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Single.ToString Method in C# | Set - 1

Single.ToString Method in C# | Set - 1

Last Updated : 11 Jul, 2025

Single.ToString() Method

is used to convert the numeric value of the current instance to its equivalent string representation. There are 4 methods in the overload list of this method as follows:

Here, we will discuss the first two methods.

ToString(String) Method

This method is used to convert the numeric value of the current instance to its equivalent string representation, using the specified format.

Syntax: public string ToString (string format); Here, it takes a numeric format string. Return Value: This method returns the string representation of the value of the current instance as specified by format. Exceptions: This method throws FormatException if format is invalid.
Example 1: csharp 
// C# program to demonstrate the
// Single.ToString(String) Method
using System;

class GFG {

    // Main Method
    public static void Main()
    {
        try {

            // Declaring and initializing value
            float value = 565998.1564f;

            // Declaring and initializing format
            string s = "E04";

            // using the method
            string str = value.ToString(s);

            // Display the value
            Console.WriteLine("String value is {0}", str);
        }

        catch (FormatException e) 
        {
            Console.WriteLine("Format is invalid.");
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}
Output: 
String value is 5.6600E+005
Example 2:

For

FormatException csharp 
// C# program to demonstrate the
// Single.ToString(String) Method
using System;

class GFG {

    // Main Method
    public static void Main()
    {
        try {

            // Declaring and initializing value
            float value = 1623325.62412f;

            // Declaring and initializing format
            string s = "a";

            // using the method
            string str = value.ToString(s);

            // Display the value
            Console.WriteLine("String value is {0}", str);
        }

        catch (FormatException e)
        {
            Console.WriteLine("Format is invalid.");
            Console.Write("Exception Thrown: ");
            Console.Write("{0}", e.GetType(), e.Message);
        }
    }
}
Output: 
Format is invalid.
Exception Thrown: System.FormatException
ToString() Method

This method is used to convert the numeric value of the current instance to its equivalent string representation.

Syntax: public override string ToString (); Return Value: This method returns a string which represents the value of this instance.

Below programs illustrate the use of

Single.ToString()

Method:

Example 1: csharp 
// C# program to demonstrate the
// Single.ToString() Method
using System;

class GFG {

    // Main Method
    public static void Main()
    {

        // Declaring and initializing value
        float value = 792759354.39503305f;

        // using ToString() method
        string res = value.ToString();

        // Display the value
        Console.WriteLine("String value is {0}", res);
    }
}
Output: 
String value is 7.927594E+08
Example 2: csharp 
// C# program to demonstrate the
// Single.ToString() Method
using System;
using System.Globalization;

class GFG {

    // Main Method
    public static void Main()
    {

        // calling get() method
        get(Single.MaxValue);
        get(Single.MinValue);
        get(40f);
        get(424967295.5858f);
    }

    // defining get() method
    public static void get(float value)
    {

        // using ToString() method
        string res = value.ToString();

        // Display the value
        Console.WriteLine("String value is {0}", res);
    }
}
Output: 
String value is 3.402823E+38
String value is -3.402823E+38
String value is 40
String value is 4.249673E+08
Reference:

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