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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>Understanding the Page Definition</title> <meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.1" /> <meta name="date" content="2009-04-14T16:11:26Z" /> <meta name="robots" content="noarchive" /> <meta name="doctitle" content="Understanding the Page Definition" /> <meta name="relnum" content="Release 3.2" /> <meta name="partnum" content="E11947-01" /> <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.htm" title="Home" type="text/html" /> <link rel="up" href="bldr_pgs.htm" title="Working with Application Pages" type="text/html" /> <link rel="up" href="bldr_pg_about.htm" title="About the Page Definition" type="text/html" /> <link rel="up" href="bldr_pg_def_about.htm" title="Understanding the Page Defi..." type="text/html" /> <link rel="prev" href="bldr_goto_pgdef.htm" title="Previous" type="text/html" /> <link rel="next" href="bldr_pg_rpt.htm" title="Next" type="text/html" /> </head> <body> <p id="BREADCRUMBING"><a href="preface.htm" title="Home">Home</a> > <a href="bldr_pgs.htm" title="Working with Application Pages">Working with Application Pages</a> > <a href="bldr_pg_about.htm" title="About the Page Definition">About the Page Definition</a> > Understanding the Page Defi...</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="bldr_goto_pgdef.htm"><img src="dcommon/gifs/leftnav.gif" alt="Previous" /><br /> <span class="icon">Previous</span></a> </td> <td align="center"><a href="bldr_pg_rpt.htm"><img src="dcommon/gifs/rightnav.gif" alt="Next" /><br /> <span class="icon">Next</span></a></td> </tr> </table> <p><a id="BABJGEFH" name="BABJGEFH"></a></p> <div class="sect2"><!-- infolevel="all" infotype="General" --> <h1><a name="HTMDB25099" id="HTMDB25099"></a>Understanding the Page Definition</h1> <p>A Page Definition is the basic building block of a page. You use the Page Definition to view, create, and edit the controls and application logic that define a page. The sections that follow describe the different parts of the Page Definition.</p> <a id="sthref444" name="sthref444"></a> <p class="subhead2">Topics:</p> <ul> <li> <p><a href="#CJGJAGHD">Available Navigation Bar Controls and Buttons</a></p> </li> <li> <p><a href="#CJGDFIHE">About the Action Bar</a></p> </li> <li> <p><a href="#CJGDHEIB">About Page Rendering, Page Processing, and Shared Components</a></p> </li> </ul> <div align="center"> <div class="inftblnotealso"><br /> <table class="NoteAlso oac_no_warn" summary="" cellpadding="3" cellspacing="0"> <tbody> <tr> <td align="left"> <p class="notep1">See Also:</p> <a href="bldr_goto_pgdef.htm#CJGHCACC">"Accessing a Page Definition"</a> and <a href="bldr_pg_edit.htm#CHDIGGAB">"Editing a Page Definition"</a></td> </tr> </tbody> </table> <br /></div> <!-- class="inftblnotealso" --></div> <a id="CJGJAGHD" name="CJGJAGHD"></a> <div class="sect3"><!-- infolevel="all" infotype="General" --> <h2><a name="HTMDB25100" id="HTMDB25100"></a>Available Navigation Bar Controls and Buttons</h2> <p>A navigation bar appears directly beneath the breadcrumb trail.</p> <img src="img/pg_def_top.gif" alt="Description of pg_def_top.gif follows" title="Description of pg_def_top.gif follows" longdesc="img_text/pg_def_top.htm" /><br /> <a id="sthref445" name="sthref445" href="img_text/pg_def_top.htm">Description of the illustration pg_def_top.gif</a><br /> <br /> <p>Available controls on the page navigation bar include:</p> <ul> <li> <p><span class="bold"><a id="sthref446" name="sthref446"></a>Page.</span> Displays the current page number. To view another page, enter the page number in the Page field and click <span class="bold">Go</span>.</p> </li> <li> <p><span class="bold"><a id="sthref447" name="sthref447"></a><a id="sthref448" name="sthref448"></a>Previous and Next.</span> These buttons resemble less than (<) and greater than (>) signs. Click these buttons to move to the previous or next page.</p> </li> <li> <p><span class="bold"><a id="sthref449" name="sthref449"></a>View.</span> Controls the current page view. To view alternative reports, make a selection from the list and click <span class="bold">Go</span>. See <a href="bldr_pg_rpt.htm#BABDGIEA">"Using the View List on the Page Definition"</a>.</p> </li> </ul> <p>The following buttons appear to the right of the navigation bar:</p> <ul> <li> <p><span class="bold">Run.</span> Submits the current page to the Application Express engine to render viewable HTML. See <a href="bldapp_running.htm#CHDDEHIA">"Running a Page or Application"</a>.</p> </li> <li> <p><span class="bold"><a id="sthref450" name="sthref450"></a>Copy.</span> Creates a copy of the current page. You specify a page number and page name.</p> </li> <li> <p><a id="sthref451" name="sthref451"></a><span class="bold">Delete</span>. Deletes the current page.</p> </li> <li> <p><span class="bold"><a id="sthref452" name="sthref452"></a>Create.</span> Links to a wizard for creating a page. See <a href="bldapp_wiz_pg_def.htm#CHDDDHJB">"Creating a Page from the Page Definition"</a>.</p> </li> </ul> <div align="center"> <div class="inftblnotealso"><br /> <table class="NoteAlso oac_no_warn" summary="" cellpadding="3" cellspacing="0"> <tbody> <tr> <td align="left"> <p class="notep1">See Also:</p> <a href="bldapp_pg.htm#CHDEAJCI">"Managing Pages in an Application"</a> and <a href="bldapp_running.htm#CHDDEHIA">"Running a Page or Application"</a></td> </tr> </tbody> </table> <br /></div> <!-- class="inftblnotealso" --></div> </div> <!-- class="sect3" --> <a id="CJGDFIHE" name="CJGDFIHE"></a> <div class="sect3"><!-- infolevel="all" infotype="General" --> <h2><a name="HTMDB25101" id="HTMDB25101"></a>About the <a id="sthref453" name="sthref453"></a><a id="sthref454" name="sthref454"></a><a id="sthref455" name="sthref455"></a><a id="sthref456" name="sthref456"></a><a id="sthref457" name="sthref457"></a><a id="sthref458" name="sthref458"></a><a id="sthref459" name="sthref459"></a><a id="sthref460" name="sthref460"></a>Action Bar</h2> <p>The Run Page, Shared Components, Comment, Lock, Export Page, and Find icons display on the Action bar.</p> <img src="img/pg_def_icons.gif" alt="Description of pg_def_icons.gif follows" title="Description of pg_def_icons.gif follows" longdesc="img_text/pg_def_icons.htm" /><br /> <a id="sthref461" name="sthref461" href="img_text/pg_def_icons.htm">Description of the illustration pg_def_icons.gif</a><br /> <br /> <div class="sect4"><!-- infolevel="all" infotype="General" --><a id="sthref462" name="sthref462"></a> <h3><a name="HTMDB25102" id="HTMDB25102"></a>Run Page Icon</h3> <p>The <a id="sthref463" name="sthref463"></a><span class="bold">Run Page</span> icon resembles a small, light green traffic light. Click this icon to render the current page into viewable HTML. When you run a page, the Application Express engine dynamically renders the page based on data stored in the database. See <a href="bldapp_running.htm#CHDDEHIA">"Running a Page or Application"</a>.</p> </div> <!-- class="sect4" --> <div class="sect4"><!-- infolevel="all" infotype="General" --><a id="sthref464" name="sthref464"></a> <h3><a name="HTMDB25103" id="HTMDB25103"></a>Shared Components Icon</h3> <p>The <a id="sthref465" name="sthref465"></a><span class="bold">Shared Components</span> icon resembles a small mechanical gear. Click this icon to view a list of shared components and user interface controls that can display or be applied on every page within an application. See <a href="bldr_sc.htm#BABIGBGE">"Working with Shared Components"</a>.</p> </div> <!-- class="sect4" --> <div class="sect4"><!-- infolevel="all" infotype="General" --><a id="sthref466" name="sthref466"></a> <h3><a name="HTMDB25104" id="HTMDB25104"></a>Developer Comment Icon</h3> <p>The <a id="sthref467" name="sthref467"></a><span class="bold">Developer Comment</span> icon resembles a green balloon. Use this icon to add comments to an application, a page, or a group of pages. See <a href="bldapp_comment.htm#CHDBGHJG">"Adding Developer Comments"</a>.</p> </div> <!-- class="sect4" --> <div class="sect4"><!-- infolevel="all" infotype="General" --><a id="sthref468" name="sthref468"></a> <h3><a name="HTMDB25105" id="HTMDB25105"></a>Lock Icon</h3> <p>The <a id="sthref469" name="sthref469"></a><span class="bold">Lock</span> icon indicates whether a page is available for editing. If a page is unlocked, the icon appears as an open padlock. If the page is locked, the icon appears as a locked padlock. Click this icon to change the lock status. See <a href="bldapp_locks.htm#CEGFFGIC">"Locking and Unlocking a Page"</a>.</p> </div> <!-- class="sect4" --> <a id="CJGGHFII" name="CJGGHFII"></a> <div class="sect4"><!-- infolevel="all" infotype="General" --> <h3><a name="HTMDB25106" id="HTMDB25106"></a>Export Page Icon</h3> <p>The <a id="sthref470" name="sthref470"></a><span class="bold">Export Page</span> icon resembles a downward arrow. Click this icon to export the current page. See <a href="deploy_export_pg.htm#BIHJBCEC">"Exporting a Page in an Application"</a>.</p> </div> <!-- class="sect4" --> <div class="sect4"><!-- infolevel="all" infotype="General" --><a id="sthref471" name="sthref471"></a> <h3><a name="HTMDB25107" id="HTMDB25107"></a>Find Icon</h3> <p>The <a id="sthref472" name="sthref472"></a><span class="bold">Find</span> icon resembles a flashlight. Click this icon to search for items, pages, queries, tables, PL/SQL, images, and cascading style sheets (CSS) within the current application or the schemas associated with the workspace. See <a href="bldapp_srch.htm#CHDIHGJE">"Using the Find Icon"</a>.</p> </div> <!-- class="sect4" --></div> <!-- class="sect3" --> <a id="CJGDHEIB" name="CJGDHEIB"></a> <div class="sect3"><!-- infolevel="all" infotype="General" --> <h2><a name="HTMDB25108" id="HTMDB25108"></a>About Page Rendering, Page Processing, and Shared Components</h2> <p>Every Page Definition is divided into three sections:</p> <ul> <li> <p><span class="bold">Page Rendering</span>. Page rendering is the process of generating a page from the database. The Page Rendering section lists user interface controls and logic that execute when a page is rendered. See <a href="bldr_pg_rndr_ctrl.htm#CHDIACHJ">"About Page Rendering"</a>.</p> </li> <li> <p><span class="bold">Page Processing</span>. Page processing occurs once a page is submitted. Typically a page is submitted when a user clicks a button. The Page Processing section lists logic controls (such as computations and processes) that are evaluated and executed when the page is processed. See <a href="bldr_pg_proc_ctrl.htm#CHDEIAAD">"About Page Processing"</a>.</p> </li> <li> <p><span class="bold">Shared Components</span>. The Shared Components section lists common components that can be used by one or more pages within an application. See <a href="concept_shared_comp.htm#BEIGBHCE">"About Shared Components"</a>.</p> </li> </ul> <div align="center"> <div class="inftblnotealso"><br /> <table class="NoteAlso oac_no_warn" summary="" cellpadding="3" cellspacing="0"> <tbody> <tr> <td align="left"> <p class="notep1">See Also:</p> <a href="bldr_pg_edit.htm#CHDIGGAB">"Editing a Page Definition"</a> and <a href="bldr_goto_pgdef.htm#CJGHCACC">"Accessing a Page Definition"</a></td> </tr> </tbody> </table> <br /></div> <!-- class="inftblnotealso" --></div> </div> <!-- class="sect3" --></div> <!-- class="sect2" --> <!-- 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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