Need to convert double or decimal to string

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Problem :

I need to convert double to string with two decimal digits separated with ‘dot’
My concern is that dot must be always used as separator.

Solution :

The simplest way is to specify CultureInfo.InvariantCulture as the culture, e.g.

string text = d.ToString("N2", CultureInfo.InvariantCulture);

Perhaps to avoid messing up with CultureInfo settings on clients systems, we better set a concrete way to force the machine to use dot as decimal separator and not thousand separator ==> regardless of culture! So,

NumberFormatInfo fi= new NumberFormatInfo();
fi.NumberDecimalSeparator = ".";
string doubleDotDecimalNr = doubleNr.ToString(fi);

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