Help Code Explaination

tonypang

IF NOT (Ship OR Invoice OR Receive) THEN
ERROR(
Text020,
FIELDCAPTION(Ship),FIELDCAPTION(Invoice),FIELDCAPTION(Receive));

what mean of this line of code.
Ship, Invoice and receive= boolean type

Thank you

idiot

2 (x + y) = 2x + 2y

so NOT (Ship OR Invoice OR Receive) = NOT Ship OR NOT Invoice OR NOT Receive

tonypang

TempSalesLine.SETFILTER("Shipment No.",'<>%1','');


what mean by this line of the code?
%1 ?


Hope all the master can reply me.
Thank you.

tonypang

one more line need to help

TableIDArr[1] := DATABASE::Customer;
Thanks

David_Singleton

have you read the cside developers guide? at this rate you will get the whole thing copied and pasted here.

tonypang

yes.
Some of the code very difficult to understand .
I got go through all the note.
but i still can't understand post it here.
Thank you so much

David_Singleton

tonypang wrote:

yes.
Some of the code very difficult to understand .
I got go through all the note.
but i still can't understand post it here.
Thank you so much

%1 is in the manuals, so you should be able to learn that from them.

I know it can be hard, but step one is to read the manuals. If you don't want to read the books, then find a course and pay to take it.

tonypang

thank you.

jreynolds

idiot wrote:

2 (x + y) = 2x + 2y

so NOT (Ship OR Invoice OR Receive) = NOT Ship OR NOT Invoice OR NOT Receive

Be careful! The associative property for multiplication and addition does not extend in the same way to negation and logical operations. Check out De Morgan's laws (http://en.wikipedia.org/wiki/De_Morgan's_laws) for the correct relationship.

matttrax

idiot wrote:

so NOT (Ship OR Invoice OR Receive) = NOT Ship OR NOT Invoice OR NOT Receive

Yeah, that actually equals NOT Ship AND NOT Invoice AND NOT Receive. The NOT negates everything, and the negative / opposite of OR is AND.

But yes, you need to read the manuals more carefully, Tony. It's one thing if you are asking the purpose of code in the application, quite another if you are asking basic syntax questions.

Conditionals, setting filters, array syntax....every one of them is in the application designers guide or the development coursework.

Don't get discouraged. NAV takes a long time to learn well. Hard work will pay off.