ASP.NET 4 Unleashed

Chapter 20. Data Access with LINQ to SQL

In This Chapter

• New C# and VB.NET Language Features

• Creating LINQ to SQL Entities

• Performing Standard Database Commands with LINQ to SQL

• Creating a Custom LINQ Entity Base Class

• Summary

A vast chasm separates the way developers work with transient application data and the way developers work with persistent database data. In our applications, we work with objects and properties (created with either C# or VB.NET). In most databases, on the other hand, we work with tables and columns.

This is true even though our applications and our databases represent the very same data. For example, you might have both a class and a database table named Product that represents a list of products you sell ...