103 lines
6.5 KiB
HTML
103 lines
6.5 KiB
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<meta name="DC.Title" content="Define a display file for DDS" />
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<meta name="abstract" content="You can specify positional entries for display files. Read this topic for rules and examples for filling in positions 1 through 44 of the data description specifications (DDS) form." />
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<meta name="description" content="You can specify positional entries for display files. Read this topic for rules and examples for filling in positions 1 through 44 of the data description specifications (DDS) form." />
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<title>Define a display file for DDS</title>
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</head>
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<body id="displ"><a name="displ"><!-- --></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">Define a display file for DDS</h1>
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<div><p>You can specify positional entries for display files. Read this
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topic for rules and examples for filling in positions 1 through 44 of the
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data description specifications (DDS) form.</p>
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<ul><li class="stepexpand"><span>Specify the entries in the following order to define a display
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file:</span> <ol><li>File-level entries</li>
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<li>Record-level entries</li>
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<li>Help-level entries</li>
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<li>Field-level entries</li>
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</ol>
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</li>
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<li class="stepexpand"><span>Specify at least one record format in the file.</span> <div class="p">The maximum number of record formats in a display
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file is 1024. The maximum number of fields in any one record format is 32 763.
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The maximum number of fields that can be displayed per record is 4095. The
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maximum combined length of all named fields and indicators in a record format
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is 32 763 bytes, regardless of the usage (I, O, B, M, H, P). For more
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information, see the <a href="pos38.htm">Usage for display files (position 38)</a> topic. Also, see the <a href="../books/sc415715.pdf" target="_blank">Application Display
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Programming book</a><img src="wbpdf.gif" alt="Link to PDF" /> for the maximum number of input-capable fields. <div class="note"><span class="notetitle">Note:</span> Specify the
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file name through the Create Display File (CRTDSPF) command, not through DDS.</div>
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</div>
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</li>
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</ul>
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<div class="section"> <p>You
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can find an explanation of file-, record-, help-, and field-level entries
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as well as syntax rules for specifying DDS keywords in the <a href="../dds/rbafpmstsyntax.htm">Rules for DDS keywords
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and parameter values</a> topic. You can find complete examples in the <a href="../dds/rbafpmstexamp.htm">Example: DDS for
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each file type</a> topic.</p>
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<p>The following figure shows a display file
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coding example.</p>
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<div class="fignone" id="displ__dfcex1"><a name="displ__dfcex1"><!-- --></a><span class="figcap">Figure 1. Display file coding</span><pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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00100A* DISPLAY FILE EXAMPLE
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00101A*
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00102A REF(PAYROLL)
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00103A R MENU
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00104A H HLPARA(1 1 12 80)
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00105A HLPRCD(RECORD1 FILEA)
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00106A N01
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00107AO 02 FLDA 20I 2O 2 2DSPATR(HI)
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00108A FLDB 22N 2B 3 2
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00109A 72 73
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00110AO 60 61 62
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00111AA 63 DSPATR(HI)
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00112A FLDC 7Y 0B 7 20DSPATR(RI PC)
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00113A 42 43
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00114AO 60 61
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00115AO 62 9 2'Constant'
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00116A FLDD R 11 2</pre>
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</div>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzakcconvterm.htm">Conventions and terminology used in the DDS information</a></strong><br />
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Read this topic for explanations on the conventions and terminology used in the DDS information.</li>
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<li class="ulchildlink"><strong><a href="rzakcmstpsnent.htm">Positional entries for display files (positions 1 through 44)</a></strong><br />
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Use this information to specify the first 44 positions of the data description specifications (DDS) form for display files.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="kickoff.htm" title="Use data description specifications (DDS) to define display files. This topic collection provides the information you need to code the positional and keyword entries that define these files.">DDS for display files</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="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><a href="keycons.htm" title="Some keywords in a display file containing USRDSPMGT cannot be specified.">Keyword considerations for display files used in the System/36 environment</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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