See:
Bring the total from a subreport back onto the main report
at:
http://allenbrowne.com/casu-18.html
It explains how to test the HasData property, and explains the use of the
..Report bit when referring to the report in a subreport.
--
Allen Browne - Microsoft MVP. Perth, Western Australia
Tips for Access users -
http://allenbrowne.com/tips.html
Reply to group, rather than allenbrowne at mvps dot org.
"ThickMike" <(E-Mail Removed)> wrote in message
news

3F5F0C1-7948-4719-B256-(E-Mail Removed)...
> Hi all
> Apologies if this has been answered before but I can’t find it.
>
> I have a main Report with a Group called “Product_Category” which lists a
> number of “Products” in the Detail
>
> I have a Subreport named “product_costs” which has a record for each date
> and Text Boxes named “materials” and “fuel” (there are more but I’ll keep
> it
> simple).
> The Subreport sums all costs and has Text Boxes named “summaterials” and
> “sumfuel” in the footer (all with a height of 0.1cm)
> The Subreport is embedded in the Detail of the Categories and linked by
> Product_id
>
> In the Detail of the Main Report there are Text Boxes named
> “prodmaterials”
> and “prodfuel” (all with a height of 0.1cm) which reference “summaterials”
> and “sumfuel” in the Subreport footer.
> Also in the Detail section, there is a Text Box named “sumprodcost” whose
> Control Source is “=[prodmaterials]+[prodfuel]”. So far, so good – it all
> works fine
>
> I now want “Category” footer and the Report footer to sum “materials”,
> “wages” and “fuel”. I would have thought the Control Source should be
> “=sum([prodmaterials])”, etc. but it doesn’t work. Nor does
> “=Sum([product_costs].[Report]![Summaterials]).
> The Text Boxes are blank whatever I try. I do not get #Error
>
> I have other Text Boxes relating to the “Product” in the Detail and
> summing
> those in the Footer do work.
>
> All cost Text Boxes are formatted as Fixed with zero Decimal Places
> I suspect the problem might be that the Subreport is in the Detail rather
> than Header or Footer. But it takes up less space the way I’m trying it.
>
> What do I do to make it work?
>
> I know I can do away with the subreport, link costs in the underlying
> query
> and have an extra Group for Product and costs in the Detail. But, I would
> rather not do that as it takes up more space on the Report
>