In my last project (WPF/MVVM) I had to deal with a lot of data in the application. I stored the data in a ObservableCollection and bound the collection to a chart and a grid. Everything worked very well. But the data in the ObservableCollection changed frequently. By default, the ObservableCollection notifies every change in the… Read More »
In the following example I’ll explain how to access the Neo4j database with the Neo4jClient. I’ve used both components in a project and was very satisfied. Information about Neo4j: http://neo4j.org/ Information about Neo4jClient: http://hg.readify.net/neo4jclient/wiki/Home For this demo I created an entity class called Person. This class will be represented in Neo4j as a node. public… Read More »
With the Code First approach we can create clean entities without any EF specific code. After the first demo, I saw that you have to deal with the IDbSet interface, which is placed in the Entity Framework library. When you place the entities in your business dll you have to reference the EF library. This… Read More »
It is not possible to deploy referenced libraries with the assembly which contains the crm plugins. You can install the libraries into the GAC, but it isn’t really a good solution. Two weeks ago, I found a cool solution in the internet about embedding referenced assemblies into one library or exe. I implemented this code… Read More »
In my first crm 2011 project I struggled a little bit with the early binding functionality. When you generate the entities with CrmSvcUtil and place the entities in the plugin project everything works fine. But when you seperate the entities from you plugin logic in a other dll, early binding won’t work. The first solution… Read More »
RavenDB is a document database. The main difference between RavenDB and a relational database is, that RavenDB doesn’t support relation between the rows/entities/documents. A document contains structural data, which is stored in JSON format. This is a quickstart into RavenDB: Step 1 – Database: Create a new database. This DB doesn’t contain any structure. It’s… Read More »
When you deal with very dynamic dictionaries, you have always to check if the data exists before accessing it. This can blow up your code. With the dynamic data type (.NET 4.0) you can do this a little bit more elegant. Example: Here are my data classes. You see that the Person class has a… Read More »
One of the new WCF 4.0 features is routing. Routing can be used for multiple purposes: – Service versioning – “Extended” load balacing – Content-based routing scenario – Service partitioning – Protocol bridging – etc. In this example, I have two person services. One in London and one in Paris. The client knows only the… Read More »
The new ASP.NET MVC Razor view engine is pretty cool. 🙂 Here are some examples: Namespaces: @using MyProject.Entities Define model type: @using MyProject.Entities @model User Create functions: @functions { public string GetSomething(User usr) { return usr.Name; } } Templating: // In your template <html> … @RenderSection(“MyContent”, true) // true = required <br /> @RenderSection(“MyFooter”, false)… Read More »
This is a very small MVVM tutorial. I used the MVVM Light (Galasoft) framework. I like this framework because, it brings a lot of very useful features. The idea behind MVVM is to seperate the UI from the code. The most things I like are that your application is testable, “blendable” and you don’t have… Read More »