Accessing SharePoint data in Silverlight involves using the SharePoint client side object model. The following DLLs represent the APIs for accessing SharePoint data in Silverlight:
In this section you create a Silverlight web part that displays data from a list in a grid. It will show data from a custom list called Books. The user can filter the data according to the book category, which he can select from a drop-down list.
Create a new custom list and call it Books. Add the custom columns listed in Table 9.2.
Create a new Silverlight project named ListDataSLApp. ...