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Exploring Entity Framework and Data Services Slide Deck Yesterday I had a session about Entity Framework and Data Services in the Israeli Defense Forces (IDF) .NET Developers Group . As promised, the slide deck and demos can be downloaded from here . I want to thank all the participants of the session . P.S. – a backup of the database that I used in the demos is located in the Demos directory. Enjoy.
Making Cross-Domain Ajax Requests for a Data Service Revisited A month ago I released the post Making Cross-Domain Ajax Requests for a Data Service . The post is about a better solution to the problem. Problem Revisited In my previous post , I mentioned the problem of making a cross-domain Ajax requests to a service that isn’t located in the application domain. I also offered a solution of creating a cross-domain proxy service that will act as an intermediary between your application and the data...
E4D Learning In the last two weeks I ’m working in E4D Solutions as a senior consultant and as a .NET instructor. As part of my position I’m instructing the following courses: Enterprise Development – ADO.NET Entity Framework Enterprise Library 4.1 General – ADO.NET Data Services Design Patterns ASP.NET – ASP.NET MVC Framework ASP.NET Dynamic Data If you are interested in one of those courses you can contact E4D in the following link . I’ll be happy to see you in the next course.
Pro ADO.NET Data Services Book Review Lately I’ve been reading a lot. One of the books that I read is Pro ADO.NET Data Services - Working with RESTful Data from Apress which I’ll review in this post. Review The book isn’t long, its about 300 pages and has four major parts: ADO.NET Data Service Fundamentals ADO.NET Data Services in the Real World ADO.NET Data Services from the Outside The Future of ADO.NET Data Services The first part is written well and it gives a very thorough understanding about...
Making Cross-Domain Ajax Requests for a Data Service One problem that exists when using ADO.NET data services is cross-domain requests. For security reasons, XMLHTTP requests don’t allow cross-domain HTTP requests. So what can we do if we want to make an Ajax call for a data service that isn’t located in our domain? this post will try to give a solution to this problem. Making a Cross-Domain Ajax Request for a Data Service As stated early in the post’s start, for security reasons, XMLHTTP requests...
Index Pages on My Blog Lately, I received an e-mail from a reader of my blog which included an advice to make an index for my post series. I took his advice and made 3 index pages for the following subjects: ADO.NET Data Services ADO.NET Entity Framework Unity Application Block These index pages will be updated frequently whenever a new tutorial post will be added. Also, I’m going to add more index pages in the future for more post series. Thanks Marcellus. Enjoy!
Project “Astoria” Went Offline As I said at the end of the session I had this week, the “Astoria" team is working on an offline feature for ADO.NET Data Services . Today I saw in Guy Burstein ’s blog that an alpha preview of the offline feature was released as a stand alone preview. What it’s all about? “Astoria Offline” is an end-to-end solution for the building of offline applications that use data from data services , either within an intranet or across the internet. It’s based upon...
Start Thinking with ADO.NET 3.5 Slide Deck Yesterday I had an ADO.NET 3.5 session in the The Israeli Web Development Community (WDC) . The session agenda: Entity Framework ADO.NET Data Services Datasets Enhancements As promised, the slide deck and demos can be downloaded from here . I want to thank Noam King for the opportunity to lecture in WDC . it was a pleasure. Also, I want to thank all the participants of the session . I really had a good time presenting the frameworks. Also,...
Web Data Services with ADO.NET Data Services Article As a promo to the session I’m going to deliver next week a new article that I wrote, Web Data Services with ADO.NET Data Services , was published on the Hebrew MSDN site. The article describe the problems that were targeted by ADO.NET data services , what is a data service ? a little about REST and data service architecture and a data service example. You can read the article here . You can read more Hebrew MSDN articles here .
Web Developers Community (WDC): Start Thinking with ADO.NET 3.5 Session I will be presenting introduction to ADO.NET 3.5 in the Israeli WDC (Web Developers Community) on Sunday, March 1, 2009 at Microsoft office in Ra’anana. The talk will introduce the following topics: Entity Framework ADO.NET Data Services Datasets Enhancements You can register the event here . I hope to see you there.
Building ADO.NET Data Services Ajax Queries Using a QueryBuilder In today’s post I’m going to explain how to use the QueryBuilder object of the ASP.NET Ajax client library for building queries to an ADO.NET data service . The QueryBuilder Object In the ASP.NET Ajax client library there is a new namespace – Sys.Data . This namespace hosts the main client side objects to interact with data services. You can recall that I wrote about the ASP.NET Ajax client library in a previous post . The QueryBuilder...
Creating Associations Between Objects in ADO.NET Data Services In today’s post I’m going to show how to create an association between two objects from a ADO.NET Data service .NET client and how simple it is. Creating Associations Data services expose resources (entities) and links ( associations ). When we generate a .NET client proxy the links ( associations ) are built as properties of the objects. When we associate an object to another object we have to explicitly tell the proxy to add the association...
Eager Loading and Lazy Loading in ADO.NET Data Services In today’s post I’m going to explain how to achieve eager loading and lazy loading functionality with A DO.NET data services .NET clients. What are Eager Loading and Lazy Loading? Lazy loading is a design pattern that is commonly used to defer initialization of an object up until it is needed by the program. The gains of using the pattern include efficiency (if it’s used right) and sometime performance. Eager loading is the opposite pattern...
Building a Host for ADO.NET Data Service After you built your data service you will probably want to deploy it. In the following post I’m going to explain how you can build a simple host for an ADO.NET data service without the use of svc file. Data Service Hosting The ADO.NET data services are not autonomous server entities. They live in the context of their service host such as WCF or ASP.NET . The data service host is handling the direct interactions with the network and supports caching, scalability...
ADO.NET Data Services Slide Deck Today I had an ADO.NET data services session in the The Israel Visual Basic User Group (IVBUG) . The session agenda: Why ADO.NET Data Services at All? Data Services Architecture in a Nutshell Creating and Consuming Data Services As promised the slide deck and demos (in C# and in VB) can be downloaded from here . I want to thank Jackie Goldstein for the opportunity to lecture in IVBUG . Also, I want to thank all the participants of the session . I really had a good...
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