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分享退格键的ASCii码值是多少？急。。。。。。。。。。。
退格键的ASCii码值是多少？如何知道键盘所有键的Ascii码值，我的代码是
Private Sub TextBoxPostcode_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBoxPostcode.KeyPress
Dim m_str As String = "-0987654321"
If m_str.IndexOf(e.KeyChar) = -1 Then
e.Handled = True
End If
End Sub
我输入中文竟然可以，如何让文本框只输入数字、“－”和退格，求助
Private Sub TextBoxPostcode_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBoxPostcode.KeyPress
Dim m_str As String = "-0987654321"
If m_str.IndexOf(e.KeyChar) = -1 Then
e.Handled = True
End If
End Sub
我输入中文竟然可以，如何让文本框只输入数字、“－”和退格，求助
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cnhgj 2003-09-13
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8
alexlcd2 2003-09-13
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eileendl(默默)的方法不能用，请给一段完整的代码
csmmn3 2003-09-13
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你很苯！孺子不可教！MSDN可以查的！有什么可以查MSDN！
flxa 2003-09-13
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8
altery 2003-09-13
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不错，试试就知道了，实践一下印象会最深
szch 2003-09-13
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应该是8,你可在KEYDOWN事件中自己试试e.keycode就知道了.
okyzx 2003-09-12
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8
panyee 2003-09-12
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e.KeyCode == 8时为退格
panyee 2003-09-12
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e.KeyCode == 8时为退格
panyee 2003-09-12
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8
eileendl 2003-09-12
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屏蔽输入法：
txt.ImeMode = ImeMode.Disable
只输入数字、“－”和退格:
private sub txtKeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtEdit.KeyPress
If (e.KeyChar < "0" Or e.KeyChar > "9") And Asc(e.KeyChar) <> Keys.Back and e.keychar<>"-" Then
e.Handled = True
End If
end sub
txt.ImeMode = ImeMode.Disable
只输入数字、“－”和退格:
private sub txtKeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtEdit.KeyPress
If (e.KeyChar < "0" Or e.KeyChar > "9") And Asc(e.KeyChar) <> Keys.Back and e.keychar<>"-" Then
e.Handled = True
End If
end sub
haiboll 2003-09-12
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在vs.net的帮助里有关于求ascii 码值的函数，你可以查一查！！！
