Visual Studio IDE and Tools Support for LINQ
The Visual Studio 2010 integrated development environment (IDE) provides the following features that support LINQ application development:
SQLMetal is a command-line tool that can be used in build processes to generate classes from existing databases for use in LINQ to SQL applications. For more information, see SqlMetal.exe (Code Generation Tool).
The Visual Studio debugger supports debugging of query expressions. For more information, see Debugging LINQ.