The new ASP.NET 2 data controls, like the SqlDataSource and the AccessDataSource grealty simplify data access in your Web Applications. However, they have one major drawback: they flood your pages with SQL statements. Not so with the ObjectDataSource, that enables you to bind to the results of a standard method in your Business Logic Layer. The ObjectDataSource can in turn be bound to a data aware control, like the new GridView or DetailsView controls.

This article describes the steps to create a webpart, package it as a feature and deploy it in SharePoint