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19-May-2020 15:41

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Alternatively we could map SPROCs to our Data Context and use them to populate the data model classes (I cover how to-do this in my Part 6: Retrieving Data using Stored Procedures LINQ to SQL tutorial).

When building a LINQ to SQL data layer you'll usually want to encapsulate common LINQ queries (or SPROC invocations) into helper methods that you add to your Data Context class.

LINQ to SQL is a built-in O/RM (object relational mapper) that ships in the .

NET Framework 3.5 release, and which enables you to model relational databases using . You can use LINQ expressions to query the database with them, as well as update/insert/delete data.

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We can write the below code to do all of this within a single transaction. Submit Changes() Hello cppvb:) Have you modified the LINQ generated file's contents?Over the last few weeks I've been writing a series of blog posts that cover LINQ to SQL.LINQ to SQL will ensure that our business logic validation rules are clean before saving anything in the database: LINQ to SQL monitors the modifications we make to the objects we retrieve from the Data Context, and keeps track of all of the objects we add into it. Submit Changes() at the end, LINQ to SQL will check that our business logic rules are valid, and if so automatically generate the appropriate dynamic SQL to update our Customer record above, and insert a new record into the Orders table.

If you are still reading this, you might be feeling confused about where SPROCs fit into this post.

I can't imagine WHY it would be different, but it's possible. Thanks so much for your time and appreciate your patience. Since it is not fixed, I am not marking it as answer so as not to mislead others.



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