Query
public void Linq2()
{
    List products = GetProductList();
      
    var soldOutProducts =
        from p in products
        where p.UnitsInStock == 0
        select p;
      
    Console.WriteLine("Sold out products:");
    foreach (var product in soldOutProducts)
    {
        Console.WriteLine("{0} is sold out!", product.ProductName);
    }
}
Lambda Expression
public void Linq2() 
{
    List products = GetProductList();
 
    var soldOutProducts = products.Where(prod => prod.UnitsInStock == 0);
 
    Console.WriteLine("Sold out products:");
    foreach (var product in soldOutProducts)
    {
        Console.WriteLine("{0} is sold out!", product.ProductName);
    }
}
Output
Sold out products:
Chef Anton's Gumbo Mix is sold out!
Alice Mutton is sold out!
Thüringer Rostbratwurst is sold out!
Gorgonzola Telino is sold out!
Perth Pasties is sold out!