The Developer version and Source version have been published for this release. You must uninstall any prior versions of EntitySpaces 2009 including the production release or any prior alphas. EDIT – 2009-08-07: This Alpha only supports the EntitySpaces provider for SQL Server.

These are new features contained in this release:

• The EntitySpaces Hierarchical Object Model Improvements
• The EntitySpaces 2009 Getting Started PDF is now on the EntitySpaces 2009 menu after installation.
• You can turn off the DateTime value in your class headers so that they wont cause differences in your source control system (in the settings tab).
• Major Improvements to our lightweight client side proxies.
• Our Silverlight demo which demonstrates using our proxies on both sides of the Silverlight / WCF conversation complete with editing and saving data through a grid. We will be posting the demo online so you can execute it and play with it. You will find it on our Samples menu after install it will compile right out of the box, just see the Readme.txt file in the solution.
  

Lightweight Client Side Proxy Stub – Major Improvements

The lightweight client side proxies now support

• The INotifyPropertyChanged interface
• ObservableCollections (great for Silverlight support)
• And a Silverlight checkbox will we remove any non supported items such as [Serialized] attributes

We used the settings above settings to create the client side proxies for our Silverlight demo. Below is what our proxy collection looks like.

Noitce the Collection property is an ObservableCollection. In our Silverlight demo you can add records directly to your collection and they will automatically show up in the grid.

Above is our single Entity object. It implements the INotifyPropertyChanged interface. You can change a property directly on your Entity object it will immediately be reflected in the Silverlight grid.

We are adding a lot of enhancements to our lightweight client side proxies. You can begin your Silverlight application starting with this Alpha, it is working very well. A few things will be adding are a compressed mode where we will “Scrunch” the XML being sent over the wire by giving your property names in XML like “a1, a2, a3, a4, a5 …” and so on to reduce the size of the XML packet. This isn’t really an EntitySpaces issues its just the result of XML itself which is pretty bulky and will not effect your code in any way.

We will be hosting our new EntitySpaces Silverlight demo on our site and providing some insight on how it all operates. It is very simple to create Silverlight applications with EntitySpaces 2009 and the full demo is including with this latest alpha. The demo runs against Microsoft SQL’s Northwind database.

From Mobile Devices to large scale enterprise solutions in need of serious transaction support, EntitySpaces can meet your needs. Whether you’re writing an ASP.NET application with Medium Trust requirements, a Mono application, or a Windows.Forms application, the EntitySpaces architecture is there for you. EntitySpaces is provider independent, which means that you can run the same binary code against any of the supported databases. EntitySpaces is available in both C# and VB.NET. EntitySpaces uses no reflection, no XML files, and sports a tiny foot print of less than 200k. Pound for pound, EntitySpaces is one tough, dependable .NET architecture.

EntitySpaces LLC
Persistence Layer and Business Objects for Microsoft .NET
http://www.entityspaces.net