Parse Method (String)
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Int64.Parse Method (String)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Converts the string representation of a number to its 64-bit signed integer equivalent.

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

public static long Parse(
	string s
)

Parameters

s
Type: System.String
A string containing a number to convert.

Return Value

Type: System.Int64
A 64-bit signed integer equivalent to the number contained in s.

ExceptionCondition
ArgumentNullException

s is null.

FormatException

s is not in the correct format.

OverflowException

s represents a number less than MinValue or greater than MaxValue.

The s parameter contains a number of the form:

[ws][sign]digits[ws]

Elements in square brackets ([ and ]) are optional. The following table describes each element.

Element

Description

ws

An optional white space.

sign

An optional sign.

digits

A sequence of digits ranging from 0 to 9.

The s parameter is parsed using the formatting information in a NumberFormatInfo initialized for the current system culture. For more information, see CurrentInfo.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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