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Int64.Parse Method (String, NumberStyles)

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

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

public static long Parse (
	string s,
	NumberStyles style
)
public static long Parse (
	String s, 
	NumberStyles style
)
public static function Parse (
	s : String, 
	style : NumberStyles
) : long

Parameters

s

A string containing a number to convert.

style

A bitwise combination of NumberStyles values that indicates the permitted format of s. A typical value to specify is Integer.

Return Value

A 64-bit signed integer equivalent to the number specified in s.

Exception typeCondition

ArgumentNullException

s is a null reference (Nothing in Visual Basic).

ArgumentException

style is not a NumberStyles value.

-or-

style is not a combination of AllowHexSpecifier and HexNumber values.

FormatException

s is not in a format compliant with style.

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]

Or, if style includes AllowHexSpecifier:

[ws]hexdigits[ws]

Items in square brackets ([ and ]) are optional, and other items are as follows.

ws

Optional white space if permitted by style.

sign

An optional sign.

digits

A sequence of digits from 0 through 9.

hexdigits

A sequence of hexadecimal digits from 0 through f, or 0 through F.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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