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Explain Event Listener in SharePoint 2013.

Posted By :abhays     Posted Date :March 28, 2014    Points :40   Category :SharePoint 
The event listener in SharePoint 2013 includes an event subscriber. The subscriber receives notifications from the event publisher (on the external system side) on changes to the data and then initiates predefined actions when changes occur.

You can also find related Interview Question to Explain Event Listener in SharePoint 2013.  below: 

Can you explain the steps to migrate a Site Collection from SharePoint 2010 to SharePoint 2013?

  
We need to follow below steps to migrate a Site Collection from SharePoint 2010 to SharePoint 2013:-

1. Backup and Restore SharePoint 2010 Content database in your SharePoint 2013 farm.
2. Run Test-SPContentDatabase cmdlet to identify missing Components along with potential errors and related warnings. Check the upgrade log and deploy any missing components and re-run the cmdlet to verify.
3. Attach the Content database to the desired web application using Mount-SPContentDatabase cmdlet.
4. After successfully mounting the content database to web application, the site should be accessible in 14 mode.
5. Next, to Upgrade the site to 15 Hive, Navigate to SiteUpgrade.aspx page in Site Setting of your site collection.
6. Click on "Upgrade the Site Collection" button.
7. During the upgrade The SiteUpgrade.aspx page shows the progress and provides a link to an upgrade log for troubleshooting purposes.
8. Site Collection Should now be accessible in 15 mode. (More...)

Remote event receivers in SharePoint 2013?

  
: Remote Event Receiver is used to handle such events when app for SharePoint running on other system from the host web. Remote Event Receiver uses web service to call code when any event is triggered.
You can use Visual Studio templates to add Remote Event Receiver as we did for event receiver in earlier version. Once remote event receiver is added, it will create new WCF service in app's remote web site that implements IRemoteEventService interface where in traditional event receiver uses SPItemEventReceiver interface.
RemoteEventService interface define methods that can be called when any event occurs by SharePoint objects.
Following methods used by Remote event receiver:
. ProcessEvent - Used to process two way events before an action occur which has SPRemoteEventResult type of output. This is Synchronous event that can handle -ing events.
. ProcessOneWayEvent - Used to process one way events after an action occurs which none has output. This is Asynchronous event that can handle -ed events.
Remote Event Receiver can only work with Auto Hosted and Provider Hosted apps not for SharePoint Hosted app.
Remoter Event Receiver is supported only at List and List Item level.
Remote Event Receiver cannot run client side JavaScript code as its uses WCF Service to callback when remote event occurs. And it requires server side code.
(More...)

How many event handlers in sharepoint?

  
1.SPItemEventReceiver
2.SPListEventReceiver
3.SPWebEventReceiver
(More...)

How many Hosting Type in SharePoint 2013?

  
Their three hosting type.

Autohosted
Provider-hosted
Sharepoint-hosted (More...)

What's the new App model in Sharepoint 2013?

  
An app may include SharePoint 2013 components such as lists, workflows, and site pages, but it can also surface a remote web application and remote data in SharePoint.
(More...)

What is new Features of SharePoint 2013?

  
SharePoint 2013 has a lot of New and Improved Features:

1. New Minimal UI
2. SharePoint and Office Apps model.
3. Social and Collaboration Features
4. Improved Search
5. Cross-Site Publishing
6. Shredded Storage
7. Out-of-Box PDF support
8. Minimal Download Strategy (More...)

Which are main event classes of sharepoint Eventreceiver?

  
There are three main event classes:

SPItemEventReceiver
SPListEventReceiver
SPWebEventReceiver (More...)

What's new with Visual WebPart in SharePoint 2013?

  
A new Visual WebPart Template has been added to Visual Studio 2012 for Creating Visual Webparts for SharePoint 2013. In this new Template both the User Control and WebPart Classes are merged to Create one template unlike SharePoint 2010 where you had a separate ascx and webpart file.Also, now you can Create both Sandbox and Farm solutions using Visual WebPart Template. (More...)

How does an app communicate with SharePoint 2013?

  
In SharePoint 2013 app communicate in two ways mainly:-
1.REST and JavaScript APIs
2.Managed APIs (.NET)
(More...)

What is WebAdding Event in SharePoint

  
WebAdding event in SharePoint is a synchronous event which raised before a new Web site is created. This event gives us options to even cancel the site creation. This event can be used to perform conditional validations and the user who is creating a site has appropriate credentials. (More...)

What is WebProvisioned event in SharePoint.

  
WebProvisioned event in SharePoint occurs after the Web is fully provisioned and the provisioning process has completed. This event can be configured to operate in either synchronous or asynchronous modes. This event is used for post deployment operations. (More...)

How many Connectors available out of the box in sharepoint 2013

  
There are five Connectors available SharePoint 2013:

1. SharePoint
2. HTTP
3. File Share
4. BDC (Exchange Public Folder, Lotus Notes,Doacumentum,Taxonomy)
5. People Profile Connector
(More...)

What is App model in SharePoint 2013?

  
Apps for SharePoint are self-contained pieces of functionality that extend the capabilities of a SharePoint website.SharePoint 2013 Introduces a Cloud App Model that enables you to Create apps. An app may include SharePoint components such as lists, workflows, and site pages, but it can also surface a remote web application and remote data in SharePoint (More...)

What are the Changes to Solutions deployed in \bin directory and GAC in SharePoint 2013?

  
There are following changes in SharePoint Solution Deployment:-

1.Any files deployed to the \bin directory must be full trust.

2.You can no longer add partial trust Solution Packages to the \bin directory.

3.Any deployment scripts needs to be updated to make sure that they specify the correct trust level.

4.After the release of .NET Framework 4.0, the GAC was split into two, one for each CLR.

c:\windows\assembly is the location for .NET versions 1.0 through 3.5 and c:\windows\microsoft.net\assembly is location for all the dlls for project Created in .NET Framework 4.0. (More...)

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