Asp.net format function usage (c)

Format function return

Returns Variant (String), which contains an expression that is formatted according to the instructions in the format expression.

Syntax

Format (expression [, format [, firstdayofweek [, firstweekofyear])

The syntax of the C # Format function includes the following parts:

Description
Expression Parameters. Any valid expression.
The format parameter is optional. A valid naming expression or custom format expression.

Optional parameter of firstdayofweek. Constant, indicating the first day of a week.
Firstweekofyear is an optional parameter. Constant, indicating the first week of a year.

The C # Format function displays or prints a Date variable in a predefined Format. For example:
Print Format (d, "general date") '99-5-23 11:45:34
Print Format (d, "long date") 'August 1, May 23, 1999
Print Format (d, "medium date") '99-05-23
Print Format (d, "short date") '99-5-23
Print Format (d, "long time") '11: 45: 34
Print Format (d, "medium time") '11: 45 AM
Print Format (d, "short time") '11: 45

 

Character	Description	Example	Output
C	Currency	String. Format("{0: C3}", 2)	$2.000
D	Decimal	String. Format("{0: D3}", 2)	002
E	Scientific notation	1.20E + 001	1.20E + 001
G	General	String. Format("{0: G}", 2)	2
N	Number separated by semicolons	String. Format("{0: N}", 250000)	250,000.00
X	Hexadecimal	String. Format("{0: X000}", 12)	C
		String. Format("{0. 000}", 12.2)	012.200

Example:
12345. ToString ("n"); // Generate 12,345.00
12345. ToString ("C"); // Generate $12,345.00
12345. ToString ("e"); // Generate 1.234500e + 004
12345. ToString ("f4"); // Generate 12345.0000
12345. ToString ("x"); // Generate 3039 (hexadecimal)
12345. ToString ("p"); // Generate 1,234,500.00%