Format a number with X decimal places and InvariantCulture?

In case you have Decimal not Double:

string.Format(CultureInfo.InvariantCulture, "{0:f5}", m)

as Decimal.ToString() does not have these overloads

How about using the overload which takes both a format and a culture:

decimal m = 123.4567890123m;
string x = m.ToString("N5", CultureInfo.InvariantCulture);

(Obviously substitute double for decimal if you're using that; there's an equivalent overload.)

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