Format a numeric value
Format a numeric value
minimum integer digits (defaults to 1, -1 defines no minimum)
minimum fraction digits (defaults to 0, -1 defines no minimum)
maximum integer digits (defaults to -1 for no maximum)
maximum fraction digits (defaults to -1 to set the max the same as the minimum)
grouping mode (defaults to Grouping.None)
rounding mode for maximum fraction digits (defaults to RoundingMode.HalfUp)
formatted String for the numeric value