[AccessD] Only allow 3 digits in a textbox

Christopher Hawkins CHawkins at aimworld.com
Fri Feb 14 13:31:00 CST 2003


Bob,

Remember the programmer's credo - the more complicated a solution, the more
fun it is to code!  ;)

Joe, Bob's idea is a good one.  But if you want to get the user more
involved in the proces, you could add code in the OnExit or AfterUpdate that
uses Len() to evaluate the length of the string and pops up a message box
prompting the user to enter appropriate data if more than 3 characters are
found.  If you want to be really strict, you can use SetFocus to keep the
user from tabbing out of that control until the 3-digit condition is
satisfied.


-Christopher-

-----Original Message-----
From: Bob Gajewski [mailto:bob at renaissancesiding.com]
Sent: Friday, February 14, 2003 11:25 AM
To: 'accessd at databaseadvisors.com'
Subject: RE: [AccessD] Only allow 3 digits in a textbox


Joe

Maybe this is an overly-simplistic approach, but why don't you just specify
an Input Mask (000;;_) or (990;;_) ?

Bob Gajewski

On Friday, February 14, 2003 13:41 PM, Joe Rojas [SMTP:JRojas at tnco-inc.com]
wrote:
> Hi All,
> 
> A2K - unbound form
> 
> I am trying to create a textbox that only allows whole numbers AND only
> allows three digits 
> 
> I am working with the KeyPress event of this textbox 
> 
> What I have so far only allows digits to be entered, but I can't determine
> the length of the textbox. If I use Me.textbox or Me.txtbox.Text or
> Me.txtbox.Value it returns Null regardless of the actual contents of the
> textbox 
> 
> Here is what I have so far:
> 
> 
> Private Sub txtNumOfOccurr_KeyPress(KeyAscii As Integer)
> 
> If (IsNull(Me.txtNumOfOccurr)) Or (Not (Len(Me.txtNumOfOccurr) = 3)) Then
>    		If Not (IsNumeric(Chr(KeyAscii))) And (KeyAscii <> 8) Then
>         			KeyAscii = 0
>     		End If
> Else
>    		KeyAscii = 0
> End If
> 
> End Sub
> 
> Any ideas?
> 
> Thanks,
> 
> Joe Rojas
> jrojas at tnco-inc.com
> 
> 
> 
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