Fixed-Point ("F") Format Specifier
Description
The fixed-point ("F") format specifier converts a number to a string of the form "-ddd.ddd..." where each "d" indicates a digit (0-9).
| Item | Value |
|---|---|
| Format specifier | "F" or "f" |
| Supported by | All numeric types. |
| Result | Integral and decimal digits with optional negative sign. |
| Precision specifier | Number of decimal digits. |
| Default precision specifier | Defined by System.Globalization.NumberFormatInfo. |
Example,
| Value | Format | Formatted |
|---|---|---|
| 1234.567 | ("F", en-US) | 1234.57 |
| 1234 | ("F1", en-US) | 1234.0 |
| -1234.56 | ("F4", en-US) | -1234.5600 |
| -1234.56 | ("F4", de-DE) | -1234,5600 |
The following NumberFormatInfo properties controls the formatting.
- NegativeSign
- NumberDecimalSeparator
- NumberDecimalDigits
Example
using System;/*w w w.jav a2 s . c o m*/
using System.Globalization;
class MainClass
{
static void Main()
{
int integerNumber;
integerNumber = 17843;
Console.WriteLine(integerNumber.ToString("F",
CultureInfo.InvariantCulture));
// Displays 17843.00
integerNumber = -29541;
Console.WriteLine(integerNumber.ToString("F3",
CultureInfo.InvariantCulture));
// Displays -29541.000
}
}
The code above generates the following result.
