关于SelectedIndexChanged [英] About SelectedIndexChanged

问题描述

您好，

ListView1中有一些项目，但下面的代码中会出现错误，

为什么？谢谢。


*********************************** *************** **************

Private Sub ListView1_SelectedIndexChanged（ByVal sender As Object，ByVal e

As System.EventArgs）处理ListView1.SelectedIndexChanged

MessageBox.Show（ListView1.SelectedItems（0）.Index）

End Sub

解决方案

YXG，


当我们询问什么情况以及错误是什么时，我们会问多少？ />

Cor


" yxq" < ga *** @ 163.net>

您好，
ListView1中有一些项目，但下面的代码中会出现错误，
为什么？谢谢。

************************************* *********** **************
Private Sub ListView1_SelectedIndexChanged（ByVal sender As Object，ByVal e
As System.EventArgs）Handles ListView1.SelectedIndexChanged
MessageBox.Show（ListView1.SelectedItems（0）.Index）
End Sub

Private Sub ListView1_SelectedIndexChanged（ByVal sender As Object，ByVal e

As System.EventArgs）处理ListView1.SelectedIndexChanged

如果ListView1.SelectedItems.count> 0则

MessageBox。显示（ListView1.SelectedItems（0）.Index.T ostring）

endif

End Sub


blockquote>
< blockquote>错误是什么？

-

Mike


Mike McIntyre

Visual Basic MVP
www.getdotnetcode.com


" yxq" < GA *** @ 163.net>在消息中写道

新闻：ew ************** @ TK2MSFTNGP14.phx.gbl ...

你好， ListView1中有一些项目，但下面的代码中会出现错误，为什么？谢谢。

************************************* *********** **************
Private Sub ListView1_SelectedIndexChanged（ByVal sender As Object，ByVal e
As System.EventArgs）Handles ListView1.SelectedIndexChanged
MessageBox.Show（ListView1.SelectedItems（0）.Index）
End Sub

Hello,
There are some items in ListView1, but error will occur in the code below,
why? Thank you.

************************************************** **************
Private Sub ListView1_SelectedIndexChanged(ByVal sender As Object, ByVal e
As System.EventArgs) Handles ListView1.SelectedIndexChanged
MessageBox.Show(ListView1.SelectedItems(0).Index)
End Sub

解决方案

YXG,

Do we ask to much when we ask in what situation and what is the error?

Cor

"yxq" <ga***@163.net>

Hello,
There are some items in ListView1, but error will occur in the code below,
why? Thank you.

************************************************** **************
Private Sub ListView1_SelectedIndexChanged(ByVal sender As Object, ByVal e
As System.EventArgs) Handles ListView1.SelectedIndexChanged
MessageBox.Show(ListView1.SelectedItems(0).Index)
End Sub

Private Sub ListView1_SelectedIndexChanged(ByVal sender As Object, ByVal e
As System.EventArgs) Handles ListView1.SelectedIndexChanged
if ListView1.SelectedItems.count>0 then
MessageBox.Show(ListView1.SelectedItems(0).Index.T ostring)
endif
End Sub

What is the error?
--
Mike

Mike McIntyre
Visual Basic MVP
www.getdotnetcode.com

"yxq" <ga***@163.net> wrote in message
news:ew**************@TK2MSFTNGP14.phx.gbl...

Hello,
There are some items in ListView1, but error will occur in the code below,
why? Thank you.

************************************************** **************
Private Sub ListView1_SelectedIndexChanged(ByVal sender As Object, ByVal e
As System.EventArgs) Handles ListView1.SelectedIndexChanged
MessageBox.Show(ListView1.SelectedItems(0).Index)
End Sub

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