Itemupdating which wasn t handled

Damon gives just one example of a poisoned dagger in the game of Sharepoint Development: The Item Event Receiver.

I’m usually disappointed when writers employ oft-overused metaphors to describe a situation.

Sometimes that is the most exciting way to learn, but for those less adventurous I will briefly cover the topic here.

You can think of an item event receiver like a database trigger: it has different events that fire during the course of Share Point running an operation on a list item (or document item).

To understand why this is happening, let’s first look at what happens when the user adds a document to the library when the Require Check Out option is disabled: So the net result of this is that the document is uploaded and the Item Adding and Item Added events have fired, which is pretty much what you would expect.

Next, let’s look at what happens when the user adds a document when the Require Check Out option is enabled.

The first time the Item Updating and Item Updated events fire it is in response to the document properties changing.

Developing a Sharepoint application would have all the fun of a video game, if only you had infinite lives.

Dangers lurk hidden out there which, if you run into them, can be a blow to your project and waste a great deal of time.

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