Standard numeric format strings are used to format common numeric types. A standard numeric format string takes the form [format specifier][precision specifier], where: Format specifier is a single alphabetic character that specifies the type of number format, for example, currency or percent. Any...
所有数值类型的方法的ToString一些重载。 例如,可以向Int32.ToString(String)和Int32.ToString(String, IFormatProvider)方法提供数字格式字符串。 TryFormat所有数值类型的方法,例如Int32.TryFormat(Span<Char>, Int32, ReadOnlySpan<Char>, IFormatProvider)和Single.TryFormat(Span<Char>, Int32, ReadOnlySpan<Cha...
Supported by: All numeric types.Precision specifier: Desired number of decimal places.Default precision specifier: Defined by NumberFormatInfo.PercentDecimalDigits.More information: The Percent ("P") Format Specifier. 1 ("P", en-US) -> 100.00 %1 ("P", fr-FR) -> 100,00 %-0.39678 ("P1"...
The following table describes the standard numeric format specifiers and displays sample output produced by each format specifier. See theNotessection for additional information about using standard numeric format strings, and theExamplesection for a comprehensive illustration of their use....
The following tables contain a few examples of output produced by using the standard numeric format strings.Each column in the following tables corresponds to a row in the Standard Numeric Format Strings topic. The output was produced by the ToString method in conjunction with the standard numeric...
Format numbers, dates, other types Overview Standard numeric format strings Custom numeric format strings Standard date and time format strings Custom date and time format strings Standard TimeSpan format strings Custom TimeSpan format strings
Standard date and time format strings can be used with bothDateTimeandDateTimeOffsetvalues. Tip You can download theFormat Utility, an application that enables you to apply format strings to either numeric or date and time values and displays the result string. ...
Format numbers, dates, other types Overview Standard numeric format strings Custom numeric format strings Standard date and time format strings Custom date and time format strings Standard TimeSpan format strings Custom TimeSpan format strings Enumeration format strings Composite formatting How-tos Work wi...
doubleinf=std::numeric_limits<double>::infinity();doublenan=std::numeric_limits<double>::quiet_NaN();assert(std::format("{0:},{0:+},{0:-},{0: }",1)=="1,+1,1, 1");assert(std::format("{0:},{0:+},{0:-},{0: }",-1)=="-1,-1,-1,-1");assert(std::format("{...
Example 1: Reproduce the Error in charToDate(x) : character string is not in a standard unambiguous format In Example 1, I’ll explain how to replicate the “Error in charToDate(x) : character string is not in a standard unambiguous format” when converting character strings todates in ...