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Access 2003:  Report - Group Totals

Posted on 2011-03-23
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Last Modified: 2012-05-11
Hi EE,

Would like to group total, the number of credits appearing on each detail line....

However, in the detail processing, am setting the credits field on the report to an alpha literal
if it's value is 0.

So am concerned what the group total will total, the underlying field, or the literal.

So should i code for the group total credits something like this:

=Sum(IIf(IsNumeric([[Credits Earned]),[Credits Earned],0)

Pls advise, tx, sandra
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Question by:mytfein
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5 Comments
 
LVL 21

Accepted Solution

by:
Boyd (HiTechCoach) Trimmell, Microsoft Access MVP earned 334 total points
ID: 35205167

In Access 2003 you should be able to  use:

=Sum(IIf(IsNumeric([[Credits Earned]),[Credits Earned],0)

To convert a literal string to a numeric value use the Val() function.

Depending on your data you might be able to use this:

=Sum(Val([Credits Earned]))



0
 
LVL 15

Assisted Solution

by:Simon Ball
Simon Ball earned 166 total points
ID: 35205315
i think you will be performing the sum on the underlying data set for the report, and not the control on which you have performed the switch to alpha?

so your sum should work.
0
 
LVL 21

Assisted Solution

by:Boyd (HiTechCoach) Trimmell, Microsoft Access MVP
Boyd (HiTechCoach) Trimmell, Microsoft Access MVP earned 334 total points
ID: 35205499
Try:

=Sum(IIf(IsNumeric([[Credits Earned]),Val([Credits Earned]),0)
0
 

Author Comment

by:mytfein
ID: 35208418
Tx guys for writing,

truthfully, i got this idea from another EE post....

i don't understand how the Access grouping mechanism knows to do this SUM statement
with an implicit GROUP BY

Also, normally i like writing SQL bec. if feel more control but what the diff bet:
=SUM   and   =DSUM  (btw, i notice that DSUM does have a where parameter)

pls advise, tx, s
0
 

Author Comment

by:mytfein
ID: 35208831
Hi Guys,

thank you HiTech for teaching about the val function. Did not know about it, and it's great bec. it
works with data type double which i needed.

so i'm trying HiTech's statement of:

=Sum(IIf(IsNumeric([[Credits Earned]),Val([Credits Earned]),0)

in a control in the group footer, and when i click ok, the control source of the control does not update
to the above formula....

if you have a minute, below is the mdb, can u try iupdateing the footer control pls?

tx, s
2011-03-25-EE-sum-.zip
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