UInt64.Parse Method (String, NumberStyles, IFormatProvider)
Assembly: mscorlib (in mscorlib.dll)
[CLSCompliantAttribute(false)] public static ulong Parse ( string s, NumberStyles style, IFormatProvider provider )
/** @attribute CLSCompliantAttribute(false) */ public static UInt64 Parse ( String s, NumberStyles style, IFormatProvider provider )
CLSCompliantAttribute(false) public static function Parse ( s : String, style : NumberStyles, provider : IFormatProvider ) : ulong
Parameters
- s
A string representing the number to convert.
- style
A bitwise combination of NumberStyles values that indicates the permitted format of s. A typical value to specify is Integer.
- provider
An IFormatProvider that supplies culture-specific formatting information about s.
Return Value
A 64-bit unsigned integer equivalent to the number specified in s.| Exception type | Condition |
|---|---|
| The s parameter is a null reference (Nothing in Visual Basic). | |
| style is not a NumberStyles value. -or- style is not a combination of AllowHexSpecifier and HexNumber values. | |
| The s parameter is not in a format compliant with style. | |
| The s parameter 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.
wsOptional white space if permitted by style.
signAn optional sign.
digitsA sequence of digits from 0 through 9.
hexdigitsA sequence of hexadecimal digits from 0 through f, or 0 through F.
The provider parameter is an IFormatProvider that obtains a NumberFormatInfo. The NumberFormatInfo provides culture-specific information about the format of s. If provider is a null reference (Nothing in Visual Basic), the NumberFormatInfo for the current culture is used.
The following example demonstrates the Parse method.
public class Temperature { /// <summary> /// Parses the temperature from a string in form /// [ws][sign]digits['F|'C][ws] /// </summary> public static Temperature Parse(string s, NumberStyles styles, IFormatProvider provider) { Temperature temp = new Temperature(); if( s.TrimEnd(null).EndsWith("'F") ) { temp.Value = UInt64.Parse( s.Remove(s.LastIndexOf('\''), 2), styles, provider); } else { temp.Value = UInt64.Parse(s, styles, provider); } return temp; } // The value holder protected ulong m_value; public ulong Value { get { return m_value; } set { m_value = value; } } }
public class Temperature
{
/// <summary>
/// Parses the temperature from a string in form
/// [ws][sign]digits['F|'C][ws]
/// </summary>
public static Temperature Parse(String s, NumberStyles styles,
IFormatProvider provider)
{
Temperature temp = new Temperature();
if (s.TrimEnd(null).EndsWith("'F")) {
temp.set_Value(System.Convert.ToInt64(UInt64.Parse(s.Remove(
s.LastIndexOf('\''), 2), styles, provider)));
}
else {
temp.set_Value(System.Convert.ToInt64(UInt64.Parse(s, styles,
provider)));
}
return temp;
} //Parse
// The value holder
protected long mValue;
/** @property
*/
public long get_Value()
{
return mValue;
} //get_Value
/** @property
*/
public void set_Value(long value)
{
mValue = value;
} //set_Value
} //Temperature
public class Temperature { /// <summary> /// Parses the temperature from a string in form /// [ws][sign]digits['F|'C][ws] /// </summary> public static function Parse(s : String, styles : NumberStyles, provider : IFormatProvider) : Temperature { var temp : Temperature = new Temperature(); if( s.TrimEnd(null).EndsWith("'F") ) { temp.Value = UInt64.Parse( s.Remove(s.LastIndexOf('\''), 2), styles, provider); } else { temp.Value = UInt64.Parse(s, styles, provider); } return temp; } // The value holder protected var m_value : ulong; public function get Value() : ulong { return m_value; } public function set Value(value : ulong) { m_value = value; } }
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.
