How to Create Event Receiver in SharePoint 2010

Hi friends,

                  This is very small post about Event receiver in SharePoint. When we create event receiver we have lot of options to select which type of event receiver we want to create. We can create event receiver for SharePoint site, List and libraries and workflow.  Here I am mostly focusing on different list template id and how can we trigger an event for a particular list and library.

To create event receiver we need to perform following steps:  

 è Select SharePoint Project template->2010->Event receiver. Type proper name for event receiver and select .net framework 3.5 because SharePoint 2010 is built on top off .NET framework 3.5.

     è Type your Site Url and select deploy as sandbox solution

 è Here we have different types of event receiver as shown bellow. We can create event receiver for List Events, List Item Events, List Email Events, Web Events and List workflow events.

 è If we want to create list type event receiver then we have many set of events related to SharePoint List. Bellow are list of events related to SharePoint list.

 è If you select”List Item Events” then you have another options available which shows about the event source. Below are many event source list such as custom list, announcement list, contact list etc..

 è If you select “list Email Events” then you can send mail to user when any operation is performed on list. Here also we have event source and some events related to source.

       

 è If you select “Web Event” type event then you have only event related to web.

      

 è Here we will create List Item events and we will chose Custom List as event receiver and select related events which needed.

          

è You can check that It shows ListTemplateId=”100” based on different event source SharePoint has fixed ListTemplateId for each.

   

 è Now suppose we want to execute this event receiver to a particular list which is type of custom list we can set ListUrl of that list as show below

      

 è As shown below this event receiver will execute only for list MyListName. Like this way we can execute event receiver for any document library and web site.

è If you changed name of your event receiver from solution explorer then you also need to change tags inside Element.xml file otherwise event will not fire for event receiver. So wherever EventReceiver1 exist in Element.xml change it with your new name.

Types of Event in Event Receiver:

 è Before Events (Synchronous): The before events are those that happen just after the event occurred, but before SharePoint writes any data to the SharePoint content database. Such events are useful for custom validation, rules checking, and cancellation of users’ actions.

 è After Events (Asynchronous): The After events are those that happen after SharePoint commits the data to the SharePoint content database. These “After” event handlers cannot cancel the current action/operation, but they are guaranteed to execute only after specific actions.

 Before events run in the same process and thread as the current action, while After events by default run in a background thread; however, you can force them to run synchronously, that means within the same process and thread of the current action.

 è Below list shows ListTemplateId for all SharePoint list and libraries.

     

ListTemplateId	Description
100	Generic list
101	Document library
102	Survey
103	Links List
104	Announcement list
105	Contact List
106	Event List
107	Task List
108	Discussion Board
109	Picture Library
110	Data Source
111	Site Template Gallery
112	User Information List
113	Web Part Gallery
114	List Template Gallery
115	Xml Form Library
116	Master page Gallery
117	No-Code Workflows
118	Custom Workflow Process
119	Wiki Page Library
120	Custom Grid for list
130	Data Connection Library
140	Workflow History
150	Gantt Tasks list
200	Meeting Series list
201	Meeting Agenda list
202	Meeting Attendees list
204	Meeting Decisions list
207	Meeting Objectives list
210	Meeting text box
211	Meeting Things To Bring list
212	Meeting Workspace Pages list
300	Portal Sites list
301	Blog Posts list
302	Blog Comments list
303	Blog Categories list
1100	Issue tracking
1200	Administrator tasks list
2002	Personal document library
2003	Private document library

è You can select or type any one of the template Id in your event receiver to work for template specific.

This post is also related to:

How to create list specific Event receiver in SharePoint

Different List Template Id in SharePoint 2010

SharePoint List , Document library and Internal Id 

Regards 

Gireesh Painuly

Happy Coding ...