February 2007 - Posts

RSS Feeds with ADO.NET Entity Framework and the ASP.NET RSS Toolkit
28 February 07 01:17 PM | elisaj | 1 Comments   

The ASP.NET team has released the RSS toolkit beta on sandbox.asp.net . This led me to want to tinker with exposing some RSS feeds using ADO.NET Entity Framework to retrieve the data. I pulled the toolkit and within 10 minutes had my first couple of feeds Read More...

Filed under: ADO.NET Orcas

Mapping 101: Part 1
26 February 07 11:38 AM | elisaj | 7 Comments   

Now that you’re getting accustomed to the Entity Framework and Entity Data Model ( Entity Data Model 101: Part 1 and Entity Data Model 101: Part 2 ), we’ll now take a look at the Object Relational Mapping (ORM) characteristics of the Entity Framework. Read More...

Filed under: ADO.NET Orcas

Entity Client
14 February 07 02:51 PM | dpblogs | 12 Comments   

With the next release of the .NET Framework, ADO.NET will introduce a new member of the family of data providers – EntityClient . The mission of EntityClient is to provide a gateway for entity-level queries . Through EntityClient one queries against a Read More...

Filed under: ADO.NET Orcas

Nulls - LINQ to DataSets Part 3
13 February 07 08:43 AM | dpblogs | 18 Comments   

In previous posts I have spent time talking about LINQ to DataSet, and how it can help you write better code, and how you can write some very interesting queries with DataSet. Today I am going to talk more about nulls, which is one of the areas in which Read More...

Filed under: ADO.NET Orcas

Entity Data Model 101 - Part 2
12 February 07 09:11 AM | dpblogs | 28 Comments   

Entity Containers In part one of this article we looked at declarations of entity and association types in conceptual schema definition language (CSDL). Now we have to be specific about where instances of those types are stored, which we refer to as “scope”. Read More...

Filed under: ADO.NET Orcas

Type safety - LINQ to DataSets Part 2
05 February 07 08:45 AM | dpblogs | 13 Comments   

Back in the first post of this LINQ to DataSet series, I spent some time talking about what LINQ to DataSet is, and how it can be used to supplement the existing query capabilities in terms of what kind of queries you can write. Today, I will talk about Read More...

Filed under: ADO.NET Orcas