C# 2010 linq to sql

Question

In a C#.asp.net 2010 web form application that connects to a sql server 2008 r2 database, I would like to write a linq to sql
statement that will translate to:

Select field1 from testtable
where column1='customer' and column2 = 'statename'.

The sql would run using an existing datacontext object.

Can you should me some code that would accomplish this task?