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	[x] Attachment Details

Is there a way to make a report accept a recordset / temp querydef object as its data source? (acc 97)

Zone: Microsoft Access Database

I'm using Access 97 to report on an ODBC linked database. Mostly, it works fine using attached tables and locally-defined and processed queries/reports. My trouble is when I'm querying a particularly large table (>45000 records).

The current situation is that I have an ordinary select query that returns the entire table, having performed a few left joins to pick up ancillary data from other attached tables. This query is the recordsource for a report, and code in the report's OnOpen event handler asks the user for a date range, and sets the Filter property accordingly.

Private Sub Report_Open(Cancel As Integer)

Dim dtStart As Date
Dim dtEnd As Date
Dim strTmp As String

dtStart = InputBox("First Date")
dtEnd = InputBox("Last Date")

strTmp = "[SHEET_DATE] >= " & Format$(dtStart, "\#d mmm yyyy\#") _
& " AND [SHEET_DATE] <= " & Format$(dtEnd, "\#d mmm yyyy\#")

Me.Filter = strTmp
Me.FilterOn = True

This works, but it's terribly slow. Making the query passthrough makes it many orders of magnitude faster, if and only if the date range is hard-coded into the SQL. I need the date range to be user-specified. I could write some code to alter the SQL in the query definition, before activating the report, but then the query definition gets changed on a permanent basis, and for all users of the application, rather than just the current user.

So basically, the task seems to be:

1. Construct the SQL on-the-fly, incorporating user input in the WHERE clause;

2. Pass the SQL through to the ODBC driver so it can select the records at the server

3. Make the Access report accept the resulting records for printing.
pass the WHERE clause through to the ODBC driver, but also make the WHERE clause

If I could find a way to make a report accept a RecordSource or temporary QueryDef object as its data source, then I could do it. Is this possible? Is there another way to achieve the same result?

Many thanks

Vijay Samtani

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6.2

Question Stats

Zone: Microsoft

Question Asked By: vsamtani

Solution Provided By: DennisBorg

Participating Experts: 4

Solution Grade: A

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