Maybe you should post the SQL of your query ...
/gustav
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Question
How to have date criteria for a query generate from a form?
How can I convert a query to reference a date in a form? If I enter a static date as #09/30/2009# my query returns expected results. When I try to create a popup by entering [Date] in my qurey or have it reference my form - [Forms]
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Answers
LPD: DateDiff ("d", [Forms]![frmGenerateSummar
Avoid math operations directly on dates unless you are sure what the dates will be and you really know what you are doing.
About dotes in Access:
Access stores all dates as doubles as the number of days since 12/30/1899 12:00:00 AM (Format(0,"mm/dd/yyyy hh:nn:ss AM/PM") = 12/30/1899 12:00:00 AM). For example 09/11/2005 10:56:40 AM is stored as 38606.4560185185 or 38606.4560185185 days since 12/30/1899 12:00:00 AM (CDbl(#09/11/2005 10:56:40 AM#) = 38606.4560185185). You can input and display the date/time in any format you choose.
Time without a date will default to 12/30/1899 since the integer portion of the double is zero.
Date without a time will default to Midnight since the fractional portion of the double is zero.
DateDiff does not give fractional time periods so if you want hours plus fraction use:
DateDiff("n",Date1,Date2)/
if you want hours and minutes use:
Format(DateDiff("n",Date1,
Also keep in mind that Access is an American product so VBA is sometimes expecting mm/dd/yyyy even when the regional setting is set for something else. yyyy/mm/dd will always work for VBA input.
Hi
The # posted above should work...You can also try cdbl() function which seems to work for me which I use for all date related stuff (fields,forms etc). and avoids UK/USA date issues I get very often! But that is only my prefernce I don't think is common use.
It is usually a good idea to use datediff function as well to avoid issues with Date + time (or now() function)
Regards
Emil
Thanks so much. You really know your stuff.
What I have to do is calculate how many days since the last payment. and Last Payment Date is in my table...
When I enter LPD: DateDiff ("d", [Forms]![frmGenerateSummar
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by: thenelsonPosted on 2009-10-31 at 10:26:29ID: 25710561
You still need the pound signs so:
"#" & [Forms]![frmGenerateSummar
Vba data type-declaration characters:
Number (base 10): No type-declaration character needed (the number will automatically be converted to the type needed)
example: 1234, 67.77
Required data type-declaration characters:
String: Bracket with quotation marks or apostrophes (required)
example: "This is a string" or 'this is a string'
date/time: Bracket with pound signs (required)
example: #6/1/1947#, #June 17, 1999#, #3:30Pm#, #1/5/63 2:33#
Hexadecimal number: Precede with &h
example: &H10
0ctal number: Precede with &o
example: &O10
optional, explicitly specified data type-declaration characters:
Integer: Append with percent sign
example: 1234%
Long: Append with ampersand
example: 67877768&
Currency: Append with at sign
example: 62.45@
Single: Append with exclamation point
example: 123.777!, 67.00!
Double: Append with number sign
example: 677767.8888#