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Thread: Ignoring 1s and 0s in a TextBox

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  1. Aug 3rd, 2012, 10:29 PM #1
    OmeshPH
    OmeshPH is offline

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    Ignoring 1s and 0s in a TextBox

    I'm new to Visual Basic express 2010 and I'm trying to figure out a tiny code to get my TextBox to ignore 1s and 0s and clear the TextBox.
    This is what I have currently :

    Code:
    If (txtPhoneNumber.Text) = ("1") Or ("0") Then
                    txtPhoneNumber.Text = ""
                    MessageBox.Show("Phone Numbers Must Not Contain 1s or 0s!", "Input Error", MessageBoxButtons.OK, MessageBoxIcon.Error)
                End If
    The current code doesn't work at all so I'm looking for something that will.

    Thank you in advance for looking!
    Last edited by OmeshPH; Aug 3rd, 2012 at 10:50 PM.
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