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3.1 KiB
XML
66 lines
No EOL
3.1 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<helpdocument version="1.0">
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<!--
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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-->
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<meta>
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<topic id="textsbasicshared03102300xml" indexer="include" status="PUBLISH">
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<title id="tit" xml-lang="en-US">IsDate Function</title>
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<filename>/text/sbasic/shared/03102300.xhp</filename>
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</topic>
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</meta>
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<body>
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<section id="isdate">
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<bookmark xml-lang="en-US" branch="index" id="bm_id3145090">
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<bookmark_value>IsDate function</bookmark_value>
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</bookmark>
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<h1 id="hd_id3145090"><link href="text/sbasic/shared/03102300.xhp">IsDate Function</link></h1>
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<paragraph id="par_id3153311" role="paragraph" xml-lang="en-US">Tests if a numeric or string expression can be converted to a <emph>Date</emph> variable.</paragraph>
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</section>
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<h2 id="hd_id3153824">Syntax:</h2>
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<bascode>
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<paragraph id="par_id3147573" role="bascode" xml-lang="en-US">IsDate (Expression)</paragraph>
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</bascode>
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<h2 id="hd_id3143270">Return value:</h2>
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<paragraph id="par_id3147560" localize="false" role="paragraph">Boolean</paragraph>
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<h2 id="hd_id3148947">Parameters:</h2>
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<paragraph id="par_id3145069" role="paragraph" xml-lang="en-US"> <emph>Expression:</emph> Any numeric or string expression that you want to test. If the expression can be converted to a date, the function returns <emph>True</emph>, otherwise the function returns <emph>False</emph>.</paragraph>
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<embed href="text/sbasic/shared/00000003.xhp#errorcode"/>
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<embed href="text/sbasic/shared/00000003.xhp#err5"/>
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<h2 id="hd_id3150447">Example:</h2>
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<bascode>
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<paragraph id="par_idm1340791552" role="bascode" localize="false" xml-lang="en-US">Sub ExampleIsDate</paragraph>
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<paragraph id="par_idm1340790320" role="bascode" localize="false" xml-lang="en-US">Dim sDateVar As String</paragraph>
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<paragraph id="par_idm1340789088" role="bascode" localize="false" xml-lang="en-US"> sDateVar = "1997-12-12"</paragraph>
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<paragraph id="par_id31508692102" role="bascode" localize="false" xml-lang="en-US"> Print IsDate(sDateVar) ' True</paragraph>
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<paragraph id="par_idm1340786096" role="bascode" localize="false" xml-lang="en-US"> sDateVar = "12121997"</paragraph>
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<paragraph id="par_id31472883695" role="bascode" localize="false" xml-lang="en-US"> Print IsDate(sDateVar) ' False</paragraph>
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<paragraph id="par_idm1340783056" role="bascode" localize="false" xml-lang="en-US">End Sub</paragraph>
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</bascode>
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</body>
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</helpdocument> |