V

Validate method, 192–193

value types, 94, 127

var keyword

language extensions, 4

object initialization, 48

type inference, 29–30

variables

initializing, 42

late binding, 30

passing code to, 24

type inference, 29–31, 52

VARIANT type (COM), 29

variants, 30

views, 128, 130

Visual Basic

anonymous types, 58–59

closures, 61–62

declarative programming, 12–13

extension methods, 54–56

imported namespaces, 15

lambda expressions, 61

LINQ to XML, 16

local type inference, 52–54

nullable types, 51–52

object initialization expressions, 56–58

overview, 51

query expressions, 59–61

relaxed delegates, 68–69

type checking support, 14

XML manipulation, 10–11

XML support, 62–68

Visual Studio

creating entities from databases, 158

LINQ support, 17

stored procedures, 157

type checking support, 14