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If the After event is synchronous, it executes in the same thread in which the triggering action occurs.
However, if the After event is asynchronous, it executes in a separate thread.
In MOSS various events happen like adding a new item, deleting an item, creating a site,deleting a site etc Now if we want to do some stuff whenever these events happen we need an event handler.
Like if there is a theft an investigation can start only if there is a police officer Now what are the types of crimes errr types of events an event handler can handle?
How can we prevent a user from changing a certain column for an item in a list event?Some redirect options available for Item Adding, Item Updating and Item Deleting.They are only available when the form, which initiates an event, is being rendered in CSRRender Mode. Otherwise list forms are committed through asynchronous Xml Http Requests, and redirect options are not available. Cancel With Redirect Url' is obsolete: '"Default list forms are committed through asynchronous Xml Http Requests, so redirect urls specified in this way aren't followed by default.An Event Receiver is a piece of managed code that responds to Share Point events when specific triggering actions occur on a Share Point object.Triggering actions include activities such as adding, updating, deleting, moving, checking in and checking out.