December 2008 - Posts

New Entity Framework Documentation Topics
17 December 08 11:02 AM | dpblogs | 48 Comments   

We have recently added new topics to the Entity Framework documentation. The new topics address frequently asked questions about working with entity keys and enabling scenarios that require manual editing of an .edmx file. Let us know if you find these Read More...

IBM's ADO.NET Provider Supports the Entity Framework!
10 December 08 04:57 PM | dpblogs | 2 Comments   

Time for another update on Entity Framework-enabled ADO.NET providers. It is my pleasure to announce that IBM has added Entity Framework support to their ADO.NET provider. The provider supports DB2, Informix and U2 databases. For more information on the Read More...

Filed under: ADO.NET, Entity Framework, Providers, IBM, U2, Informix, DB2

“Table Splitting”: Mapping multiple entity types to the same table.
05 December 08 03:25 PM | dpblogs | 24 Comments   

Imagine that you have a table called “Products” which contains a number of columns holding a large amount of data. For example, images of the product from above, front, and side. For most operations against instances of Products, you do not wish to pull Read More...

Filed under: ADO.NET, Entity Framework

Migrating from LINQ to SQL to the Entity Framework: Stored Procedures for data retrieval
02 December 08 08:21 AM | dpblogs | 32 Comments   

LINQ to SQL supports a wide range of scenarios that involve stored procedure mapping and usage. This also happens to be an area where there is a considerable gap between the features offered by LINQ to SQL and the Entity Framework. In this post, we will Read More...