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Answer 1

+1 A:

String.Format("{0:0,0}", 10562.3093);

I keep this website bookmarked for these purposes: String Formatting in C#

drharris 2010-07-27 17:33:30

Using "0,0" will prefix single digit numbers with a 0: String.Format("{0:0,0}", 2.3093); results in "02", using "#,#" instead will prevent this.

Phil Lamb 2010-07-27 17:41:54

Won't work either: 0 will turn into nothing. You should use either `N0` or `#,0`.

Ruben 2010-07-27 17:51:19

Answer 2

+1 A:

string.Format("{0:n0}", 10562.3093);

dcp 2010-07-27 17:35:08

Answer 3

A:

double x = 10562.3093;
x.ToString("#,0");

or

String.Format("{0:#,0}", 10562.3093);

Phil Lamb 2010-07-27 17:35:59

Won't work either: 0 will turn into nothing. You should use either `N0` or `#,0`.

Ruben 2010-07-27 17:50:44

Edited, I didn't consider that case.

Phil Lamb 2010-07-27 18:00:01

Answer 4

+1 A:

string formatted = value.ToString("N0");

This divides your number in the manner specified by the current culture (in the case of "en-US," it's a comma per multiple of 1000) and includes no decimal places.

The best place to look for any question regarding formatting numbers in .NET would have to be here:

Standard Numeric Format Strings (MSDN)

And here:

Custom Numeric Format Strings (MSDN)

Dan Tao 2010-07-27 18:01:49

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