Status messages are special, and do not normally go into a subfile message queue. Sending subfile error messages of a program message queue. Your program uses this field to pass a message identifier to the ibm i operating system. I have written a basic maintenance function in rpgle, using dds to create the display file. I have a message subfile defined to show the message on line 24. Using the error subfile for messages in display files. For a zip file containing all the sources, click here. A subfile record is defined by sfl keyword, whereas a message subfile is defined by sflmsg keyword. After your program sends an output operation to the subfile control record with sflinz in. If the cursor is not located on a subfile record, this field is zero.
Id like to replace it with one thats been customized so that i dont have to customize the keyboard after every installation. Sep 10, 2017 this view explains the basic steps to create your first load all sub file in as400 ibm i. Sflpgmq subfile program message queue keyword for display files. You remember these days in the early 90s when email was a new an exciting thing, yahoo was the search engine of choice and the phrase social networking hadnt been dreamed up. Coding standards for display files broadcom tech docs. Dec 19, 2001 the following programs demonstrate message subfiles. The message is displayed at the bottom if the status bar is not active. If you dont write that, then the message subfile will not be displayed. They are easy to set up in your dds and call in your rpg programs. This is the full source code for the subfile sort program that appeared in the may 2004 issue of the iseries extra newsletter. Sflmsg subfile message and sflmsgid subfile message identifier keywords for display files. Message should be drivers physical has, or is about to expire why this happen. This field must always be the first field defined in the message subfile. Advances in server hardware components speed up data centers.
Message subfiles in a cl program or procedure ibm knowledge. This will throw the exception message to the caller to pgma as a diagnostic message. Best practice for displaying an empty subfile rpg400l. I hope this is clear cause it is monday here is my dds thanks for the help. The messages section in the infocenter has more information on the different message types. Of course, you could group two subfields together if they happen to be adjacent in the subfile. Sflmsg subfile message and sflmsgid subfile message identifier keywords for display files you use these recordlevel keywords on the subfile control record format to identify a message to be displayed on the message line when your program performs an output operation to the subfile control record format. Arul this is the sample code for achieving your requirement. Make sure your window definition specifies, no message line counter intuitive and that the control spec for your message subfile.
It is a special subfile specially designed to hold messages. The number of records that should appear on the screen at a time. Sflpag this record level keyword is used to determine how many subfile records to show per display screen. How to prevent message from disappearing in a message subfile. The best way to accomplish this in rpg is to use the qmhsndpm send program message api or use the sndpgmmsg command, while. That way the service program uses the other programs message. You simply send messages to the program message queue via a call to the send program message api and the message subfile takes care of displaying the messages at the bottom of the screen. This technique is very simple and in most cases quite a fast way to sort subfile data or any other kind of repeating data.
As400ibm i, iseries rpg subfile and message subfile concept. Sflmsg keyword example in as400,to show message at the bottom of the screen. Message subfile loads itself automatically at runtime loads with the messages from program message. Message subfile will be created for message handling. Can a single screen format occupy a screen area above and below a subfile format. The qmhsndpm send program message api is normally used for sending messages to the message subfile. To use subfile message support, run a send file sndf or send. In addition, sflpgmq can be specified on the subfile control record format when the sflinz keyword is specified on the subfile. If an invalid item is entered, indicator 99 is turned on and the message, invalid item entered, is displayed on the screen as well as the terminal or pc will sound a message alarm. Coding standards for display files techdocs broadcom. Jan 24, 2010 sflpgmq this keyword specifies the program message queue that confirms the subfile records for a message subfile. Message is information that is communicated between users, programs and workstation.
Interview question and answer as400 things you should know. We can use the option indicator to condition the message. 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. Explain the difference between defining subfile and message subfile. Jun 11, 2016 this is a utility to create subfile code for given sql select statement. Monitor message iseries as400 cnet download free software. Then in your program, when you write your first subfile record so you know you have valid records, turn on the indicator. What you have to do in the display file when you are using.
Youll need to use two keywords in the subfile control format. Not specifying the overlay keyword on your display file format and not clearing the message subfile before you attempt to send a message to it for the first time. Oct 08, 2008 this technique is very simple and in most cases quite a fast way to sort subfile data or any other kind of repeating data. Message subfiles let a controlling program or procedure display one or more error messages. Understand and use subfiles, manipulate database files using subfiles, display multiple subfiles on a screen, use a window subfile for selection lists, manage cursor placement within a subfile, use cl to send messages to a message subfile, use data queues with subfiles, sort a subfile.
General information about systems products ibm cloud computing. In cl pgmb, change the sndpgmmsg to msgtypediag topgmqprv. How to create a message subfile search400 techtarget. Sometimes it will sit there until you cancel the session. How to create basic load all subfile in as400 ibm i. Jamie all my answers were extracted from the big dummys guide to the as400. Message subfiles are an easy and useful way to display error, warning, and informational messages to the screen. The source for the display file and the product file used in the example. Dec 16, 2010 the sflmsg is a fieldlevel keyword on the second and last field in the subfile record format for a message subfile. If your business is thinking about modernizing your legacy ibm i also known as as400 or iseries applications, you will want to read this white paper first. Sflmsgrcd sets the starting line on the display for the message subfile. A subfile is a group of records that is read from or written to a displaydevice file. The initial size of the subfile when the display file is opened. Subfile record not found we have an application that sometimes hangs the screen up and other times works fine.
The following demonstrates the use of a message subfile in an rpg program. If subfile size equals subfile page, sfldrop is ignored. Subfiles are specified in the dds for a display file to allow you to handle multiple records of the same type on the display. Interactive programs present data to the user in an organized manner. Toggle navigation as400 tutorial as400 chapters as400 faq as400 ebooks as400 course. After clearing the subfile buffer, records equal to the size of sflpag is written.
What are the necessary keywords required to code a message. They have the additional responsibility to inform the user about the state of the data being accessed or about an event which t. They have the additional responsibility to inform the user about the state of the data being accessed or about an. Oct 01, 2002 this is a multipart message in mime format. Advanced figure 10 sample rpg program xrd003rg fxrd003pfuf e k disk a fxrd003dfcf e workstn f rrn ksfile detail mainline code c move 1 inlr c exsr load c exsr disply c in03 ifeq 0 c in12 andeq0 c exsr post c endif initilization routine c inzsr begsr c movea00 in,31 c writeheader c movea10 in,31 c writetrailer c. This is the rpg programming on the as400 iseries rpg400l mailing list to post a message email. May 09, 2016 example subfile program using modern rpg someone asked me if i could recommend an example simple subfile program written in rpgfree. You simply send messages to the program message queue via a call to. Its up to the developer to define the column headers and the fields used for each row of the subfile.
You use this fieldlevel keyword on the second and last field in the subfile record format for a message subfile. The following programs demonstrate message subfiles. When several display sizes are used dspsiz keyword specified, sfldrop is ignored only for display sizes for which the subfile size equals subfile page. When both display sizes are specified with the dspsizds4 ds3, the dds compiler checks to make sure that all subfile and subfile control records will work on both display sizes even if you are. What you have to do in the display file when you are using message subfile. So, when i find that a new exciting snippet of ibm i software has slipped passed my radar it gets me all twitchy. Every time the record is written in the buffer, buffer is cleared before writing. Not specifying the overlay keyword on your display file format and not clearing the message subfile before you attempt to send a message. Sending your own program created messages to the error subfile. The member is named cpysfconst and contains all constants used by.
This field contains the name of the program message queue used by the ibm i operating system to build a message subfile. Message subfile related problem code400 the support. What are the necessary keywords required to code a message subfile. The following example shows how to specify the sflmsgrcd keyword. The source for the display file and the product file used in the example follow the rpg source.
Aug 05, 2012 the dds for the screen listed here are the dds specifications used to define a typical subfile. Message should be drivers physical has, or is about to expire why. Without sflfold, the ibm i operating system displays the entire subfile record folded where needed but the workstation user is not given the option to display the subfile. Feb 09, 2011 i would compare the code in this program with another one of yours that has a working subfile. Sflmsg subfile message and sflmsgid subfile message. When indicator 50 is set to zero 0, the subfile control record is displayed. Basic coding figure 5 rpg program code indicator usage. I was writing a footer before exfmt of the control record. Once u end the program, the messages will be stored no where. I have written a simple program that uses a message subfile. This is a utility to create subfile code for given sql select statement.
Sflpgmq the variable specified here holds that value that is the name of the abovementioned program message queue where the messages will be built. Fyi, two common mistakes most people make when starting to use message subfiles are. The file definition for the display contains the indds, which identifies the name of the indicator area data structure, indds the indicator area data structure can be seen in line 2 7. Write complete subfile code in less than 20 seconds. It can be done in display file for both cl and rpg. Message subfile parameter computer programming file format. As the subfile fills up it will automatically put the correct value at the bottom of the. Normally we use message subfile to achive what you required above. A while back i had a question about this recently i can across a good example of how to use this api so here it is any message that is not sent as an escape, status, or notify message can be sent as an impromptu message. Best practice for displaying an empty subfile ahh yes. If the status bar is active then the message will be displayed at the status bar. General information about software products explore ibm systems. To display any reformat with window keyword, the window must already written to the screen.
The sflcsrrrn keyword loads a fivedigit hidden field with the relative record number of the subfile record upon which the cursor is located. This also means that the program msgq is built one message at a time. Send text message if file or folder changes software. Server hardware has consistently evolved since the 1980s. Ibm i emails with ifs attachments from rpg and cl using. Interview question and answer as400 subfiles nick litten. Ibm example of cobol using subfiles with userdefined data. Aug 05, 2012 interactive programs present data to the user in an organized manner. Sflmsgkey controls the message key of the first message to be displayed in the message subfile. Message subfile message subfile as the name signifies is a subfile of messages. How to display message at the bottom of a display file in cl program. The messages will just goto message subfile to display on the screen. The programs first task is to load the subfile with one page of records in this case, nine. Message subfile and apis to send and clear program messages.
Foundation figure 5 rpg program xrd001rg indicators used. Error message subfile rpgle applications on the iseries. A accepts some user input from display file and use it as the entry parameter of b. This field contains the name of the program message queue used by the os400 program to build a message subfile. In the message subfile record format, the below keywords are required. When truncated, subfile records fit on one display line. Message subfile in a window code400 the support alternative. Below program is an editable subfile with options value as 1,2,4,5. Diagnostic message, status messages, escape message, nottfy message, completion message.
Message subfile in a window just like a normal window with a few minor changes. Sick of remapping kmp files does anyone know where in the installation source the keyboard map is located. For example, you can only sort on one subfield at a time. Cpd7812 subfile control record overlaps subfile record from the expert community at experts exchange. As400 ibm i, iseries rpg subfile and message subfile concept. This is an example of message subfile on a single screen but works exactly the same way on subfile. Use the dds keep keyword on the last panel displayed by the program. U single pagenonelastic subfile in this case sub file size sflsiz must be equal to subfile page sflpag. This video explains how to handle the cursor position using rrn in load all sub file type. Of course, you could group two subfields together if they happen to be adjacent in the subfile record. Dec 31, 2011 in program i used message subfile but result message 1010 received in lower left corner of the display screen. A warning message is sent at file creation if the entire record fits on a single display line.
Example sort subfile your partner in iseries education. Redisplaying the first page of a subfile is a major annoyance to users. The messages are being written to the pgm checked the job logs and can see the correct messages. You simply send messages to the program message queue via a call to the send program message api and the message subfile takes care of displaying the messages. When using a message subfile, i generally get the program name out of the program status.
Example below program is an editable subfile with options value as 1,2,4,5. The following example shows how to specify the sflinz keyword. Sflinz subfile initialize keyword for display files ibm knowledge. I would compare the code in this program with another one of yours that has a working subfile. Sflmsgrcd subfile message record keyword for display.
Sflnxtchg this record level keyword is used to mark the subfile records as being changed. Dec 10, 2010 each call of the subprocedure adds another message which the user can scroll through to view. Error messages on subfile control please be careful when using errmsg andor errmsgid. The message subfile control record has an overlay defined. In this example i used message id cpda0ff from the qcpfmsg message file to display. Message subfile related problem the messages that u r writing to message subfile will not goto job log. Below is a copymember to be used by the interactive programs. When indicator 50 is set to one 1, the subfile is cleared. This was published in club tech iseries programming tips september 26, 2002. Message subfile loads itself automatically at runtime loads with the messages from program message queue to display it on the screen. I am coding a message subfile in cobol400 using 2 apis qmhrmvpm and qmhsndpm.
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