Show / Hide image if current day/month equals birthday

Dear Experts,

Okay...a little stumped on this one.

I want to show an image of a birthday cake (imgCake) only if the date in the student's birthday field (me.studentDOB) is equal to today's month and day.

Any ideas on vba syntax?

Thanks!
shogun5Asked:
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Jim Dettman (Microsoft MVP/ EE MVE)President / OwnerCommented:
In the on current event:

 If Month(Now()) = Month([Birthdate]) and Day(Now()) = Day([Birthdate]) then
     Me.<myimagecontrolname>.Visible = True
 Else
     Me.<myimagecontrolname>.Visible = False
 End If

 What the above does not take into account is leap years and someone born on 2/29.  Not sure how you want to handle that.  Some say on non-lean years, the birthday occurs on the 28th, others 3/1.

Jim.
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Gustav BrockCIOCommented:
You can use the function below and this expression:

    Me!imgCake.Visible = IsBirthday(Me!studentDOB.Value)

Public Function IsBirthday( _
  ByVal datDateOfBirth As Date, _
  Optional varDate As Variant) _
  As Boolean

' Returns True if date varDate (or today) is an annual birthday.
' Validates correctly Feb. 29. as Feb. 28. for non leap years and
' excludes annual birthdays earlier than the date of birth.
'
' Gustav Brock, Cactus Data ApS.
' 2000-12-20.
' 2008-05-12. Converted to stand-alone function.

  Dim datDate     As Date
  Dim booBirthday As Boolean
  
  ' No special error handling.
  On Error Resume Next
  
  If IsDate(varDate) Then
    datDate = Fix(CDate(varDate))
  Else
    datDate = Date
  End If
  booBirthday = (DateDiff("d", datDate, DateAdd("yyyy", Abs(DateDiff("yyyy", datDateOfBirth, datDate)), datDateOfBirth)) = 0)

  IsBirthday = booBirthday

End Function

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/gustav
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hnasrCommented:
Some variation from above:

Check this to flag a date if
                            equal months) AND   equal days
 OR
                                      28 days for Feb if birth was in a leap year.
Assume: date of birth (dob), and current date (dn)

Me.imageControl.Visible = ((month(dn)=month(dob)) AND ((Day(dn)=Day(dob)) OR ( Month(dob=2) AND (Day(dn) Mod 28)=(Day(dob) Mod 29) )))

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shogun5Author Commented:
Thank you!
0
Gustav BrockCIOCommented:
You are welcome!

/gustav
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