Republished with Permission - Original Article
Over the last few weeks I've been writing a series of blog
posts that cover LINQ to SQL. 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 easily model relational databases using .NET classes. You
can use LINQ expressions to query the database with them, as well as
Below are the first three parts of my LINQ to SQL series:
Part 1: Introduction to LINQ to SQL
Part 2: Defining our Data Model Classes
Part 3: Querying our Database
In today's blog post I'll cover how we we can use the data
model we created earlier, and use it to update, insert, and delete data.
I'll also show how we can cleanly integrate business rules and custom
validation logic with our data model.