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<?xml version="1.0" encoding="utf-8"?> <html><head><title>IsDate Function [Runtime]</title><meta name="filename" content="text/sbasic/common/03102300"/><help:css-file-link xmlns:help="http://openoffice.org/2000/help"/><!--The CSS style header method for setting styles--><style type="text/css"> p.P1{ } span.T1{ font-weight:bold;} </style></head><body> <help:paragraphinfo state="E" xmlns:help="http://openoffice.org/2000/help"/><help:to-be-embedded Eid="isdate" xmlns:help="http://openoffice.org/2000/help"> <p class="Head1"><help:paragraphinfo state="U" number="1"/><help:key-word value="IsDate; function" tag="kw66507_1"/><help:link Id="66507">IsDate Function [Runtime]</help:link></p> <p class="Paragraph"><help:paragraphinfo state="U" number="2"/>Tests if a numeric or string expression can be converted to a <span style="font-weight:bold;">Date</span> variable.</p> <help:paragraphinfo state="E"/></help:to-be-embedded> <p class="Head2"><help:paragraphinfo state="U" number="3" xmlns:help="http://openoffice.org/2000/help"/>Syntax:</p> <p class="Paragraph"><help:paragraphinfo state="U" number="4" xmlns:help="http://openoffice.org/2000/help"/>IsDate (Expression)</p> <p class="Head2"><help:paragraphinfo state="U" number="5" xmlns:help="http://openoffice.org/2000/help"/>Return value:</p> <p class="Paragraph"><help:paragraphinfo state="U" number="6" xmlns:help="http://openoffice.org/2000/help"/>Bool</p> <p class="Head2"><help:paragraphinfo state="U" number="7" xmlns:help="http://openoffice.org/2000/help"/>Parameters:</p> <p class="Paragraph"><help:paragraphinfo state="U" number="8" xmlns:help="http://openoffice.org/2000/help"/><span class="T1">Expression:</span> Any numeric or string expression that you want to test. If the expression can be converted to a date, the function returns <span class="T1">True</span>, otherwise the function returns <span class="T1">False</span>.</p> <p class="Paragraph"><help:paragraphinfo state="S" xmlns:help="http://openoffice.org/2000/help"/><help:embedded Id="66475" Eid="errorcode" xmlns:help="http://openoffice.org/2000/help"/></p> <p class="Paragraph"><help:paragraphinfo state="S" xmlns:help="http://openoffice.org/2000/help"/><help:embedded Id="66475" Eid="err5" xmlns:help="http://openoffice.org/2000/help"/></p> <p class="Head2"><help:paragraphinfo state="U" number="9" xmlns:help="http://openoffice.org/2000/help"/>Example:</p> <p class="PropText"><help:paragraphinfo state="U" number="10" xmlns:help="http://openoffice.org/2000/help"/>Sub ExampleIsDate</p> <p class="PropText"><help:paragraphinfo state="U" number="11" xmlns:help="http://openoffice.org/2000/help"/>Dim sDateVar as String</p> <p class="PropText"><help:paragraphinfo state="U" number="12" xmlns:help="http://openoffice.org/2000/help"/>sDateVar = "12.12.1997"</p> <p class="PropText"><help:paragraphinfo state="U" number="13" xmlns:help="http://openoffice.org/2000/help"/>print IsDate(sDateVar) REM Returns True</p> <p class="PropText"><help:paragraphinfo state="U" number="14" xmlns:help="http://openoffice.org/2000/help"/>sDateVar = "12121997"</p> <p class="PropText"><help:paragraphinfo state="U" number="15" xmlns:help="http://openoffice.org/2000/help"/>print IsDate(sDateVar) REM Returns False</p> <p class="PropText"><help:paragraphinfo state="U" number="16" xmlns:help="http://openoffice.org/2000/help"/>end sub</p> <p class="PropText"><help:paragraphinfo state="U" number="17" xmlns:help="http://openoffice.org/2000/help"/></p> </body></html>