.NET Data Access Layer

.NET Data Access Layer is an application includes Object Relational Mapping, Data Access, and LINQ. A key differentiator is the ability to automatically map from classes to tables without any mapping files, attributes, visual models, or convention definitions. The auto mapper can also map SQL and stored procedure results to classes without any mapping definition. When properties and database columns are named differently mapping can be defined using attributes, code, or XML Mapping files. Auto increment primary keys, GUID primary keys, and composite keys are supported. Mappings can even be overridden at run time.