The example demonstrates how to create ObjectDataSource with select parameters to allow ASPxGridView to perform paging and sorting using SQL queries to a database server. It is possible to enable server-side paging using the ASPxGridView.DataSourceForceStandardPaging property.
See also:
A possible implementation of IListServer interface to achieve Server Mode functionality
OBSOLETE: A possible implementation of IListServer interface to achieve Server Mode functionality in the GridView extension