A subfile is nothing but just displaying records in tabular format on a display device. CHAIN, READC, UPDATE, or WRITE operation codes can be used for subfile record format to transfer data between the program and the subfile. READ, WRITE, or EXFMT operation codes cane be used for. what is single page subfile,single page subfile example. Editorial Reviews. From the Back Cover. A comprehensive resource that can be used by RPG mountrinorthgesde.tk: Subfiles in Free-Format RPG: Rules, Examples, Techniques, and Other Cool Stuff eBook: Kevin Vandever: Kindle Store. and is a great resource for anyone that needs to learn AS/ subfile programming.
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Subfiles in Free-Format RPG | eBook | free preview | MC Press Online * iSeries and AS/ Programmer's Guide to Cool Things · Programming in ILE RPG. Twenty years ago these are the kind of things you had to know to work on the old AS systems. I found these on an old dusty corner of my homeserver. Subfiles can be specified in the DDS for a display-device file to allow you to handle multiple records of the same type on the display. (See Figure 1.) A subfile is a.
What are the figurative constants?
What is the maximum error severity for which the compilation of RPG program stops? What are the earlier versions of RPG? Name the different ways by which RPG source program can be entered? During input operation which indicator position is seton if the record is locked?
Position 56 - 57 LO. What is the record lock status value? Status value is Using CLC. How do you split record formats in RLU?
Using CLR. What is the use of SDA?
Records that you want to be included in a subfile are specified in the DDS for the file. The number of records that can be included in a subfile must also be specified in the DDS. One file can contain more than one subfile, and up to 12 subfiles can be active concurrently.
Two subfiles can be displayed at the same time. The DDS for a subfile consists of two record formats: a subfile-record format and a subfile control-record format.
The subfile-record format contains the field information that is transferred to or from the display file under control of the subfile control-record format. The subfile control-record format causes the physical read, write, or control operations of a subfile to take place. Larson on Jul 02, I would have liked to have seen more complex example of embedded SQL with dynamic sorting.
Sigh By T. Gard on May 19, This book would be helpful to have but it is not worth the price if you already have the original and now a days infrequently do heavy RPG coding.
I returned. Vandever has done it again. One Star By K. Short on Jul 21, Not much to being updated from the previous book.