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  1.  Home
  2. RPG400-L
  3. July 2022

Re: equivalent data type for packed field in Display file

it appears when fields on SDA are defined directly then with EXFMT it
behaves differently compared to the fields which have been defined in the
DDS of the Display file using REFFLD?

As When this field is displayed on screen and when some value is placed
from the screen in to it it and then after pressing enter and once it's
prompted to check what was entered in this field is displayed or not it
does not show the entered values whereas the other field which is defined
using REFFLD inside DDS of Display file shows the values in the same way
when value is entered in it.

Why is it so different here?


Thanks

On Wed, 27 Jul 2022 at 01:13, Alan Campin <alan0307d@xxxxxxxxx> wrote:

Funny isn't it. I am the always pushing new things and getting nothing but
flak for doing it but in this case I just don't see the value. I guess I
should have said I just don't see the value in switching rather than I am
too old.

On Tue, Jul 26, 2022, 12:26 PM Charles Wilt <charles.wilt@xxxxxxxxx>
wrote:

If you're too old to learn new and better things Alan....

:D

Charles

On Tue, Jul 26, 2022 at 9:37 AM Alan Campin <alan0307d@xxxxxxxxx> wrote:

Sorry Jon. Way too old to be switching to new screen design aids. SDA
seems
easy to me. The monster is RLU. What a mess that is.

On Tue, Jul 26, 2022 at 6:32 AM Jon Paris <jon.paris@xxxxxxxxxxxxxx>
wrote:

SDA? Today Alan? For those of us who know it, its perversities are
second nature. But for a newbie it is tough because it really doesn't
work
like anything else in the universe.

For a newbie I would suggest either RDi which has a great screen
designer,
or if using Liam's VS Code extension for IBM i as your editor (which
is
where you should start if the shop won't buy RDi) use the new Preview
option which you can find here:



https://marketplace.visualstudio.com/items?itemName=HalcyonTechLtd.vscode-displayfile
<



https://marketplace.visualstudio.com/items?itemName=HalcyonTechLtd.vscode-displayfile



Jon P.

On Jul 25, 2022, at 5:48 PM, Alan Campin <alan0307d@xxxxxxxxx>
wrote:

Have you tried SDA (Screen Design Aid)? There is a bit to learn but
it
will
let you see a screen as it looks.

For the display file that you have defined, go to option 3 in PDM
to
display your display file source. Take option 17 and you should
see a
list
of record formats that you have defined. Take option 12 on the
record
format to display the screen. F4 will show you a list of fields in
the
record. F6 will sort them by location. If you wanted to define a
numeric
5,0 field for input and output (Both) you would type +9(5,0) and it
will
define the field for you where the cursor is. Putting ? in front of
the
field lets you rename it. Putting * in front of field allows you to
specify
editing on the field. I always use a different name for the fields
on
my
screens. For a standard, I B_ for Both fields, I_ for input, O_ for
output
and H_ for hidden fields. For example, if I had an order # that I
wanted
to
input to, I would do something like B_ORDER#.

Anyway, it would allow you to see what the screen looks like..


On Mon, Jul 25, 2022 at 1:47 PM Brian Parkins <
goodprophet.bp@xxxxxxxxx>
wrote:

I see a few problems with this.

- Almost all of DDS has to be coded in uppercase, unless it's in
quotes,
e.g. COLHDG('Jerry')
- As others have pointed out, you have left the Decimal Positions
blank
- so FLD1 would default to Character
- The keyboard shift numeric 'N' applies to input only and has no
bearing on output

You may have more luck with:
A FLD1 2S 0O 7 39
- but this supposes you don't have any overlapping fields which
would
result in FLD1 not being displayed. Don't forget you MUST leave at
least
one space between fields in a Display File, (so the attribute
bytes
don't overlap).

To respond to your earlier query, DDS has no concept of Packed
Numeric
fields, only Signed Numeric (Zoned Decimal). (You cannot
display/print a
Packed field because each byte - i.e. character position -
contains
2-digits.) RPG IV automagically redefines Signed Numeric field in
DDS
to
Packed Decimal in the program. (Look at the compiler listing to
prove
it
to yourself.)

Time to hit the manuals and programming guides?

Brian.

On 25/07/2022 15:42, jerry ven wrote:
i am also trying to define my field directly for the screen like
below
only difference is i am defining like below without using
EDTCDE-

A Fld1 2N O 7 39

But i don't see my field name 'FLD1' on the screen like above,
whereas
within the same DDS other fields which are defined using reffld
and
have
some text under Functions their data is displayed as is on the
screen.

So not sure how the field name could be displayed here if I am
not
using
REFFLD and Functions.in the DDS of display file.


Thanks

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