A Web service is a means of communication between programs over the web.
- Writing and Hosting a Web Service in the SharePoint 2010 Demo Virtual Machine
- Getting Started with SharePoint Web Services using LINQ to XML
- Modifying Open XML Documents that are in SharePoint Document Libraries using Web Services
Coding and hosting a WCF web service is a great way to experiment with Business Connectivity Services (BCS) and External Content Types (ECT). (Article)
Web services are one of the most effective and convenient ways for casual developers to access SharePoint lists and document libraries. They have a reputation for being a bit difficult; LINQ to XML can make them easier to use. This post presents the basic steps for getting started with Windows SharePoint Services Web Services using LINQ to XML (either C# or VB). (Article)
When using the Open XML SDK with SharePoint web services, one of the most basic operations is to get a document from a document library using web services, modify it using the Open XML SDK (and LINQ to XML), and save it back to the document library. This post describes how to do this, and provides a sample in C#. (Article)