本文整理汇总了VB.NET中Microsoft.SqlServer.Server.SqlTriggerContext.TriggerAction属性的典型用法代码示例。如果您正苦于以下问题：VB.NET SqlTriggerContext.TriggerAction属性的具体用法？VB.NET SqlTriggerContext.TriggerAction怎么用？VB.NET SqlTriggerContext.TriggerAction使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类Microsoft.SqlServer.Server.SqlTriggerContext的用法示例。
在下文中一共展示了SqlTriggerContext.TriggerAction属性的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: TableAudit
<SqlTrigger(Name:="TableAudit", Target:="[dbo].[Users]", Event:="FOR INSERT, DELETE")> _
Public Shared Sub TableAudit()
Dim command As SqlCommand
Dim triggContext As Microsoft.SqlServer.Server.SqlTriggerContext
Dim reader As SqlDataReader
triggContext = SqlContext.TriggerContext
Select Case triggContext.TriggerAction
' Insert.
Case TriggerAction.Insert
Using connection As New SqlConnection("context connection=true")
' Open the context connection.
connection.Open()
' Get the inserted row.
command = New SqlCommand("SELECT * FROM INSERTED;", connection)
reader = command.ExecuteReader()
reader.Read()
' Retrieve data from inserted row.
reader.Close()
End Using
' Delete.
Case TriggerAction.Delete
Using connection As New SqlConnection("context connection=true")
' Open the context connection.
connection.Open()
' Get the deleted rows.
command = New SqlCommand("SELECT * FROM DELETED;", connection)
reader = command.ExecuteReader()
If reader.HasRows Then
While reader.Read()
' Retrieve data from deleted rows
End While
reader.Close()
Else
' No rows affected.
End If
End Using
End Select
End Sub