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In what scenarios we can use Application Pages?

Posted By :Makarand Kulkarni     Posted Date :June 25, 2014    Points :40   Category :SharePoint 
We can use/ create application pages in following scenarios -
1) To restrict the user to customize the page

2) To capture data

3) When we want to add custom code or inline code to that page

4) For administrative or configuration pages


You can also find related Interview Question to In what scenarios we can use Application Pages?  below: 

Can I add more than one .xaml pages in silverlight application?

  
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What are Application Pages in SharePoint?

  

Ans. Unlike site pages (for example, default.aspx), a custom application page is deployed once per Web server and cannot be customized on a site-by-site basis. Application pages are based in the virtual _layouts directory. In addition, they are compiled into a single assembly DLL.
A good example of an Application Page is the default Site Settings page: every site has one, and it's not customizable on a per site basis (although the contents can be different for sites).
With application pages, you can also add inline code. With site pages, you cannot add inline code. (More...)


Q. What are Application Pages in SharePoint?

  

Ans : Unlike site pages (for example, default.aspx), a custom application page is deployed once per Web server and cannot be customized on a site-by-site basis. Application pages are based in the virtual _layouts directory. In addition, they are compiled into a single assembly DLL.A good example of an Application Page is the default Site Settings page: every site has one, and it's not customizable on a per site basis (although the contents can be different for sites). With application pages, you can also add inline code. With site pages, you cannot add inline code.

Typically, you link custom application pages to application.master, the master page file that is used by the default application pages in Windows SharePoint Services. You should also write application pages to inherit from a base class defined inside the Microsoft.SharePoint assembly named LayoutsPageBase.


(More...)

Q. Can we use our custom master page with the application pages in SharePoint 2010 ?

  

Ans. With 2010, you can now set whether the pages under _Layouts use the same Master Page as the rest of your site. You can enable or disable this functionality through the web application settings in Central Administration. This however, is not applicable to your custom application pages. If you want your custom applictaion page to inherit the site master page you must derive it from Microsoft.SharePoint.WebControls.LayoutsPageBase class.
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Q. Can we use our custom master page with the application pages in SharePoint 2010 ?

  
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What are Application Pages in SharePoint?

  
Unlike site pages (for example, default.aspx), a custom application page is deployed once per Web server and cannot be customized on a site-by-site basis. Application pages are based in the virtual _layouts directory. In addition, they are compiled into a single assembly DLL.
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