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vb.net 验证输入内容是否是数字
1个回答
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Private Sub TextBox1_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.LostFocus
if IsNumeric(TextBox1.Text()) = False Then
MsgBox("内容不是数字")
End If
End Sub
if IsNumeric(TextBox1.Text()) = False Then
MsgBox("内容不是数字")
End If
End Sub
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