Itemupdating properties afterproperties null


20-Jun-2020 17:42

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New value means that the correct value for the column was available.

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Hopefully you know about item event receiver if you are having problems with them firing twice.

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.

Each test involved adding a new item, editing the item and then deleting the item.

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Here are the results for a list: No value means that column value in the hash table was not available.

The wording is curious here, so I thought I’d take some time to test each combination of common events such as Add, Update and Delete.



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