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49 Articles match "How To","Objects"

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Essential LINQ with the Entity Framework
In this course, you learn to: Leverage new features of C# 3.0, including extension methods and lambda expressions Use LINQ to filter, sort, and group in-memory collections of objects Create LINQ to SQL queries to execute SQL Server stored procedures and perform updates in real-world database applications Write LINQ to XML queries to search XML documents and save them to the file system Build a rich conceptual entity model using the EF and to visually map it to a database schema Use LINQ to Entities to write strongly typed queries against the Entity Data Model Detect and resolve concurrency
DevelopMentor Courses - Friday, June 12, 2009
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Foundations of C# Programming and the .NET Framework
Examine core language features such as types, variables, and control constructs Use object-oriented features such as class, interface, protection, and inheritance Perform error notification and error handling using exceptions Use properties to implement the private data/public accessor pattern Use namespaces to group related types Use delegates and events to implement callbacks Override Object class methods such as ToString Avoid dll conflicts during deployment Use dynamic binding and polymorphism to write generic code (i.e., Distinguish between "implementation
DevelopMentor Courses - Friday, June 12, 2009
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Essential Spring 2.5 and Hibernate
Explain how the issues associated with object persistence in a relational model are addressed by Hibernate Understand the relationships between SQL, Java, Spring, and Hibernate Discuss the challenges to adopting Hibernate in the enterprise Write applications that take advantage of the Hibernate Persistence Manager. Map Java classes to relational tables. Capture both relational and inheritance associations in metadata using either XML or the Java 5 Annotations mechanism. Create and use mappings between Java classes and relational databases.
DevelopMentor Courses - Friday, June 12, 2009
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47 Articles match "How To","Objects"

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Trackable DTO’s: Taking N-Tier a Step Further with EF4
While STE’s are placed in an assembly that does not reference the Entity Framework, the way in which change state is preserved in an STE is overly complex because it tries make it easier for EF to transmit those changes to the ObjectStateManager on the service side. Requiring a Java client to implement all that is asking an awful lot, and it couples the client too tightly to the service implementation. Download code for this post here . Not long ago my friend and colleague Richard Blewett wrote a blog post on Self-Tracking Entities in EF4, in which he questioned
Tony and Zuzana's World - Friday, February 19, 2010
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MVVM: IUIVisualizer and event management with behaviors
It’s not designed to be a true image maps mouse DoubleClick on an image into a command in the ViewModel to display the properties. I’m trying to keep to a consistent model: even if I don’t anticipate needing them all, it doesn’t hurt to have them there. In this post, we will look at the IUIVisualizer , and bring together some some of the concepts we’ve talked about already through a new sample – a simple picture viewer:
Mark's Blog of Random Thoughts - Friday, February 5, 2010
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MVVM: Binding RadioButton groups
A question I got recently was how to manage Radio Buttons with bindings – in this instance, instance, the sample code was trying to map a single value to a set of Radio Buttons based to Initially this seemed to work, but as you changed the current enumeration based on an enumeration set. The original implementation was using a Value Converter to
Mark's Blog of Random Thoughts - Friday, January 29, 2010
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  • Sending your own objects to a WF4 workflow
    In the previous two blog posts ( here and here ) I showed how to create and expose a Windows Workflow Foundation 4 workflow via WCF and have both a workflow and a regular C# client work with it. So how about passing some more complex data. To show how to do so I will replace the singe string with a person object. Admittedly not the most But the parameter and return value where real simple with just a string each. The CreateWorkflow() function will change now reflecting the fact that the service will no longer expect a string but a person object.
    The Problem Solver - Thursday, August 20, 2009
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  • Using Model – View – ViewModel with Silverlight
    have found it extremely easy to use when developing very different applications and have used the design pattern recently in both ASP.NET, WPF and Silverlight applications. However easy as it might be is seems to confuse people as I have seen some terrible examples where people make a complete mess of things. Josh Smith did an excellent screen cast for Pixel8 on using MVVM with WPF, you can find it here . Even thought the UI technology used doesn't change the basic MVVM pattern there are some subtle differences, like not easily being able to use ICommand in Silverlight,
    The Problem Solver - Tuesday, April 7, 2009
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  • Using Windows Workflow Foundation 4 Receive from an non WF client
    In a previous blog post I described how to use the WorkflowServiceHost and host a workflow with a Receive activity that waits for WCF messages. However a lot of clients out there are not going to be workflows but “regular” code that calls into out workflow. So what does it take to have a simple console application talk to our WF4 service? The first thing we need is an service contract describing the operation I also added a WF4 client that called the service and received a response.
    The Problem Solver - Wednesday, August 19, 2009
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  • Naked Objects
    I first heard about Naked Objects (the Naked Objects website is here ) in a presentation at the SPA 2005 conference and have been intrigued since. I finally managed to find time to read the book ( Naked Objects by Richard Pawson & Robert Matthews ) and I can recommend it. Naked Objects brings a different approach to software architecture. The book itself is different. Like Tom Peters Re-imagine!
    Allan Kelly's Blog - Thursday, February 9, 2006
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  • WF4&WCF and message correlation
    In the previous blog posts, here , here and here , I demonstrated how to use WCF from WF4. This same some more about sending multiple messages to the same workflow, AKA Workflow Correlation. One of the ugly parts of Windows Workflow Foundation 3 was the message correlation part when you used WCF to send multiple messages to the same workflow. When using WF3 you where forced to use one of the context bindings like BasicHttpContextBinding or WSHttpContextBinding. Not only that but you also had to retrieve and set the correlation context using the IContextManager and set it to some arcane guid.
    The Problem Solver - Wednesday, September 2, 2009
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  • Marshalling native function pointers
    Now that the book is written and all urgent tasks I had to defer due to the book are done, I find some time to blog about technical topics. Recently, a customer asked me how to marshal function pointers across managed / unmanaged of a pitfall specific to marshaling function pointers, interop boundaries. If you know a simple API and two attributes and if you are aware
    Marcus' Blog - Friday, April 6, 2007
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  • Unit testing (from objectives)
    Still responding to the questions posted in response to my TDD and objectives entry. The question was about how to do TDD, specifically UI and also about what happens when the general consistency fails. You can, but you have to jump through hoops to get your test framework to push buttons. Well the UI question is easy: You can’t really do TDD for user interfaces. Of course there are tools which will do this for you but these usually fall into the realm of ATDD (Acceptance TDD) and system testing.
    Allan Kelly's Blog - Monday, July 2, 2007
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