Export (0) Print
Expand All

Convert.ToString Method (Double)

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

Namespace:  System
Assemblies:   System.Runtime.Extensions (in System.Runtime.Extensions.dll)
  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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
© 2015 Microsoft