Data Types in C#

Short Name	.NET Class	Type	Width(bytes)	Range (bits)
byte	Byte	Unsigned integer	1	0 to 255
sbyte	SByte	Signed integer	1	-128 to 127
int	Int32	Signed integer	4	-2,147,483,648 to 2,147,483,647
uint	UInt32	Unsigned integer	4	0 to 4294967295
short	Int16	Signed integer	2	-32,768 to 32,767
ushort	UInt16	Unsigned integer	2	0 to 65535
long	Int64	Signed integer	8	-9223372036854775808 to 9223372036854775807
ulong	UInt64	Unsigned integer	8	0 to 18446744073709551615
float	Single	Single-precision floating point type	4	-3.402823e38 to 3.402823e38
double	Double	Double-precision floating point type	8	-1.79769313486232e308 to 1.79769313486232e308
char	Char	A single Unicode character	2	Unicode symbols used in text
bool	Boolean	Logical Boolean type	1	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	16	±1.0 × 10e−28 to ±7.9 × 10e28
DateTime	DateTime	Indicates date & time	8	0:00:00 (midnight) on January 1, 0001 through 11:59:59 PM on December 31, 9999