Dictionary

SqlDataSource : Represents an SQL database to data-bound controls.

Namespace: System.Web.UI.WebControls

Assembly: System.Web (in system.web.dll)

public class SqlDataSource : DataSourceControl

ObjectDataSource: Represents a business object that provides data to data-bound controls in multitier Web application architectures.

Namespace: System.Web.UI.WebControls

Assembly: System.Web (in system.web.dll)

public class ObjectDataSource : DataSourceControl

The ObjectDataSource is an ASP.NET data source control that represents a data-aware middle-tier object or a data interface object to data-bound controls. You can use the ObjectDataSource control in conjunction with a data-bound control to display, edit, and sort data on a Web page with little or no code.