c# database datatypes code example
Example 1: c# data types
Type | Represents | Range | Default Value
bool Boolean value True or False False
byte 8-bit unsigned integer 0 to 255 0
char 16-bit Unicode character U +0000 to U +ffff '\0'
decimal 128-bit precise decimal values (-7.9 x 1028 to 7.9 x 1028) 0.0M
with 28-29 significant digits / 100 to 28
double 64-bit double-precision floating (+/-)5.0 x 10-324 0.0D
point type to (+/-)1.7 x 10308
float 32-bit single-precision floating -3.4 x 1038 to + 3.4 x 1038 0.0F
point type
int 32-bit signed integer type -2,147,483,648 to 2,147,483,647 0
long 64-bit signed integer type -9,223,372,036,854,775,808 0L
to 9,223,372,036,854,775,807
sbyte 8-bit signed integer type -128 to 127 0
short 16-bit signed integer type -32,768 to 32,767 0
uint 32-bit unsigned integer type 0 to 4,294,967,295 0
ulong 64-bit unsigned integer type 0 to 18,446,744,073,709,551,615 0
ushort 16-bit unsigned integer type 0 to 65,535 0
Example 2: c# data types
sbyte myNum = 1;
uint myNum = 3;
short myNum = 4;
int myNum = 5;
long myNum = 10;
float myFloat = 1.2f;
double myDoubleNum = 5.99;
decimal myDecimalNum = 2.2M;
char myLetter = 'D';
string myString = "Hello!"
bool myBool = true;