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keypress question

Posted on 2006-11-19
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Last Modified: 2010-04-23
Good Morning Troops

I have the following in the Keypress event for a textbox: I would like for it to handle other textboxs. As written it refers to only txtRentalpmt.text which imakes the handles statement ( handles anothertextbox.kepress) dependent on txtRemtalPmt.text

 Dim IntegerOnly As Boolean
        'Dim PositiveOnly As Boolean
        Dim KeyAscii As Integer
        KeyAscii = Asc(e.KeyChar) ' NOTE: used as a flag when = 0 to mark bad values
        Select Case KeyAscii
            Case 48 To 57, 8, 13 ' Digits 0 - 9, Backspace, CR.
            Case 46 ' Period (decimal point).
                If IntegerOnly Then
                    KeyAscii = 0
                Else
                    'If we already have one period, throw it away
                    If InStr(txtRentalPmt.Text, ".") <> 0 Then         '<-----------------Cant be dependent on this textbox
                        KeyAscii = 0
                    End If
                End If
            Case Else ' Provide no handling for other keys.
                KeyAscii = 0
        End Select
        If KeyAscii = 0 Then
            e.Handled = True
        Else
            e.Handled = False
        End If
0
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Question by:stephenz43
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5 Comments
 
LVL 10

Expert Comment

by:Kinger247
ID: 17975764
Handle all the textboxes in the handles part like:

    Private Sub KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress, TextBox2.KeyPress, TextBox3.KeyPress

    End Sub
0
 
LVL 10

Expert Comment

by:Kinger247
ID: 17975768
and change :

txtRentalPmt.Text

to

directcast(sender,textbox).text
0
 
LVL 10

Accepted Solution

by:
Kinger247 earned 2000 total points
ID: 17975778
Sorry to quick on the enter key , anyway ...

so the statement will look like ..

If InStr(directcast(sender,textbox).text, ".") <> 0 Then      
  KeyAscii = 0
End If

or change it to:

If DirectCast(sender, TextBox).Text.Contains(".") Then
  KeyAscii = 0
End If
0
 

Author Comment

by:stephenz43
ID: 17975820
Thank you
0
 
LVL 10

Expert Comment

by:Kinger247
ID: 17975824
no problem.
0

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