The form to update the table - fields that calc

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

Hello, I am new at this-
I made a form of a table- I needed to do some calculations to get fields to
multiply - My Table don't show the amount as shown on the totals field in
the form.
The form works nice- but the table does not- I need to query the table- I
can't query
the form. If some can help- I will appreciate it.
 
Hello, I am new at this-
I made a form of a table- I needed to do some calculations to get fields to
multiply - My Table don't show the amount as shown on the totals field in
the form.
The form works nice- but the table does not- I need to query the table- I
can't query
the form. If some can help- I will appreciate it.
Click to expand...

Storing derived data such as this in your table accomplishes
three things: it wastes disk space; it wastes time (almost
any calculation will be MUCH faster than a disk fetch); and
most importantly, it risks data corruption. If one of the
underlying fields is subsequently edited, you will have data
in your table WHICH IS WRONG, and no automatic way to detect
that fact.

Just redo the calculation whenever you need it, either as a
calculated field in a Query or just as you're now doing it -
in the control source of a Form or a Report textbox.

John W. Vinson[MVP]
 
Thanks John Vinson :)
It works ok for me- I have the invoices , the proposal forms and I get
the tax the totals for many things- I like using a database that allows
me to do my own format-
I will put more time in learning reports and querrys-

thanks for taking the time to answer :)
until latter
hrlock
 
Back
Top