One of the big features for SharePoint 2010 (and for building OBAs) is the Business Connectivity Services (BCS). I’ve written a few posts on this, but wanted to follow up on these early posts with some additional detail on how to create a solution leveraging web services
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Sharepoint 2010 development using bcs
One of the key things you’ll likely want to do with SharePoint is interact a lot with lists.
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Retrieve SharePoint List Data with XLINQ using VS 2010 Beta 1
If you read this blog you probably know that besides the web user interface, SharePoint also exposes some interfaces which you can use from code: the SharePoint object model and the SharePoint web services. The object model of SharePoint can only be used by code/applications that are running on a SharePoint server in your Server Farm, so you can’t use the object model on client machines. The SharePoint web services can be used of course across a network boundary, that’s what they are built for! In this post I’m going to show you how you can access the out-of-the-box SharePoint web services by making use of the jQuery Javascript library
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Calling the SharePoint Web Services with jQuery