Gunnar Peipman's ASP.NET blog

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Using AutoMapper to build base class for mappers between domain classes and models
It is often good idea to isolate our domain model from consuming applications by using service layer and data transfer objects (DTO) or application specific models. Using DTO-s means that we need two-way mapping between domain classes and DTO-s. In this...
ASP.NET MVC: Moving code from controller action to service layer
I fixed one controller action in my application that doesn’t seemed good enough for me. It wasn’t big move I did but worth to show to beginners how nice code you can write when using correct layering in your application. As an example I use code from...
Returning paged results from repositories using PagedResult<T>
During my large database experiment I wrote simple solution for paged queries that I can use in my repositories. This far my experiments have shown pretty good results and I think it is time to share some of my code with you. In this posting I will show...
Using timer based Unit of Work and Command classes to measure repositories performance
In my last post Find out how long your method runs I introduced how to measure the speed of code using actions. In this posting I will make a step further and give you some ideas about how to create easily measurable code units and how to build measurable...
Visual Studio Extension: Save UML diagram as image
I am auditing one big legacy application. I use Visual Studio 2010 modeling projects to visualize the design of this legacy application. When I wanted to get my UML diagrams to image files so I can insert them to documents I found no option for it. As...
Visual Studio 2010: Generating sequence diagrams on the fly
One nice feature that Visual Studio 2010 provides is generating sequence diagrams on the fly. Just point out method and choose diagram generating option from context menu. In this posting I will show you how to generate sequence diagrams on the fly. To...
Visual Studio 2010: Visualizing dependencies
Visual Studio 2010 introduces new and cool feature – architecture diagrams that visualize dependencies between assemblies, namespaces and classes. In this posting I will show you how these diagrams look like and provide some explanations about how to...
Visual Studio 2010: UML modeling projects
Visual Studio 2010 introduces modeling projects that bring UML diagrams to Visual Studio. Currently it is not possible to generate classes from diagrams automatically but I don’t think it is a problem – good UML diagrams visualize different aspects of...
Writing cache based repositories for web application prototyping
When I started building in-house demo application I thought about how to solve temporary data layer so I don’t have to use real database and object mappings for it. Playing with new object model and new components I move way faster if I don’t have any...
Modeling people and organizations: Class Party
Classes for people and organizations are often modeled incorrectly in object models. These faults cause heavy implementation problems. In this posting I will analyze some legacy models, introduce class Party as generalization of people and organizations...
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