MS Access 2000... I have a textbox control on a form that requires a validation rule that will check for valid monthly periods to be entered. Example... allowable values for March 2006 would be 03/06 or 3/06 or 03/2006 or 3/2006. I have thought of using the left, right, & instr functions but am not having much luck. The control must remain a textbox. The form name is "AlsForm" and the textbox controls name is "AlsText1". Any ideas out there?
5  2469  dima69 181
Recognized Expert New Member
MS Access 2000... I have a textbox control on a form that requires a validation rule that will check for valid monthly periods to be entered. Example... allowable values for March 2006 would be 03/06 or 3/06 or 03/2006 or 3/2006. I have thought of using the left, right, & instr functions but am not having much luck. The control must remain a textbox. The form name is "AlsForm" and the textbox controls name is "AlsText1". Any ideas out there?
Use this for control's validation rule: - IsDate("20/" & [AlsText1])=True Or Is Null
nico5038 3,080
Recognized Expert Specialist
Best to place the code behind a Save button.
Try:
IF val(left(me.Als Text1,INSTR(me. AlsText1,"/"))) < 0 or val(left(me.Als Text1,INSTR(me. AlsText1,"/"))) > 12 then
' action invalid month
endif
if len(mid(me.AlsT ext1,INSTR(me.A lsText1,"/")+1)) <> 2 and
len(mid(me.AlsT ext1,INSTR(me.A lsText1,"/")+1)) <> 4 then
' invalid year length action
endif
Idea ?
Nic;o)
NeoPa 32,567
Recognized Expert Moderator MVP
MS Access 2000... I have a textbox control on a form that requires a validation rule that will check for valid monthly periods to be entered. Example... allowable values for March 2006 would be 03/06 or 3/06 or 03/2006 or 3/2006. I have thought of using the left, right, & instr functions but am not having much luck. The control must remain a textbox. The form name is "AlsForm" and the textbox controls name is "AlsText1". Any ideas out there?
In your position, rather than simply controlling the input, I'd let them put in whatever they like then, in the AfterUpdate event I'd check it and convert it to your preferred format. - Private Sub txtDate_AfterUpdate()
-
If IsDate(txtDate) Then
-
txtDate = Format(CDate(txtDate), "mm/yyyy")
-
Else
-
txtDate = ""
-
MsgBox 'Whatever
-
End If
-
End Sub
Thank you for you help. This worked great. Sorry it took so long to get back to you. Thanks again.
NeoPa 32,567
Recognized Expert Moderator MVP
No problem Alan.
It's good to hear that it helped :)
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