在下面的代码中,我有嵌套的函数/子
发生的意思是如果有异常然后在代码所在的任何地方停止并将异常添加到全局变量并转到“如果有异常则转到此处”下面的行
由于下面的代码不起作用,我该怎么做?这肯定很容易吗?
下面如果异常发生在 Inner_B() 中,那么它会被 Inner_A() 捕获,但我想在 Inner_B() 中捕获山雀
Partial Class _Default
Inherits System.Web.UI.Page
Dim textOutput As String = String.Empty
Dim strErrorMesssage As String = String.Empty
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Outer()
'If there was an exception then go here'
End Sub
Private Function Outer() As String
Try
Inner_A()
Catch ex As Exception
strErrorMesssage = ex.Message
Throw
End Try
textOutput &= " Function Outer"
Return " Function Outer"
End Function
Private Function Inner_A() As String
Try
Inner_B()
Catch ex As Exception
strErrorMesssage = ex.Message & " Inner_A() "
Throw
End Try
textOutput &= " Function Inner_A"
Return " Function Inner_A"
End Function
Private Sub Inner_B()
Throw New ApplicationException("Exception Occured")
Try
Inner_C()
Catch ex As Exception
strErrorMesssage = ex.Message & " Inner_B() "
Throw
End Try
textOutput &= " Sub Inner_B"
End Sub
Private Function Inner_C() As String
Try
Catch ex As Exception
strErrorMesssage = ex.Message & " Inner_C() "
Throw
End Try
textOutput &= " Function Inner_C"
Return "Inner_C"
End Function
End Class