On their own, each feature is simple to code in an rpg subfile program. It should not be used for anything other than for that purpose. But the real fun begins when you combine the features. There are also links for concepts, using apis, and examples, which. Basic pro grams running up to 20 times faster a stunning show delighted the crowd at the whisman theater in mountain view last night. Redisplaying the first page of a subfile is a major annoyance to users. Meinikat mit dem spooldesigner pdfdokumente erzeugen, drucken, mailen, zugferd, qr code, swiss qr code. The following is an rpg subfile example with a selection option. You write to both subfiles, but use a toggle function key in the display routine to decide which sfl is shown.
Jul 30, 2010 left right scroll in subfiles i do this all the time with dds. Subfiles are specified in the dds for a display file to allow you to handle multiple records of the same type on the display. A subfile is a display file where you can place a listing of values and process changes on the list. At runtime, a period and the subfile row number is appended to element ids within a subfile. Sflnxtchg subfile next changed keyword for display files. Subsequent pages are added to the subfile as per the user demand. Session or device error occurred while using subfiles in rpgle. No matter what version of rpg youre using, you have an opportunity to take advantage of this fantastic tool that extends the rpg language in a way that. Window subfile you have to include the message subfile in the window.
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. Jan 23, 20 this also sets me up for n11 sflclr, for initializing the empty subfile. Example subfile program using modern rpg someone asked me if i could recommend an example simple subfile program written in rpgfree. Modern rpg for the modern programmer december 2016 sg24540201. Those steps could be combined into one process for the initial subfile load if you prefer. Depending on your file, this may not be appropriate for your situation.
The subfile first of all loads the data in subfile buffer. May 09, 2016 example subfile program using modern rpg someone asked me if i could recommend an example simple subfile program written in rpgfree. After clearing the subfile buffer, records equal to the size of sflpag is written. As a prelude to the specific code used to implement a subfile. Displaying the data from subfile buffer to the display device. International technical support organization who knew you could do that with rpg iv.
If subfiles in rpgle wants to go beyond that range, he subfiles in rpgle provide a new starting name to reposition the search, and the program then reloads the subfile. Subfile is a group of records of same record format and can be read from or write to the display in a single operation. Nov 25, 20 or do you want to delete a record from one position and insert it in a different position thereby shifting other records too. Aug 21, 2003 as a registered member of, youre entitled to a complimentary copy of chapter 7 of subfiles in rpg iv. Lines 32 display the header along with the contents of the subfile. Rpgiv template documentation users guide version 2. At the time of writing, pdf documents are not available for. Youll need to use two keywords in the subfile control format. Another big step forward for rpg a totally freeform program.
Subfile relative record number in rpgle solutions experts. Rules, examples, techniques, and other cool stuff written by kevin vandever and published by mc press. Replace the entire load subroutine with the code in 6b. Below downloadable pdf from scott explains the concept even further and it is worth reading it. Oct 18, 2011 rpgle renaming record format with prefix fields. To take advantage of these control fields for new subfile programming, in addition to other fields related to the programming logicpattern established to use these fields, the following copy member is created to be copied into all subfile programs so that they are included during the programs compile phase. The list of members that you can see in the pdm is an example of a subfile. Also, you can decide for yourself whether you want to load the entire subfile from the array at once or use the page at a time approach. Chain, readc, update, or write operation codes can be used for subfile record format to transfer data between the program and the subfile. Sometimes we discovered them as a direct result of. The sflcsrrrn keyword loads a fivedigit hidden field with the relative record number of the subfile record upon which the cursor is located. The net result is that subfiles in rpg iv make presenting columns of information easier with their own syntax and structure that you must understand to use subfiles effectively. Modern rpg for the modern programmer the modern programmer. System36compatible rpg ii users guide and reference pdf.
This view explains the basic steps to create your first load all sub file in as400 ibm i. This field is initialized with zero and are referenced by the workstn file using filesf01sf. Oct 08, 2008 in my example, this is stored in count. Author of the definitive 2000 work subfiles in rpg iv. In this chapter well create a subfile which will show all the cards from a client given its id. So, the first instance of viewlink will be viewlink. Expandable subfiles in rpgle an expandable subfile is one in which ideally one page of records are loaded at a time. In the expandable subfile the subfile size must be at least one greater than the page size. The programs first task is to load the subfile with one page of records in this case, nine. I try to use sql wherever it makes my programs better, and heres a great example of using it to enhance your inquiries. How to create basic load all subfile in as400 ibm i. Sep 10, 2017 this view explains the basic steps to create your first load all sub file in as400 ibm i. When the subfile is cleared, s1rrn should be reset to zero.
For example, readc in rpg iii and read subfile nextmodified in cobol. Sep 24, 2017 this video explains the basic ile concepts in rpg programming in ibm i. 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. That is the maximum number of records that the system will display in the screen at a time. A subfile is nothing but just displaying records in tabular format on a display device. Every time the record is written in the buffer, buffer is cleared before writing.
Jan 10, 2018 displaying more than one subfile at a time i decided to write the post after being asked if i had an example of having two subfiles on the same screen. 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. 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 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. H spec comcon the h spec has a new lease of life in rpg iv defaults for program debugging compiler options the compiler will search for the h spec in the following order. View and download ld asub 12 manual for installation and operation online. Dec 10, 2010 creating a copy member for systemwide use. Dec 05, 2010 subfile relative record number s1rrn s1rrn is defined on the fspec for the workstn file to assign the files rrn field. Create any type of email, pdf or pdfa from as400, ibm i and distribute send or archive. The following example is an opm rpg program that loads the subfile one page at a time. If the program detects typing errors in the changed records, it can send update operations update in rpg iv, rewrite subfile in cobol to the subfile records in error, setting indicators so that sflnxtchg is in effect during the update operations. Subfile cursor position and stay on the same page as400tips. The subfile entries would be processed in the order they. U single pagenonelastic subfile in this case sub file size sflsiz must be equal to subfile page sflpag.
Meinikat, spooldesigner, ibm, as400, system i, spool. Subfile sort example using many of these capabilities agenda notes many of the ideas described in this presentation came about either because of our personal dislike of certain things like compile time arrays and seeking an alternative. A subfile is a collection or subset of records from a data file that is processed as a unit using a list screen. Oct 22, 2018 subfiles in rpgle epub download 6 nov with subfiles you can create a display file with lists of items. U single page nonelastic subfile in this case sub file size sflsiz must be equal to subfile page sflpag.
Working with subfiles in rpg free code, by simon hutchinson. July 1992 complete understanding of any subject begins with a starting point to build upon. To run the subfile you must create an rpgle member. Subfile relative record number, page size and page. Sep 04, 2018 remember that the subfile automatically expands as long as you define the subfile size as larger than the subfile page.
A subfile is a group of records that is read from or written to a displaydevice file. 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. Subfile record format, subfile control record format, relative record number, subfile record number, associated subfile keywords. Refer to rpg subfile that loads subfile one page at a time. This ebook is intended to help an experienced rpg iv programmer learn how to read, write and manipulate documents within the integrated file system on an.
May 21, 2015 how to retain the cursor position and stay on the same page of a subfile. Subwoofer with integrated amplifier and satellite highpass 100 hz. Interview question and answer as400 subfiles nick litten. By this time, nearly everyone who programs in rpg has at least heard of embedded sql. Asna techhub asna knowledge base and technical reference.
Ld asub 12 manual for installation and operation pdf. If the cursor is not located on a subfile record, this field is zero. O ile rpg for as400 programmers guide version 4 sc09250702. Ile concepts in ibm i rpg programming in single video for. 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. Laying the foundation for subfile usage requires familiarization with underlying concepts and basic definitions. The subfile entries would be processed in the order they exist in the subfile from computers 101 at iit kanpur. Just need to use two keywords in the dds 1sflcsrrrn return the cursor position 2sflrcdnbrcursor help to position the rrn in the subfile to stay on the same page. What are the two record formats that a subfile contains. Expanded skills for continued success yaeger, judy on.
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