本文整理汇总了VB.NET中System.Data.SqlClient.SqlRowUpdatingEventArgs类的典型用法代码示例。如果您正苦于以下问题:VB.NET SqlRowUpdatingEventArgs类的具体用法?VB.NET SqlRowUpdatingEventArgs怎么用?VB.NET SqlRowUpdatingEventArgs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SqlRowUpdatingEventArgs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 CONNECTION_STRING As String = "Persist Security Info=False;Integrated Security=SSPI;database=northwind;server=mySQLServer"
Const SELECT_ALL As String = "select * from Products"
'Create DataAdapter.
Dim rAdapter As New SqlDataAdapter(SELECT_ALL, CONNECTION_STRING)
'Create and fill DataSet (Select only first 5 rows.).
Dim rDataSet As New DataSet()
rAdapter.Fill(rDataSet, 0, 5, "Table")
'Modify DataSet.
Dim rTable As DataTable = rDataSet.Tables("Table")
rTable.Rows(0)(1) = "new product"
'Add handlers.
AddHandler rAdapter.RowUpdating, AddressOf OnRowUpdating
AddHandler rAdapter.RowUpdated, AddressOf OnRowUpdated
'Update--this operation fires two events (RowUpdating and RowUpdated) for each changed row.
rAdapter.Update(rDataSet, "Table")
'Remove handlers.
RemoveHandler rAdapter.RowUpdating, AddressOf OnRowUpdating
RemoveHandler rAdapter.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