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Editorial Team
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Asked: 2026-05-12T08:30:09+00:00

Im working on a project at work which is pretty much a commissioning manager

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Im working on a project at work which is pretty much a commissioning manager and i cant seem to figure out how to link the Items table properly in linq to sql.

I have a package detail table that has (among other things)

DepartmentID, CategoryID, ItemID

And the Items table (is actually a database view as its from a different database and is read only in this app) also have these 3 fields but when i add an association with these 3 fields it doesnt add that as a property object ot the PackageDetail class

am i doing something wrong with the association? all the single ones im doing work fine…

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1 Answer

  1. Editorial Team

    I don’t believe that Linq-to-SQL can properly model an association with a composite key:

    Is it beneficial to use multicolumn (composite) primary keys when using Linq to SQL?

    However, you can still load objects with composite keys in a Linq-to-SQL query using an anonymous object as the (single) key:

    http://msdn.microsoft.com/en-us/library/bb399391.aspx

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