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Now let’s say we want to hook into the Item Updating event and prevent a user from changing a certain column.
This is to summarize the inconsistent behaviors I encountered when working with "After Properties" in "Item Updating" event handler on a custom Share Point list in SP 2010.
It’s very easy to spot if a function is synchronous or asynchronous based on its name. Before Properties[«Field Name »] And yes, three possibilities depending on the actions and the synchronicity of the eventcan contain either the new value, or the old value, or nothing at all!
As you can see, synchronized action’s name ends with “ing” and asynchronous with “ed”. And where it reallygets tough, it also depends on the type of list, whether the current list is a list or library.
For the lists Those informations are very important to consider when planning a development.
With that in mind, Share Point 2010 is like a sea of icebergs – there is a lot going on under the surface that you may not notice until it’s too late.
Unfortunately, that makes your project like the Titanic.
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.
Hi everyone, Today I will talk about “event handler” and more specifically those used on elements of lists and libraries.