papparuff at comcast.net
papparuff at comcast.net
Wed Jan 2 14:23:05 CST 2008
Chester,
I would use two queries and code to capture your data.
1. Query 1 captures the last date where the measurement is < 101. I called this query qryLastMeasurement.
SELECT Last(tblTest.fldDate) AS LastDateUnder101
FROM tblTest
WHERE (((tblTest.fldMeasurement)<101));
2. Query 2 would use query 1 and capture the number of records that are greater than 100 with dates greater than the one captured in the first query. This query's name is qryTotalMeasurements.
SELECT Count(tblTest.fldMeasurement) AS TotalOver100 FROM tblTest, qryLastMeasurement
WHERE (((tblTest.fldDate)>[Lastofflddate]) AND ((tblTest.fldMeasurement)>100));
3. Here's the procedure to capture the total.
Public Sub CountMeasurements()
Dim dbs As DAO.Database
Dim rst As DAO.Recordset
Dim intTotal As Integer
Set dbs = CurrentDb
Set rst = dbs.OpenRecordset("qryTotalMeasurements")
intTotal = 0
Do While Not rst.EOF
intTotal = rst.Fields(0)
rst.MoveNext
Loop
EarliestDate = intTotal
rst.Close
dbs.Close
Set rst = Nothing
Set dbs = Nothing
End Sub
Will this work for you?
papparuff
--
John V. Ruff The Eternal Optimist :-)
Commit to the Lord whatever you do,
and your plans will succeed. Proverbs 16:3
-------------- Original message --------------
From: "Kaup, Chester" <Chester_Kaup at kindermorgan.com>
> I use the following code to loop through a record set until the field
> being checked is less than 100. This works great unless I run out of
> records before the condition is met. When that happens
>
> Earliest date is equated to nothing (no current record). What might be a
> better way to do this? Thanks.
>
>
>
> Do Until Myds1.EOF
>
> Select Case Myds1.Fields(4)
>
> Case Is > 100
>
> Myds1.MoveNext
>
> Case Else
>
> Exit Do
>
> End Select
>
> Loop
>
> EarliestDate = Myds1.Fields(1)
>
>
>
> Chester Kaup
>
> Engineering Technician
>
> Kinder Morgan CO2 Company, LLP
>
> Office (432) 688-3797
>
> FAX (432) 688-3799
>
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