我正在尝试使用Javascript显示Try Catch Block中捕获的错误消息。请看我的代码。如果我正常调用它,同样的javascript函数工作正常,但它不能从catch块调用。这不可能或我做错了什么?还有其他选择吗?
非常感谢。
Try
Messagebox("Hello World") **'This works**
Throw New Exception("OH NO")
Catch ex As Exception
Messagebox(ex.Message) **'This doesn't work**
End Try
Protected Sub Messagebox(ex as string)
'show ex as javascript error message
Dim sb as stringbuilder = "javascript code here"
Page.ClientScript.RegisterClientScriptBlock(Me.GetType(), "uniqueName", sb.ToString())
End Sub