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Editorial Team
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Asked: 2026-05-14T14:20:46+00:00

I’ve started a project for school in which I am using ASP.NET MVC 2

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I’ve started a project for school in which I am using ASP.NET MVC 2 + LINQ2SQL, and a business layer so my UI doesnt interact with the DB directly. My question is this:

In my MVC project, when bringing up views and passing around data, I still have to include my Data project for access to the classes in my Linq2Sql project. Is this correct?

Example:

Controller:

ClassesRepository cr = new ClassesRepository(); // this is from my Business project
Class classToEdit = cr.GetByClassId(id); // "Class" is from my data project

I still have to reference the Class class in my linq2sql data project – shouldn’t my UI be completely independent of my data layer? Or maybe I’m going about this all wrong.

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1 Answer

  1. Editorial Team

    I prefer to have my Repository do the mapping internally to my own classes. So what I return from my repository is not the LinqToSql classes but my own. I then map the returned classes data into a model for each views.

    So it looks like:

    LinqToSQL class -> MyClass (output from Repository at this point) -> (controller maps to model for a specific view) MyModel.

    Make sure to always make a model for each view. You can just use what your repository returns but that is a short cut and mapping it to their own view models will pay off in the future.

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