Subfile in rpgle pdf file

Earlier in my article i wrote a simple load all subfile in rpgle. A subfile is a group of records that is read from or written to a displaydevice file. Rules, examples, techniques and other cool stuff with cdrom. There is a single character field that will be used so that the user can enter a value to, for example, edit, view, delete, etc. Errsfl error subfile keyword for display files 118. Determine the logic flow of the program to control the screen. It takes less than 20 seconds to write complete subfile code. When the user positions through the subfile by scrolling or by keying something in the positionto field, the program will check to see if each record read from the data file exists in the data queue before loading it to the subfile. Refer this link for the sample physical file and display file used in this article. Thats exactly where it was the first time page 2 of the subfile was shown. When i rewrite a subfile record showing errors, i sometimes use the sflnxtchg keyword on the subfile record, which will set the recordlevel mdt modified data tag.

U single pagenonelastic subfile in this case sub file size sflsiz must be equal to subfile page sflpag. This field is initialized with zero and are referenced by the workstn file using file sf01sf. Start by reducing the number of visible rows by clicking the minus sign icon at the bottom of the subfile several times. A subfile is nothing but just displaying records in tabular format on a display device. Dec 05, 2010 subfile relative record number s1rrn s1rrn is defined on the fspec for the workstn file to assign the file s rrn field. Expandable subfiles in rpgle an expandable subfile is one in which ideally one page of records are loaded at a time. It should not be used for anything other than for that purpose. Or do you want to delete a record from one position and insert it in a different position thereby shifting other records too. Using chain to access a subfile record in free format.

The easiest way would be to create a pdf file from the spool file and then email it to the requestor. If we select 3 records to delete, i am loading this 3 records to another subfile and conformation is y, delete records from file. Mar 26, 2014 creating pdf files from spool files i have times when a user will request that a report be emailed to them, rather than printed and sent to them via the inter company mail. After clearing the subfile buffer, records equal to the size of sflpag is written. Then after i have reexecuted the screen, and go through a readc loop again, this subfile record will be found as one of the changed records, even if the user has not touched it again.

I find it useful for stress testing and for display puposes. Creating pdf files from spool files i have times when a user will request that a report be emailed to them, rather than printed and sent to them via the inter company mail. Jun 18, 2016 this utility can write subfile code for any given sql select statement with little or no user interaction. However, you may define the subfile size to be less than 9999 in the record format and still load all your subfile at a time. In addition, under os v3r2 and v3r7 the %parms builtin function was introduced. It can be an editable tabular format due to which it can be used in data entry screen, inquiry static screen or combination of both i. A subfile is a collection or subset of records from a data file that is processed as a unit using a list screen. After the first page, the file position will be at row 11. How do you do the same in rpg do think is it possible to read data from all the members in the rpg. As neil points out, fields named or constant in the control record all have to appear either above or below the subfile area. Puisamplesqrpglesrc grid007r to create a multiline subfile, you will first need to adjust the subfile row height to create space for the second line of data. The source for the display file and the product file used in the example follow the rpg source. With subfiles you can create a display file with lists of items.

If new records are to be added to a file, the file must have either a file type of o or an a in position 20 to denote that you plan to add records to the file being read file type i or updated file type u. I am the cofounder of partner400, a firm specializing in customized education and mentoring services for ibm i as. Write complete subfile code in less than 20 seconds. In this chapter well create a subfile which will show all the cards from a client given its id. How to create basic load all subfile in as400 ibm i. Load all in which all the records from the physical file or at max. When you read the subfile record, the system change the rrn to t. Initially the only the first one page of the subfile is loaded.

So you are correct that you need to edit the original file. Rpg stands for report program generator, it is a programming language. When several display sizes are used dspsiz keyword specified, sfldrop is ignored only for display sizes for which the subfile size equals subfile page. After clearing the subfile buffer, records equal to the size of sflpag is. This document contains an example of an invited display file with a subfile. Clearing a subfile hi pete, incorrect record number in subfile sflrcdnbr or sflsiz field. The reason that you are having the problem is because the program is using rrn field as relative record of subfile sfileformat. Redisplaying the first page of a subfile is a major annoyance to users. Here sub file size should 9999 or the number of records form pf which ever is less. Someone asked me if i could recommend an example simple subfile program written in rpgfree. Rpgle runs in integrated language environment and supports longer file field names. International technical support organization who knew you could do that with rpg iv. Readc read next changed subfile record the modern rpg iv. Makes it trivial to add sorting capability to the subfile and doesnt suffer from the where did that record go.

Theyre as400 objects that can be used to send and receive multiple recordlike strings of data. A load all subfile is one in which we generally specify the subfile size as 9999 in the record format itself. How to read subfile code400 the support alternative. For a zip file containing all the sources, click here. The question should be, can you display a subfile at the same time as another record format. Nov 27, 2016 one technique that i have used in the past and is even easier with the size increases of v6 is to use a load all approach but to store the subfile record images in memory. In the expandable subfile the subfile size must be at least one greater than the page size. This also sets me up for n11 sflclr, for initializing the empty subfile. Author of the definitive 2000 work subfiles in rpg iv. This chapter, subfiles and data queues a perfect combination, looks at how to incorporate all the features in the program development manager pdm into a subfile. Aug 05, 2012 deject d d recommended indicator usage for display files d d d indicator description d d 01 turns off the overlay when writing msgct d 10 subfile record dspatrhi d 20 subfile foldunfold mode d 21 subfile 1 end and enable rollup key d 22 subfile 2 end and enable rollup key d 23 subfile 3 end and enable rollup key d 24 subfile 4 end and. I have edited the ecb xml file to only have 2 days forex info, as i do not just to get the xmlinto program i am writing to work. This book begins with easytounderstand explanations of subfile concepts then goes on to offer a bounty of practical examples, advanced techniques.

This was rather disappointing as rpgle is over 21 years old, free format calculations 14 years old, even free format definitions rpg is in its. The extfile keyword specifies which file, in which library, is opened. At that time, if the user wants to go back a page, the prevsflrows value will cause that fetch to read the rows beginning at 31 20 or file position 11. This file is a millionplus file of cities of the world it is easily obtained on the internet. When the subfile is displayed, the workstation user can press the cf03 key to change the subfile from folded to truncated form and from truncated to folded form. If this is your first visit, be sure to check out the faq by clicking the link above. Dds keyword entries for display files positions 45 through 80. The code accompanying this article is available for download here. Unless you are running v7 you cannot handle namespaces with xmlinto. The sflcsrrrn keyword loads a fivedigit hidden field with the relative record number of the subfile record upon which the cursor is located. The article uses an example of a subfile with position to capability and presents the techniques and logic changes required to code a modified loadall, expanding or page.

Sorting data is something rpg programs often need to do. Subfile relative record number s1rrn s1rrn is defined on the fspec for the workstn file to assign the file s rrn field. Every time the record is written in the buffer, buffer is cleared before writing. This is the full source code for the subfile sort program that appeared in the may 2004 issue of the iseries extra newsletter. Introduction to printer file prtf in ibm i as400 youtube. Sending your own program created messages to the error subfile.

Kevin vandevers subfiles in rpg iv mc press, 2000 offered easytounderstand explanations of subfile concepts plus a bounty of practical examples, advanced techniques, and other cool stuff never before seen in subfile books. How to create a printer file and how to generate spool file using rpgle. Now, this popular manual has been updated from beginning to end to teach subfile concepts and programming techniques using freeformat rpg. For a display file which has multiple subfile record formats, you must not process readforupdate operations to one subfile record in between the input and update operations to another subfile in the same display file. After a few minutes of googling most of the examples i found were in rpgiii, a few were in fixed format rpgle, and a couple had free format calculations.

A subfile is a display file where you can place a listing of values and process changes on the list. The work with subfile program can be used as a prompt screen for returning. A subfile is one type of record format allowed in a display file. Creating a subfile profound logic documentation profound logic. How to create basic load all subfile in as400 ibm i youtube. On 11 n12, i write an alternate format which gives the no xxx found where the subfile would have been, like a uim dialog though, of course, its all indds in the code. To set the subfile record format, select the grid, and modify its record format. Youll need to use two keywords in the subfile control format. It may be that you are confusing the relative record number rrn with the sflrcdnbr. For the sake of this example i have simply stripped it off.

How to create a subfile program without using any native i. Sep 10, 2017 this view explains the basic steps to create your first load all sub file in as400 ibm i. Jun 05, 2012 subfile is buffer or cache which stores pf data into it before displaying it on display file. Sep 04, 2018 subfiles in rpg iv download september 4, 2018 subfiles can be specified in the dds for a displaydevice file to allow you to handle to use a subfile for a display device file in an rpg program, you must.

A subfile with paging by ibm i and highlevel language program. When the subfile control record is written to the workstation file, the subfile detail records also are written. In this article, we will use the same example using full free format rpgle. If the record exists in the data queue, its written to the subfile, along with the earlier changes. The list of members that you can see in the pdm is an example of a subfile. Actual program process is, loading and displaying subfile, in subfile screen, if we select option 5 to display and 4 to delete records from file. For user selection arecord format for subfile a r sfl1 sfl a opt 1 b 6 4 a cursym 3a o 6 12 a curname 20a o 6 21 arecord format for subfile control a r ctl1 sflctl. The answer is yes, but there are some things to consider.

Modern rpg for the modern programmer december 2016 sg24540201. Aug 21, 2003 this chapter, subfiles and data queues a perfect combination, looks at how to incorporate all the features in the program development manager pdm into a subfile application. Subfile relative record number, page size and page. To view or download the pdf version of this document, select dds for display files about 34 kb. This view explains the basic steps to create your first load all sub file in as400 ibm i. I have a physical file, i want to read the data from the each and every member of the file in the cl program. You can specify the value in any of the following forms. August 1992 we begin examining the coding of the display file and hll program along with the logic and structure of typical subfile programs. Session or device error occurred while using subfiles in. Due to the growing nature of this subfile, we also call is growing or elastic subfile. View in hierarchy view source export to pdf export to word. Subsequent pages are added to the subfile as per the user demand.

Indicators allow us to manipulate the status of the subfile from the rpg code. May 09, 2016 the subfile record is very simple with just four fields. Check video at topbottom of this page for more details. The cpu has to do something, so it does take time, its true. A warning message is sent at file creation if the entire record fits on a single display line. If you specify a file name without a library name, libl is used. The dds for the cities file used in this application note. How to create a subfile program without using any native io. If subfile size equals subfile page, sfldrop is ignored. Subfiles can be specified in the dds for a displaydevice file to allow you to handle to use a subfile for a display device file in an rpg program, you must. Rules, examples, techniques, and other cool stuff, this updated and expanded work is brought up to the present with freeformat rpg examples and other new material. Since then, several builtin functions have been added to rpg iv. To view or download the pdf version of this document, select dds concepts about 1170 kb. It is ibm product and used only in ibm i based systems.

As a registered member of, youre entitled to a complimentary copy of chapter 7 of subfiles in rpg iv. In that situation the records will not be placed at contiguous memory location. The templates are available on the iseries 400 for operation system v4r2. When the subfile is cleared, s1rrn should be reset to zero. No around the rrn thanks, jeff davis dental network of america booth martin sent by.

One technique that i have used in the past and is even easier with the size increases of v6 is to use a load all approach but to store the subfile record images in memory. Data may be sent to and received from a data queue from multiple. Create a display file that has the subfile dds built into it. After a few minutes of googling most of the examples i found were in rpgiii, a few were in fixed format rpgle, and a couple had free format. A subfile can be specified in the dds for a display file to allow a program to handle multiple records of the same type on a screen. To start viewing messages, select the forum that you want to visit from the selection below. If name refers to a subfile record format from an externally described display file, the data structure must be a data structure defined from the same file or record format, with output or all specified as the second parameter of the likerec or extname keyword. To understand subfile we require a pf with at least 20 data records. Update the update operation works the same in free format as before. Rules, examples, techniques, and other cool stuff written by kevin vandever and published by mc press. If the cursor is not located on a subfile record, this field is zero. The rrn uniquely identifies each row in your subfile and should be different for ea. Rpgiv template documentation prodata computer services. The subfile first of all loads the data in subfile buffer.