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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <title>APPLICATION_PAGE_ITEM_EXISTS Function</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-14T17:32:16Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="APPLICATION_PAGE_ITEM_EXISTS Function" /> <meta name="relnum" content="Release 3.2" /> <meta name="partnum" content="E12510-01" /> <link rel="copyright" href="../dcommon/html/cpyr.htm" title="Copyright" type="text/html" /> <link rel="stylesheet" href="../dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" /> <link rel="contents" href="toc.htm" title="Contents" type="text/html" /> <link rel="up" href="preface" title="Home" type="text/html" /> <link rel="up" href="apex_auth.htm" title="APEX_CUSTOM_AUTH" type="text/html" /> <link rel="up" href="apex_auth001.htm" title="APPLICATION_PAGE" type="text/html" /> <link rel="prev" href="apex_auth.htm" title="Previous" type="text/html" /> <link rel="next" href="apex_auth002.htm" title="Next" type="text/html" /> </head> <body> <p id="BREADCRUMBING"><a href="preface" title="Home">Home</a> > <a href="apex_auth.htm" title="APEX_CUSTOM_AUTH">APEX_CUSTOM_AUTH</a> > APPLICATION_PAGE�</p> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr valign="bottom"> <td align="left"></td> <td align="center"><a href="apex_auth.htm"><img src="../dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="apex_auth002.htm"><img src="../dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="CHDIEFJB" name="CHDIEFJB"></a></p> <hr /> <div class="refsect1"> <h1><a name="AEAPI219" id="AEAPI219"></a>APPLICATION_PAGE_ITEM_<a id="sthref638" name="sthref638"></a>EXISTS Function</h1> <p>This function checks for the existence of page-level item within the current page of an application. This function requires the parameter <code>p_item_name</code>. This function returns a Boolean value (true or false).</p> <a id="sthref639" name="sthref639"></a> <p class="subhead2">Syntax</p> <pre xml:space="preserve" class="oac_no_warn"> APEX_CUSTOM_AUTH.APPLICATION_PAGE_ITEM_EXISTS( p_item_name IN VARCHAR2) RETURN BOOLEAN; </pre> <a id="sthref640" name="sthref640"></a> <p class="subhead2">Parameters</p> <p><a href="#CHDIJDAG">Table: APPLICATION_PAGE_ITEM_EXISTS Parameters</a> describes the parameters available in the APPLICATION_PAGE_ITEM_EXISTS function.</p> <div class="tblformal"><a id="sthref641" name="sthref641"></a><a id="CHDIJDAG" name="CHDIJDAG"></a> <p class="titleintable">APPLICATION_PAGE_ITEM_EXISTS Parameters</p> <table class="Formal" title="APPLICATION_PAGE_ITEM_EXISTS Parameters" summary="This table describes the parameters available in the CACHE_GET_DATE_OF_PAGE_CACHE procedure." dir="ltr" border="1" width="100%" frame="hsides" rules="groups" cellpadding="3" cellspacing="0"> <col width="31%" /> <col width="*" /> <thead> <tr align="left" valign="top"> <th align="left" valign="bottom" id="r1c1-t2">Parameter</th> <th align="left" valign="bottom" id="r1c2-t2">Description</th> </tr> </thead> <tbody> <tr align="left" valign="top"> <td align="left" id="r2c1-t2" headers="r1c1-t2"> <p><code>p_item_name</code></p> </td> <td align="left" headers="r2c1-t2 r1c2-t2"> <p>The name of the page-level item.</p> </td> </tr> </tbody> </table> <br /></div> <!-- class="tblformal" --> <a id="sthref642" name="sthref642"></a> <p class="subhead2">Example</p> <p>The following example checks for the existance of a page-level item, <code>ITEM_NAME</code>, within the current page of the application.</p> <pre xml:space="preserve" class="oac_no_warn"> DECLARE L_VAL BOOLEAN; BEGIN VAL := APEX_CUSTOM_AUTH.APPLICATION_PAGE_ITEM_EXISTS(:ITEM_NAME); IF L_VAL THEN htp.p('Item Exists'); ELSE htp.p('Does not Exist'); END IF; END; </pre></div> <!-- class="refsect1" --> <!-- Start Footer --> <div class="footer"> <table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%"> <col width="86%" /> <col width="*" /> <tr> <td align="left"><span class="copyrightlogo">Copyright © 2003, 2009, Oracle and/or its affiliates. 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