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Format a decimal with Culture Info and thousand separators

Posted on 2009-04-04
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Last Modified: 2013-12-17
I have a value in the database that is stored using the en-US culture info number formatting:
20802.10549248

I want to display this value in my .Net C# web app using the user's CultureInfo.CurrentUICulture.NumberFormat, including the thousand separators.  But I also do not want to truncate any of the decimal places.

So, if the user's Thread.CurrentThread.CurrentUICulture is set to "en-US", I want the number to show as:
20,802.10549248

If the user's  Thread.CurrentThread.CurrentUICulture is set to "fr-BE", I want the number to show as:
20.802,10549248

I have only seen solutions that specify a certain number of decimal places, which would truncate my value.  Right now I have the code as follows:
return ((double)value).ToString(CultureInfo.CurrentUICulture.NumberFormat);
However, this doesn't insert the thousand separator as I want it to.

I also tried variations on:
return ((double)value).ToString("n", CultureInfo.CurrentUICulture.NumberFormat);
Which all insert the thousand separator, nut "n" truncates to 2 decimal places and any number (i.e. 0 or 2 or 10) after the "n" truncates the decimals or adds padding zeros.

Does anyone have a solution for this seemingly simple problem?

Thanks in advance!
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Question by:chinacat456
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pivar earned 2000 total points
ID: 24069083
Hi,

How about (you can use as many # as decimalholders as you like, they will only be shown if the digit is significant)

return ((double)value).ToString("#,0.#############", CultureInfo.CurrentUICulture.NumberFormat);

/peter
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