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Int32.ToString Method (String)

Converts the numeric value of this instance to its equivalent string representation, using the specified format.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

member ToString : 
        format:string -> string

Parameters

format
Type: System.String

A standard or custom numeric format string.

Return Value

Type: System.String
The string representation of the value of this instance as specified by format.

ExceptionCondition
FormatException

format is invalid or not supported.

The ToString(String) method formats an Int32 value in a specified format by using a NumberFormatInfo object that represents the conventions of the current culture. If you want to use the default ("G", or general) format or specify a different culture, use the other overloads of the ToString method, as follows:

To use format

For culture

Use the overload

Default ("G") format

Default (current) culture

ToString()

Default ("G") format

A specific culture

ToString(IFormatProvider)

A specific format

A specific culture

ToString(String, IFormatProvider)

The format parameter can be any valid standard numeric format specifier except for "R", as well as any combination of custom numeric format specifiers. If format is a null reference (Nothing in Visual Basic) or an empty string (""), the return value of this instance is formatted with the general numeric format specifier ("G").

The .NET Framework provides extensive formatting support, which is described in greater detail in the following formatting topics:

The return value of this instance is formatted with the NumberFormatInfo for the current culture.

The following example displays an Int32 value using each of the supported standard numeric format specifiers, together with two custom numeric format strings. In converting the numeric values to strings, the example uses the formatting conventions of the en-US culture.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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