ADO.NET Data Services v1.5 CTP1 — Now Available for Download

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Two weeks ago we announced the ADO.NET Data Services v1.5 release.  Today we’re very happy to say CTP1 of  ADO.NET Data Services v1.5 is now available for download.  You can get the bits by clicking here.

This first CTP release is intended to allow exploration, prototyping and early development.  It is not supported and is not for use on production systems.

Getting Started

To get started with the v1.5 CTP1 bits, check out the"getting started" video below.  The video walks through what is provided in CTP1 and how to get a simple project up and running quickly. 

Upgrading an Existing Project to Use v1.5 CTP1

To upgrade an existing server-side data service project to use this CTP you’ll need to replace all System.Data.Services.* assembly references with Microsoft.Data.Services.* references.  Next edit the markup of the .svc file for the existing data service to point at the Microsoft.Data.Services.dll assembly.    At this point, rebuild the project and your done — the project is now upgraded to use this CTP.

If you have an existing client project, the easiest way to upgrade existing service references is to delete the reference and then re-add it following the steps outline in the video above.   

What’s Included in this CTP?

For an overview of the new features in this first CTP, see our prior post announcing the v1.5 release.  In addition, we will create feature-specific blog posts over the coming days to explain each feature in more detail.

CTP1 Frequently Asked Questions

Q1: What are the prerequisites?

A1: See the CTP download center page here for a list of prerequisites, supported operating systems, etc?

Q2: Does CTP1 install side-by-side with what is currently on my development machine?

A2: By in large this install is side-by-side with existing VS 2008 SP1 and .NET Fx 3.5SP1 bits; however, that was not possible in all cases so some .NET and VS files will be modified by the CTP1 installer.  The files should be replaced to their original state during uninstall of this CTP.

Q3: Does this CTP work on Windows 7?

A3: The CTP1 installer will install the runtime components only on Windows 7.  Client code generation is not yet enabled by the CTP1 installer on Windows 7.

Giving Feedback

We have created a new forum dedicated to providing feedback on "pre-release" versions of data services such as this CTP.  Please direct all your questions about the release and its features to this forum which is available at: ( 

Note: The forum intended for questions on currently shipping versions of ADO.NET Data Services is still available at: ( )

We look forward to hearing your thoughts on the release!

-Mike Flasko

ADO.NET Data Services, Program Manager


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