You can use numeric formatting characters to display numbers in particular formats. These formats work with a variable's ToString method as well as with String.Format. For example, the code value.ToString("C") returns the variable value formatted as currency.

This example builds a ListView that demonstrates the various standard numeric formats. It then uses code from the example Make a program generate HTML table code for ListView data and display it in a WebBrowser control in C# to convert the results into the following HTML table.

Floating Point Formats
Name	Format	Result
Currency	C or c	($12,345.68)
Exponential	E or e	-1.234568E+004
Fixed Point	F or f	-12345.68
General	G or g	-12345.6789
Number	N or n	-12,345.68
Percent	P or p	-1,234,567.89 %
Round-trip	R or r	-12345.6789
Integer Formats
Name	Format	Result
Decimal	D or d	-123456789
Hexadecimal	H or h	F8A432EB

See also:

• Use the DateTime class's standard formatting methods in C#
• Use custom date and time formats in C#
• Use custom numeric formats in C#
• Use standard date and time formats in C#
• Use standard numeric formats in C#
• Use standard numeric formats in C# (earlier version)