Hi Charles, I have attached an STR which hows a Keep as Total can force a related field to be created in a foreign panel, when it otherwise wouldn't.
As a simple example the AutoCreate field on a datalink doesn't always
AutoCreate. It relies on something being typed into the field with the
DataLink but if you use a calculated value for it, it doesn't AutoCreate.
In the Test.dat panel and just type in your name and save the record, exit the
panel and then look at the Categ.dat and Categ2.dat panels. The second has
the category but the first doesn't.. If you create a second record in the
test.dat panel, but instead of accpeting the calculated category type something
else in that field, and you will create the related record. Both Category
fields are the same, but the second one uses the Keep a Total. Normally I
would hide the links and the fields.
Ralph Alvy's book discusses many of the uses of the Keep A Total field. It
really is a great feature of DP, a feature which is totally missing from
products like Microsoft Access, and which requires good SQL programming skills
to implement in SQL type databases like SQL server, MySQL, Oracle etc.
Regards
Brian
----- Original Message -----
From: Charles G. Wolf
To: Dataperfect Users Discussion Group
Sent: Monday, February 18, 2008 2:06 PM
Subject: Re: [Dataperf] Mailing list management
Brian,
Would you give me an example of the use of forcing DP to create related
records when it might otherwise not, please.
And thanks for your great suggestions. You dazzle me!
Charles
Brian Hancock wrote:
You could place a second field on the parent panel and initialise it to say
"X" on create, and set a formula to have it change to "" when the kept total
field reaches 2. You can then use an Exception List onthe index so that if that
field is empty then the record is not visible. (Remember not to keep an
exception list on all indexes, otherwise the record will be hidden from
everything until you remove the exception list... even export and imports will
might cause you to create orphaned child records...
The Keep a total is one of my favourite things with DP. Apart from keeping
total and setting flag you can use it for such things as forcing DP to create
related records when it might otherwise not, and you can use it for conditional
incrementing when you do not want to use recursive numbering . (For instance
line numbers in invoice details, and then use formula on Create to use the kept
total + 1 as the next line number, etc... btw recursive number is better in
that case anyway., just harder to implement.)
Regards
Brian
----- Original Message -----
From: Charles G. Wolf
To: Dataperfect Users Discussion Group
Sent: Monday, February 18, 2008 10:36 AM
Subject: Re: [Dataperf] Mailing list management
Hi Brian,
That is exactly what I'll do. I forgot about Keep a Total because I've
never used it! Your suggestion is easy to implement.
Any idea on how to mark hte date when the record reached two returns and
thus, is off the list?
Charles
P.S. I solved the previous problem by creating an "Outside List" child
panel, with an indicator in the parent panel whether there are records in the
child panel. Then with each mailing that's been specified from the outside
source, I import their list into the Outside List panel (my unique ID is still
with their record), run the report that creates the mailing record, then delete
the records from the Outside List panel. Works like a dream.
Brian Hancock wrote:
Hi Charles,
I guess you are storing returns in some child panel? If so, using Keep
a Total, can be used to count the number of records matching a criteria (ie
formula on a flag field indicating 1 or 0 . The kept total is on the parent
panel, and if you do not want to chow it or take up valuable real estate then
use a G9::H field. Refer to that field to check that it is less than 2 when
send ing mailings.
Regards
Brian
----- Original Message -----
From: Charles G. Wolf
To: DataPerfect Users Discussion Group
Sent: Monday, February 18, 2008 10:01 AM
Subject: [Dataperf] Mailing list management
Hi Everybody,
Does anybody here have experience with mailing list management?
Specifically, I want to track returns, so after two returns, the name is
flagged off the mailing list. I also want the date the name was flagged off
recorded.
Any suggestions?
Thanks.
Charlie Wolf
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