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    <p>First thing to note is that customized pages (Could be masterpages or page layouts) are always stored in the database.</p> <p>The page request cycle differs from the vanilla ASP.net version in the way SPVirtualPathProvider routes requests. Once it's found the request is made for a customized page (as opposed to an uncustomized page sitting on the file system, and subject to the usual ASP.net page compilation mode) the page's code is pulled from the database, handed off to the ASP.net runtime, and parsed in "no-compile mode." </p> <p><br/> <br/> <em>Here's a visual rendition of the process when a request for a customized page is made:</em></p> <p><img src="https://4.bp.blogspot.com/_3sEqO0N3Iss/SqixGng7iQI/AAAAAAAAAdE/yOtd4JZJa_A/s320/6.JPG" alt="alt text"> <br/> Compliments <a href="http://computerauthor.blogspot.com/2009/09/sharepoint-interview-questions-part-3.html" rel="nofollow noreferrer">Shivprasad Koirala</a></p> <p><br/> <br/> <em><a href="http://quickstarts.asp.net/QuickStartv20/aspnet/doc/tipstricks/default.aspx" rel="nofollow noreferrer">Here is also good description of ASP.net's no compile mode</a></em></p> <blockquote> <p><strong>No Compile Pages:</strong> <br/><br/> No Compile Pages enables improved scaling for large sites with 1000s of pages, as windows has limit on number of DLLs loaded into an app and perf degrades as you hit this limit. Set the &lt;%@ Page CompilationMode="Auto" %&gt; directive to compile conditionally to obtain the scaling benefits without limitations on code. You can also set CompilationMode to "Never" to prevent the page from ever being compiled. You can set this property on the &lt;pages/&gt; section in Web.config to apply to all pages in an application. A no-compile page will throw an error when it contains user code.</p> </blockquote> <p><br/> So this basically addresses the issue you mentioned with regards to excessive application resets when unloading/loading an app domain due to multiple customizations happening in real-time (an issue any CMS built on the ASP.net runtime would have to address).</p> <p>On top of this; you get the multiuser capabilities and scalability of SQL Server "for free" when storing customized content in this way; as opposed to a file system approach which would necessitate extra effort to manage locking.</p>
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    1. COThanks for that answer. Surely this hurts performance at the expense of scalability; otherwise, the default would simply be Auto for all apps? But unlike assemblies, the cached page builders can be reclaimed as needed. Some links: http://weblogs.asp.net/jgaylord/archive/2005/04/20/403580.aspx http://msdn.microsoft.com/en-us/library/system.web.ui.compilationmode.aspx http://msdn.microsoft.com/en-us/library/system.web.compilation.expressionbuilder.aspx
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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