEventArgs使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了SqlRowUpdatedEventArgs类的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: OnRowUpdating

' handler for RowUpdating event
    Private Shared Sub OnRowUpdating(sender As Object, e As SqlRowUpdatingEventArgs)
        PrintEventArgs(e)
    End Sub 

    ' handler for RowUpdated event
    Private Shared Sub OnRowUpdated(sender As Object, e As SqlRowUpdatedEventArgs)
        PrintEventArgs(e)
    End Sub 
    
    'Entry point which delegates to C-style main Private Function
    Public Overloads Shared Sub Main()
        System.Environment.ExitCode = Main(System.Environment.GetCommandLineArgs())
    End Sub
    
    Overloads Public Shared Function Main(args() As String) As Integer
        Const connectionString As String = _
            "Integrated Security=SSPI;database=Northwind;server=MSSQL1"
        Const queryString As String = "SELECT * FROM Products"
        
        ' create DataAdapter
        Dim adapter As New SqlDataAdapter(queryString, connectionString)
        Dim builder As New SqlCommandBuilder(adapter)
        
        ' Create and fill DataSet (select only first 5 rows)
        Dim dataSet As New DataSet()
        adapter.Fill(dataSet, 0, 5, "Table")
        
        ' Modify DataSet
        Dim table As DataTable = dataSet.Tables("Table")
        table.Rows(0)(1) = "new product"
        
        ' add handlers
        AddHandler adapter.RowUpdating, AddressOf OnRowUpdating
        AddHandler adapter.RowUpdated, AddressOf OnRowUpdated
        
        ' update, this operation fires two events 
        '(RowUpdating/RowUpdated) per changed row 
        adapter.Update(dataSet, "Table")
        
        ' remove handlers
        RemoveHandler adapter.RowUpdating, AddressOf OnRowUpdating
        RemoveHandler adapter.RowUpdated, AddressOf OnRowUpdated
        Return 0
    End Function 
    
    
    Overloads Private Shared Sub PrintEventArgs(args As SqlRowUpdatingEventArgs)
        Console.WriteLine("OnRowUpdating")
        Console.WriteLine("  event args: (" & " command=" & args.Command.CommandText & _
           " commandType=" & args.StatementType & " status=" & args.Status & ")")
    End Sub 
    
    
    Overloads Private Shared Sub PrintEventArgs(args As SqlRowUpdatedEventArgs)
        Console.WriteLine("OnRowUpdated")
        Console.WriteLine("  event args: (" & " command=" & args.Command.CommandText & _
           " commandType=" & args.StatementType & " recordsAffected=" & _
           args.RecordsAffected & " status=" & args.Status & ")")
    End Sub 
End Class

开发者ID:VB.NET开发者，项目名称:System.Data.SqlClient，代码行数:61，代码来源:SqlRowUpdatedEventArgs

注：本文中的System.Data.SqlClient.SqlRowUpdatedEventArgs类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。