string.Format() Question

[Roger Helliwell]

Hello Everyone,

Has anyone found a quick reference for the many string formatting
options for string.Format() ? I'm spending a ridiculous amount of time
trying to write one line of code that would take about 3 seconds in C.
(Sarcasm not intended.)

All I need is a format string to zero pad an integer out to 9 digits.

[C]
int n = 1234;
printf("PU%09", n); // Displays "PU000001234"

[C#]
int n = 1234;
string pu = string.Format("{0}", n); // How to pad to 9 digits?

If anyone has a link to the full format string syntax, let me
know--I'll probably run into a similar problem in the future. (MSDN
was no help.)

Many thanks,
Roger

 

[William]

[C#]
int n = 1234;
string pu = string.Format("{0}", n); // How to pad to 9 digits?

I think you would write:

string pu = string.Format("{0:n9}", n); // How to pad to 9 digits?

Bill

 

[William]

(MSDN was no help.)

Also look here:
http://www.codeproject.com/csharp/custstrformat.asp

Bill

 

[William]

(MSDN was no help.)

Another reference:
http://www.stevex.org/dottext/articles/158.aspx

Bill

 

[Roger Helliwell]

Also look here:
http://www.codeproject.com/csharp/custstrformat.asp

Thanks Bill... exactly what I was looking for!

 

[William]

Thanks Bill... exactly what I was looking for!

You're welcome! I got lucky <g>.

Bill

 

[Morten Wennevik]

Hi Roger,

Not really an answer to your question, but to format a DateTime you could the format characters on this page

http://msdn.microsoft.com/library/e...globalizationdatetimeformatinfoclasstopic.asp

DateTime.Now.ToString("H:mm:ss:fff") gives you a 24-hour click with milliseconds.

 

[mikeb]

Hello Everyone,

Has anyone found a quick reference for the many string formatting
options for string.Format() ? I'm spending a ridiculous amount of time
trying to write one line of code that would take about 3 seconds in C.
(Sarcasm not intended.)

All I need is a format string to zero pad an integer out to 9 digits.

[C]
int n = 1234;
printf("PU%09", n); // Displays "PU000001234"

[C#]
int n = 1234;
string pu = string.Format("{0}", n); // How to pad to 9 digits?

If anyone has a link to the full format string syntax, let me
know--I'll probably run into a similar problem in the future. (MSDN
was no help.)

Information on formatting strings is more difficult to find that it
should be. For formatting numbers search the docs for "custom numeric
format strings".