In the EF version 1.0, there was a problem when one would try to update multiple contexts as part of a single transaction. For example, I can use Transaction Scope, the update one context, then second context. Here is sample code to illustrate: using (TransactionScope scope = new TransactionScope()) { try { using (RolodexEntities …
Continue reading ‘Entity Framework 4.0 and Multiple Data Contexts’ »
In this post I will cover the update process. I am going to recap where I left off in the last post on RIA Services. The last step was to retrieved based on ID from a read only company object. Once this object is obtained in the VIewModel, we can create a screen to edit …
As I mentioned previously, I presented on the topic of Velocity at the Atlanta Leading Edge Microsoft Users Group on Tuesday, January 19th. The talk went pretty well, we had a lot of technical questions. I really enjoyed this presentation, as I am always excited to speak on a new topic that I have not …
I am going to continue exploring the topic of RIA services and Silverlight. I thought I was going to get into updates in this post, but there are a few topics I would like to cover first. I am going to try to get to updates in the next post. Today, I am going to …
As always I had fun presenting at Gwinnett Georgia Microsoft Users Group on Thursday. The subject of my talk was “Getting started with SQL Azure”. I documented all the steps in this blog post. There are also useful links that I mentioned in this post to help you get started. There are many advantages to …
To continue on the topic of Velocity, I will explore versioning today. As I showed previously, you can use DataCache.Add method to add an item to cache. This, of course, requires that this item’s key was not to be found in the cache already, or an exception will be thrown. This puts a damper on …
Continue reading ‘AppFabric Caching (Velocity) and Versioning’ »
I have worked through my first Velocity project today, and I would like to blog about the steps necessary to use caching. First, you should read my previous post and install AppFabric on your machine. I used Visual Studio 2010 beta 2 to create the solution. You can download the solution here. I create WPF …
Continue reading ‘Getting Started with Velocity (AppFabric Caching Library)’ »
I downloaded Windows AppFabric Beta 1 version this week. You can find this download here. It took a few hours to install it. I could surely tell I was dealing with beta 1 of version 1 of the product. I finally installed it using new cluster option and XML configuration option. I tried SQL Server …
This is purely a bragging post 🙂 I just deployed a test application to the cloud (Microsoft Azure): http://rolodex.cloudapp.net/ Here is the technology stack for it: Windows Azure SQL Azure CSLA 3.8.1 Silverlight Entity Framework WCF Prism (Composite Application Guidance) Silverlight Toolkit I promise to write a blog entry in the near future, the steps …
I setup an account with SQL Azure last week, and I would like to document each step I took in order. There is a lot of information on SQL Azure FAQ and Zack Owens’ blog. I still ran into some issues though, and I wanted to provide detailed instruction on how to work through them. …