Comments on: Efficient way to add a new item to a SharePoint list

By: TazD

TazD — Fri, 08 Apr 2011 08:41:51 +0000

Very helpful post. Thanks.
We are using this solution, but we’ve noticed a problem.

The case:
OwnFolder is custom type inherited from SPFolder.
ItemUpdated event handler is attached to OwnFolder’s ItemUpdated. We want on moderation status change (inside ItemUpdated event) to do something to the items inside the folder. But when the folder was created using the AddItem on moderation status change the code inside ItemUpdated is not executed. All other events are executed correctly except this one.
We have verified that when the folder is created through list.Items.Add(..) the problem is not verified.

How we create:
Creating SPFolder using AddItem and changing the content type to OwnFolder. Like this:
SPListItem item = GetEmptyItems(list).Add(folderUrl, fsoType, fsoName);
item.SystemUpdate(false);
item[SPBuiltInFieldId.ContentTypeId] = OwnFolderContentTypeId;
item.SystemUpdate(false);

I hope this helps someone as I haven’t found any info on this problem anywhere.

By: List Item Add Using SPQuery « Sladescross's Blog

List Item Add Using SPQuery « Sladescross's Blog — Tue, 14 Dec 2010 16:15:29 +0000

[...] it sounds weird, but it’s true – it’s more efficient to run an empty query to get an SPListItemCollection to add the new SPListItem to, than to use SPList.Items.Add(). [...]

By: Random things I learnt doing a code review » Andy Burns’ SharePoint Blog

Mon, 13 Dec 2010 14:02:12 +0000

[...] it sounds weird, but it’s true – it’s more efficient to run an empty query to get an SPListItemCollection to add the new SPListItem to, than to use SPList.Items.Add(). [...]

By: Rob Garrett

Rob Garrett — Wed, 04 Nov 2009 19:27:27 +0000

SPQuery q = new SPQuery();
Query = EmptyQuery;

Object inline initialization is part of .NET 3.0 and Visual Studio 2008.

By: Joseph Ackerbuch

Joseph Ackerbuch — Wed, 04 Nov 2009 14:56:09 +0000

The syntax of
SPQuery q = new SPQuery {Query = EmptyQuery};
does not work in Visual Studio 2005 and .NET2.0
How is the correct syntax for those VS2005?
Thanks.

By: #30 Sharepoint: Accessing a Site Collection within a Workflow and updating a list « Integration Points

Mon, 20 Jul 2009 21:41:34 +0000

[...] Credit due for OptimizedAddItem(): http://blog.robgarrett.com/2009/02/25/efficient-way-to-add-a-new-item-to-a-sharepoint-list/ [...]

By: Denis

Denis — Wed, 17 Jun 2009 17:28:21 +0000

Some comments on MSDN’s SharePoint Best Practices page were complaining that the SPListItem.AddItem() method was missing.

http://msdn.microsoft.com/en-us/library/bb687949.aspx

I let them in on your helpful code here (re-cast as an extension method). Thanks for making it available.

Cheers!

By: SharePoint Document Library and List – File Upload « Karthikeyan K’s Blog

Wed, 27 May 2009 14:54:14 +0000

[...] can look for more info about adding list item efficiently in this article by Rob [...]

By: Andy Burns

Andy Burns — Tue, 03 Mar 2009 17:43:54 +0000

Ah! So that’s why they have them! Always did wonder why the separate ItemCount – always figured it was just a shortcut… …but it makes sense now!

Methinks I’ll have to go tell the rest of the team…

By: http://

http:// — Tue, 03 Mar 2009 17:40:35 +0000

Hi Rob,

SPList.Items.Add will fire events but in that case hopefully all the necessary column fields will be populated (e.g. Title), so any alert or workflow that get created will have all the information they need.

The only reason I bring it up is because in my experience, with such an approach email alerts will still be sent out without any information (other than the List Item ID). So it is something to be aware of.

P.S. – Nice blog. It is very well organized and has extremely useful content.