Programmatically change a controls format property

I have a search form that has 2 unbound controls a combo box (cboSearchField) and a text box (txtSearchString) the combo box is used to select the search criteria and the Text box is the search string, one of the criteria is a date (CountDate). What I want to do is programmatically change the controls format property to “Short Date” when the combo box contains CountDate, so that the calendar displays, and reset it back for non-date searches. BTW this is Access 2007.
skull52Asked:
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GRayLCommented:
What other search criteria do you have - numbers, boolean, strings?
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pdebaetsCommented:
In the AfterUpdate event procedure for the cboSearchField control, put

if cboSearchField = "CountDate" then
    txtSearchString.format = "Short Date"
else
    txtSearchString.format = ""
end if

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You may also need to put this code in your form OnCurrent event procedure. You can create a subroutine that contains the above code, and execute it from both the control AfterUpdate and form OnCurrent event procedures.

I don't think the calendar will appear unless the date field is a bound control.
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skull52Author Commented:
Text, Yes/No
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skull52Author Commented:
pdebaets,
The calender does appear, with unbound controls, I will test your code.
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skull52Author Commented:
pdebaets
I tried putting the code where you suggested in the AfterUpdate and OnCurrent events but it didn't work, so I added it to the GotFocus event of txtSearchString and added .Value to cboSearchField  of your code and that seemed to work. Thanks for the help.
 
Private Sub txtSearchString_GotFocus()
If cboSearchField.Value = "CountDate" Then
    txtSearchString.Format = "Short Date"
Else
    txtSearchString.Format = ""
End If
End Sub

Open in new window

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skull52Author Commented:
See my last post for further instructions
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