129 lines
7.7 KiB
HTML
129 lines
7.7 KiB
HTML
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<meta name="DC.Title" content="SFLPAG (Subfile Page) keyword for display files" />
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<meta name="abstract" content="Use this record-level keyword on the subfile control record format to specify the number of records in the subfile to be displayed at the same time." />
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<meta name="description" content="Use this record-level keyword on the subfile control record format to specify the number of records in the subfile to be displayed at the same time." />
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<meta name="DC.subject" content="SFLPAG (Subfile Page) keyword, Subfile Page (SFLPAG) keyword" />
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<title>SFLPAG (Subfile Page) keyword for display files</title>
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</head>
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<body id="rzakcmstdfsfpag"><a name="rzakcmstdfsfpag"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">SFLPAG (Subfile Page) keyword for display files</h1>
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<div><p>Use this record-level keyword on the subfile control record format
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to specify the number of records in the subfile to be displayed at the same
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time.</p>
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<div class="section"><p>For an exception to this rule, see <a href="#rzakcmstdfsfpag__sfldsel">Field
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selection</a>.</p>
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<div class="p">The format of the keyword is: <pre>SFLPAG(number-of-records-to-be-displayed)</pre>
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</div>
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<p>The
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SFLPAG parameter value and the number of lines required by each subfile record
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determine the number of actual lines required to display the page of records.
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Not all records within a subfile must be displayed at the same time, and not
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all lines of the display are required to display a page of subfile records.</p>
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<p>This
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keyword is required for the subfile control record format.</p>
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</div>
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<div class="section"><h4 class="sectiontitle">Subfile page equals subfile size</h4><p>When you specify
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the same parameter values for SFLPAG and SFLSIZ, the maximum number of records
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that can be contained in the subfile equals the maximum number of subfile
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records that can appear on the display at one time. For this condition, the <span class="keyword">i5/OS™</span> program does not automatically
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page through the subfile when the Page Up or the Page Down key is pressed.
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If the ROLLUP and ROLLDOWN keywords are specified and one of the Page keys
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is pressed, the <span class="keyword">i5/OS</span> operating
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system returns control to your program instead. If ROLLUP and ROLLDOWN are
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not specified, a message is sent to the workstation user, indicating that
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a key is not supported on the display.</p>
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<div class="p">If subfile size equals subfile
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page, the following keywords are not allowed: <p>SFLDROP<br />
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SFLFOLD<br />
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SFLROLVAL</p>
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</div>
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<p>When several display sizes are used (DSPSIZ keyword
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specified), these keywords are ignored only for display sizes for which subfile
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size equals subfile page.</p>
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</div>
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<div class="section" id="rzakcmstdfsfpag__sfldsel"><a name="rzakcmstdfsfpag__sfldsel"><!-- --></a><h4 class="sectiontitle">Field selection</h4><p>When subfile page equals
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subfile size, you can specify option indicators for fields in the subfile
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record format. This is called <dfn class="term">field selection</dfn>. When field selection
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is used in the subfile record, SFLPAG(value) specifies the number of display
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lines available to display the records of this subfile. (Without field selection,
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SFLPAG(value) specifies the number of subfile records that can be displayed
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at one time.) This specification must be considered when a subfile record
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occupies more than one display line. The value of SFLPAG must be greater than
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or equal to the number of display lines occupied by the subfile.</p>
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<div class="p">If
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the subfile record format contains field selection, the following keywords
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are not valid on the subfile control record format: <p>SFLDROP<br />
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SFLFOLD<br />
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SFLINZ<br />
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SFLLIN<br />
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SFLRCDNBR<br />
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SFLRNA (because SFLINZ is not valid)<br />
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SFLROLVAL</p>
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</div>
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</div>
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<div class="section"><h4 class="sectiontitle">Subfile page does not equal subfile size</h4><p>When you
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specify different parameter values for SFLPAG and SFLSIZ, the <span class="keyword">i5/OS</span> operating
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system recognizes the Page Up and Page Down keys and automatically pages through
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the subfile according to the value specified in the field for which the SFLROLVAL
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keyword is specified. If you do not specify the SFLROLVAL keyword, the <span class="keyword">i5/OS</span> program pages through the
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subfile by the parameter value specified for the SFLPAG keyword except for
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subfiles using SFLDROP. If you use the SFLDROP keyword, more
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records are displayed than the SFLPAG value when records are displayed in
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the truncated format. For truncated records, the <span class="keyword">i5/OS</span> operating
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system pages through the display by the number of records displayed in the
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truncated format.</p>
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<p>Option indicators are not valid for this keyword.
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Display size condition names are valid. Display size condition names are required
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if you want the number of records that can be displayed at one time to change,
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based on the size of the display.</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><p>The following example shows how to specify
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the SFLPAG keyword.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00010A R SFLR SFL
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A*
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A* (at least one displayable field)
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A*
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00040A R SFLCTLR SFLCTL(SFLR)
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00050A SFLPAG(17)
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00060A SFLSIZ(17)
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00070A SFLDSP SFLDSPCTL
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A</pre>
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<p>Because the value specified for the SFLPAG keyword equals
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the value specified for SFLSIZ(17), subfile page equals subfile size.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzakcmstdfsfl.htm" title="Use this record-level keyword to specify that this record format is to be a subfile record format.">SFL (Subfile) keyword for display files</a></div>
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</div>
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</div>
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</body>
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</html>
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