Convert.ToString Method (Double)

Converts the value of the specified double-precision floating-point number to its equivalent string representation.

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

public static string ToString(
	double value


Type: System.Double

The double-precision floating-point number to convert.

Return Value

Type: System.String
The string representation of value.

This implementation is identical to Double.ToString().

The following example converts a Double to a String.

		public void ConvertDoubleString(double doubleVal) {
			string	stringVal;     

			// A conversion from Double to string cannot overflow.       
			stringVal = System.Convert.ToString(doubleVal);
			System.Console.WriteLine("{0} as a string is: {1}",
				doubleVal, stringVal);

			try {
				doubleVal = System.Convert.ToDouble(stringVal);
				System.Console.WriteLine("{0} as a double is: {1}",
					stringVal, doubleVal);
			catch (System.OverflowException) {
					"Conversion from string-to-double overflowed.");
			catch (System.FormatException) {
					"The string was not formatted as a double.");
			catch (System.ArgumentException) {
					"The string pointed to null.");

.NET Framework

Supported in: 4.6, 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

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 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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