.ToDouble Method (String)
Converts the specified string representation of a number to an equivalent double-precision floating-point number.
static member ToDouble :
value: string -> float
Parameters value Type: System .String
A string that contains the number to convert.
System .Double A double-precision floating-point number that is equivalent to the number in value, or 0 (zero) if value is . a null reference ( Nothing in Visual Basic)
method is equivalent to passing ToDouble(String) value to the method. Double .Parse(String) value is interpreted by using the formatting conventions of the current thread culture.
If you prefer not to handle an exception if the conversion fails, you can call the
method instead. It returns a Double .TryParse value that indicates whether the conversion succeeded or failed. Boolean
The following example attempts to convert each element in an array of numeric strings to a
. The example's output is from a system whose current culture is en-US. Double
No code example is currently available or this language may not be supported.
Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1
Portable Class Library
Supported in: Portable Class Library
.NET for Windows Store apps
Supported in: Windows 8
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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