CHAIN

OPNQRYF

Is it possible to access a file created by opnqryf in an RPG/400 program using keys? I have defined the KEYFLD parameter but the RPG doesn't find the records when using READE or CHAIN

RPG/400 CHAIN opcode

Hi,anybody tell me how to find the end of file situation while reading through the CHAIN opcode on a file in RPG/400 and in RPGLE. I think RPGLE we have %found built in function.thanks

Physical File Without Key

Hi guys, Currently i'm using RPGLE language. If i have a Physical File that without key, How am i going to set my pointer. I can't CHAIN,SETLL and SETGT as well. In order to use them, u need have a key. Am i rite? Is there any idea to solve this matter? Thanks!!!!

RPG/400 - CL command to search a record like CHAIN opcode in RPG

Please advice we have any command there in CL to search or find a record like CHAIN opcode in RPG.

Clearing a PF record on AS/400

I'm chaining a field to a unique keyed PF. I'm getting a not found indicator so I'm trying to write the record but I receive a duplicate key error. How this can be I do not understand. A colleague suggested that a field (or fields) within the record might be a key of other LF's over the file and...

AS/400 - Physical File in update mode

hi all, i have a physical file i need to update that file (not append) ,I opened that file in update mode eg F MYFILE UF E K DISK (i didn't mention 'A' because i dont need to append records) now after certain checks i update (any field) with syntex. UPDATE RECORD FORMAT ...

Record existence

How do you know if a record exists without doing a READ and CHAIN?

Chain operation

Can we do chain opertation on record format name instead of the file name?

updating pf using simple rpg/400 code.

How can i update a pf using simple rpg code.and please also explain with examples use of setll, chain, setgt, Readc and sflnxtchg?

How to fetch data from physical file using RRN value of a record ?

I want to fetch / read a record with given RRN value in rpg. How to read a record for which only RRN value is given, in RPG ?

READ FROM SUBFILE

Hi, I have a problem in reading my subfile: After loading the subfile and display that on screen, I want to read the records of subfile and write them on preint file. But inspite of managing the RRN, every CHAIN command get the last record of subfile. here is the code: C EVAL ...