1cdf0e10cSrcweir<?xml version="1.0" encoding="UTF-8"?> 2cdf0e10cSrcweir 3226a8927SAndrew Rist<!--*********************************************************** 4253bff03Smseidel * 5226a8927SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 6226a8927SAndrew Rist * or more contributor license agreements. See the NOTICE file 7226a8927SAndrew Rist * distributed with this work for additional information 8226a8927SAndrew Rist * regarding copyright ownership. The ASF licenses this file 9226a8927SAndrew Rist * to you under the Apache License, Version 2.0 (the 10226a8927SAndrew Rist * "License"); you may not use this file except in compliance 11226a8927SAndrew Rist * with the License. You may obtain a copy of the License at 12253bff03Smseidel * 13226a8927SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 14253bff03Smseidel * 15226a8927SAndrew Rist * Unless required by applicable law or agreed to in writing, 16226a8927SAndrew Rist * software distributed under the License is distributed on an 17226a8927SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 18226a8927SAndrew Rist * KIND, either express or implied. See the License for the 19226a8927SAndrew Rist * specific language governing permissions and limitations 20226a8927SAndrew Rist * under the License. 21253bff03Smseidel * 22226a8927SAndrew Rist ***********************************************************--> 23226a8927SAndrew Rist 24cdf0e10cSrcweir<helpdocument version="1.0"> 25cdf0e10cSrcweir<meta> 26cdf0e10cSrcweir<topic id="textsbasicshared03102300xml" indexer="include" status="PUBLISH"> 27cdf0e10cSrcweir<title id="tit" xml-lang="en-US">IsDate Function [Runtime]</title> 28cdf0e10cSrcweir<filename>/text/sbasic/shared/03102300.xhp</filename> 29cdf0e10cSrcweir</topic> 30cdf0e10cSrcweir</meta> 31cdf0e10cSrcweir<body> 32cdf0e10cSrcweir<section id="isdate"> 33*cd3ec106Smseidel<bookmark xml-lang="en-US" branch="index" id="bm_id3145090"> 34*cd3ec106Smseidel<bookmark_value>IsDate function</bookmark_value> 35cdf0e10cSrcweir</bookmark> 36cdf0e10cSrcweir<paragraph role="heading" id="hd_id3145090" xml-lang="en-US" level="1" l10n="U" oldref="1"><link href="text/sbasic/shared/03102300.xhp" name="IsDate Function [Runtime]">IsDate Function [Runtime]</link></paragraph> 37cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153311" xml-lang="en-US" l10n="U" oldref="2">Tests if a numeric or string expression can be converted to a <emph>Date</emph> variable.</paragraph> 38cdf0e10cSrcweir</section> 39cdf0e10cSrcweir<paragraph role="heading" id="hd_id3153824" xml-lang="en-US" level="2" l10n="U" oldref="3">Syntax:</paragraph> 40cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147573" xml-lang="en-US" l10n="U" oldref="4">IsDate (Expression)</paragraph> 41cdf0e10cSrcweir<paragraph role="heading" id="hd_id3143270" xml-lang="en-US" level="2" l10n="U" oldref="5">Return value:</paragraph> 42cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147560" xml-lang="en-US" l10n="U" oldref="6">Bool</paragraph> 43cdf0e10cSrcweir<paragraph role="heading" id="hd_id3148947" xml-lang="en-US" level="2" l10n="U" oldref="7">Parameters:</paragraph> 44cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3145069" xml-lang="en-US" l10n="U" oldref="8"> 45cdf0e10cSrcweir<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> 46cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#errorcode"/> 47cdf0e10cSrcweir<embed href="text/sbasic/shared/00000003.xhp#err5"/> 48cdf0e10cSrcweir<paragraph role="heading" id="hd_id3150447" xml-lang="en-US" level="2" l10n="U" oldref="9">Example:</paragraph> 49cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3154217" xml-lang="en-US" l10n="U" oldref="10">Sub ExampleIsDate</paragraph> 50cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153970" xml-lang="en-US" l10n="U" oldref="11">Dim sDateVar as String</paragraph> 51cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3153193" xml-lang="en-US" l10n="U" oldref="12">sDateVar = "12.12.1997"</paragraph> 52cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3150869" xml-lang="en-US" l10n="U" oldref="13">print IsDate(sDateVar) REM Returns True</paragraph> 53cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3148453" xml-lang="en-US" l10n="U" oldref="14">sDateVar = "12121997"</paragraph> 54cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3147288" xml-lang="en-US" l10n="U" oldref="15">print IsDate(sDateVar) REM Returns False</paragraph> 55cdf0e10cSrcweir<paragraph role="paragraph" id="par_id3155132" xml-lang="en-US" l10n="U" oldref="16">end sub</paragraph> 56cdf0e10cSrcweir</body> 57cdf0e10cSrcweir</helpdocument> 58