In this article, Pravinkumar Dabade explains how to fetch SharePoint 2010 list data in Silverlight application using REST Service ‘ListData.svc’.
Source: Dot Net Curry
Silverlight applications can easily read and write data back to SharePoint lists by using different methods. One of the methods of reading and writing the data back into SharePoint Lists is by using ‘REST Services’. So we need to first create a SharePoint site using ‘Team site’ template. The steps to create a SharePoint Site using a Template ‘Team Site’ remains the same, as shown in my previous article, SharePoint Dashboard with Common Filters using PerformancePoint Services 2010.