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