Extracting Next months data based on a date field

Hello experts,
I have a table holding a date field (Maintenance visits due).
I need to be able to run a report at any time in the current month that shows visits due next month.
So in December i need to see records for Jan etc etc.
My date field is "NextMaint" and I can a query that gives me the month for that 'Month: Format([nextmaint],"mm")' and the current month 'Currentdate: Format(Now(),"mm")'
However, I am a bit lost from there. Any help greatly appreciated.
iainmacleodAsked:
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Pawan KumarDatabase ExpertCommented:
You can use DateADD to get the next month.

DateAdd("mm", 1, NextMaint)

Try like this..

Format(DateAdd("mm", 1, NextMaint),"mm")'
Bill PrewIT / Software Engineering ConsultantCommented:
You can select all records for next month with a query like below.  This selects all dates greater or equal to the first day of the next month, and less or equal to the last day.

SELECT *
FROM tblTest
WHERE (((tblTest.NextMaint)>=DateSerial(Year(DateAdd("m",1,Now())),Month(DateAdd("m",1,Now())),1)
AND (tblTest.NextMaint)<=DateSerial(Year(DateAdd("m",2,Now())),Month(DateAdd("m",2,Now())),1)-1));

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Bill PrewIT / Software Engineering ConsultantCommented:
You can also do the following, although depending on data size and if the date field is indexed the prior may perform better.  But this one reads simpler :-).

SELECT *
FROM tblTest
WHERE Year(tblTest.NextMaint) = Year(DateAdd("m",1,Now())) 
AND Month(tblTest.NextMaint) = Month(DateAdd("m",1,Now()));

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»bp

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Bill PrewIT / Software Engineering ConsultantCommented:
And probably a little safer for the boundary days in case they have time components...

SELECT *
FROM tblTest
WHERE tblTest.tstDate>=DateSerial(Year(DateAdd("m",1,Now)),Month(DateAdd("m",1,Now)),1) 
AND tblTest.tstDate<DateSerial(Year(DateAdd("m",2,Now)),Month(DateAdd("m",2,Now)),1);

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»bp
Pawan KumarDatabase ExpertCommented:
You can use like below -
DATEVALUE.

SELECT * FROM yourtableName
WHERE NextMaint BETWEEN DATEVALUE(Now()) AND DATEVALUE(DATEADD( "m",1, Now()))

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iainmacleodAuthor Commented:
Thank you both very much.
I went with Bills solution in the end, but great to have the knowledge of both.
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