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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, 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

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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