C# 数据类型表

Short Name

.NET Class

Type

Width

Range (bits)

byte

Byte

Unsigned integer

8

0 to 255

sbyte

SByte

Signed integer

8

-128 to 127

int

Int32

Signed integer

32

-2,147,483,648 to 2,147,483,647

uint

UInt32

Unsigned integer

32

0 to 4294967295

short

Int16

Signed integer

16

-32,768 to 32,767

ushort

UInt16

Unsigned integer

16

0 to 65535

long

Int64

Signed integer

64

-9223372036854775808 to 9223372036854775807

ulong

UInt64

Unsigned integer

64

0 to 18446744073709551615

float

Single

Single-precision floating point type

32

-3.402823e38 to 3.402823e38

double

Double

Double-precision floating point type

64

-1.79769313486232e308 to 1.79769313486232e308

char

Char

A single Unicode character

16

Unicode symbols used in text

bool

Boolean

Logical Boolean type

8

True or false

object

Object

Base type of all other types

string

String

A sequence of characters

decimal

Decimal

Precise fractional or integral type that can represent decimal numbers with 29 significant digits

128

±1.0 × 10e?28 to ±7.9 × 10e28