Type Primitive Description Range
bool System.Boolean Boolean true or false
byte System.Byte 8-bit integer 0 to 255
char System.Char 16-bit Unicode character /u0000 to /uffff
decimal System.Decimal 128-bit decimal (+/-)1.0 × 10^-28 to (+/-)7.9 × 10^28, with 28 to 29 digits of precision
double System.Double 64-bit floating point -1.79769313486232e308 to 1.79769313486232e308
float System.Single 32-bit floating point (+/-)1.5 × 10^-45 to (+/-)3.4 × 10^38, with 7 digits of precision
int System.Int32 32-bit unsigned integer -2,147,483,648 to 2,147,483,647
long System.Int64 64-bit integer -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807
sbyte System.SByte 8-bit integer -128 to 127
short System.Int16 16-bit integer -32,768 to 32,767
string System.String not applicable String is an immutable variable length string.
uint System.UInt32 32-bit unsigned integer 0 to 4,294,967,295
ulong System.UInt64 64-bit unsigned integer 0 to 18,446,744,073,709,551,615
ushort System.UInt16 16-bit unsigned integer 0 to 65,535