MS Access Validate date format : access, date, ms, format

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12.06.2007 at 12:46PM PST, ID: 23007190

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7.6

MS Access Validate date format

Zones: Access Forms, Microsoft Access Database

Tags: access, date, ms, format

This is my third post for this topic. Think I'm almost there.
For those that have helped me get this far, thank you.

I need to add / modify the code below to check for international date format and prompt the user to reenter the data in the format mm/dd/yyyy

For example if the user enters 25/1/07 (International format dd/m/yy) the value that gets stored in my table is 1/7/2025

I tried various attempts at checking to make sure the first two digits were less than 12 with no luck.

Assistance is greatly appreciated.

         
             Private Sub Txt_Date_Opened_BeforeUpdate(Cancel As Integer)
 
'Stop
 
If Not IsDate(Nz(Me.Txt_Date_Opened, "foo")) Then
   MsgBox "Please enter a valid date in the format mm/dd/yyyy"
   Cancel = True
   DoCmd.CancelEvent
Else: Me.Txt_Dt_Opened_Bound = Me.Txt_Date_Opened
End If
 
End Sub

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Question Stats

Zone: Microsoft

Question Asked By: TylerDerden

Solution Provided By: dds110

Participating Experts: 4

Solution Grade: A

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12.06.2007 at 12:50PM PST, ID: 20423158

Rank: Genius

jimhorn:

That's not going to be possible if the user enters 1/2/07, as it could be January 2nd or February 1st.

DatePart("d", SomeDay)

12.06.2007 at 12:51PM PST, ID: 20423166

Rank: Master

kelvinsparks:

Enclose Me.txt_Date_Opened in a format statement i.e. Format(Me.Txt_Date_Opened, "d/mm/yyyy").

This will change any valid date into this format

12.06.2007 at 12:55PM PST, ID: 20423195

Rank: Genius

DatabaseMX:

"the value that gets stored in my table is 1/7/2025"

Actually, no matter what the *format* - dates are stored as double precision numbers, with the date part to the left of the decimal point and the time value to the right of the number. So really ... it's up to you to format the date as required - independent of how it's actually stored.

Also, checking for Not IsDate should be a separate validation test, not specifically related to the format entered.

So, the user s/b able to enter the date in whatever format ... and then in the AfterUpdate, you can reformat the date to whatever style you need.

mx

12.06.2007 at 01:16PM PST, ID: 20423365

Rank: Master

dds110:

By far not an elegant solution, but, you could provide the users with three seperate textboxes, one each for day, month, year and then concatenate them later. Even better, you could provide them with a calendar to click on.

Just my 2 cents.

Accepted Solution

12.06.2007 at 01:59PM PST, ID: 20423733

TylerDerden:

Ah yes, the ActiveX Control Microsoft Date and Time Picke Cotrol 6.0.
Works perfect. I forgot about that one.
Hazards of doing this less than part time. lol.

Thank you every1 for your help.

DatabaseMX

12.06.2007 at 02:04PM PST, ID: 20423784

How does the date picker control guarantee you displaying the the correct format ?

mx

jimhorn

12.06.2007 at 02:06PM PST, ID: 20423805

Badly-worded question. Bah.

TylerDerden

12.06.2007 at 02:11PM PST, ID: 20423846

Its the data entry I was trying to control.
So many different ways to enter the same date:

In the table the field property format is set to Short Date.

Seems to work. The current records are displayed as mm/dd/yyyy
and the new records go in the table with the same format mm/dd/yyyy

No chance for the user to enter some strange format that gets past data validation and store an unintended date.

DatabaseMX

12.06.2007 at 02:12PM PST, ID: 20423856

Also, from a User interface standpoint ... forcing the user to always use a date picker will slow down data entry. Wherein a cool feature, I guarantee you that a typical person can type 12-5 (four characters) ... resulting in 12-5-2007 way faster than picking the date from a date picker.

mx

DatabaseMX

12.06.2007 at 02:14PM PST, ID: 20423881

"eems to work. The current records are displayed as mm/dd/yyyy
and the new records go in the table with the same format mm/dd/yyyy"

Again ... how a date is formatted at data entry time has zero bearing on how Access actually stores the date. I'm not trying to take anything away from the solution here ... just trying to point out some things that may not be obvious. IF ... I forces users to only use a date picker to enter dates ... I would be shot, lol.

mx

TylerDerden

12.06.2007 at 02:16PM PST, ID: 20423897

Yes, I agree with your comment. Since I'm a part-time-part-time Access Developer I went with the solution that I can create and maintian that gets the job done.
This is a low volume application. Around 30 - 40 entries a week so a small sacrifice is speed is worth what I gain in ease of development and maintenance on my part.

Trade offs. Always trade offs.

I do greatly appreciate everyones comments. Gives me a chance to learn various ways to solve a problem.

DatabaseMX

12.06.2007 at 02:26PM PST, ID: 20423989

On the other hand ... I often have a icon/button next to a date text box such that it pops up a date picker !

mx

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