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C# | Int32.ToString Method | Set – 1

  • Last Updated : 11 Aug, 2021

Int32.ToString Method is used to converts the numeric value of the current Int32 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(IFormatProvider) Method

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

Syntax:  

public string ToString (IFormatProvider provider);

Parameters: This method takes an object of type IFormatProvider which supplies culture-specific formatting information.
Return Value: This method returns the string representation of the value of the current instance in the format specified by the provider parameter.
Example:

csharp




// C# program to demonstrate
// Int32.ToString(IFormatProvider)
// Method
using System;
using System.Globalization;
 
class GFG {
 
    // Main Method
    public static void Main()
    {
        // declaring and initializing Int32 value
        int s1 = 15;
 
        // creating and initializing
        // the object of CultureInfo
        CultureInfo provider = new CultureInfo("en-us");
 
        // Using the method
        string str = s1.ToString(provider);
 
        // Display the value
        Console.WriteLine("The Value is {0} and provider is {1}",
                                           str, provider.Name);
    }
}
Output: 
The Value is 15 and provider is en-US

 

Int32.ToString(String, IFormatProvider) Method

This method is used to convert the numeric value of this instance to its equivalent string representation using the specified format and culture-specific formatting information.
 

Syntax:  

public string ToString (string format, IFormatProvider provider);

Parameters:  

format: It is a standard or custom numeric format string. 
provider: It is an object which supplies culture-specific formatting information. 
 

Return Value: This method returns the string representation of the current instance specified by the format and provider parameter.
Example:

csharp




// C# program to demonstrate the
// Int32.ToString(String, IFormatProvider)
// Method
using System;
using System.Globalization;
 
class GFG {
 
    // Main Method
    public static void Main()
    {
 
        // declaring and initializing Int32 value
        int s1 = Int32.MaxValue;
 
        // creating and initializing
        // the object of CultureInfo
        CultureInfo provider = new CultureInfo("fr-FR");
 
        // declaring and initializing format
        string format = "D5";
 
        // using the method
        string str = s1.ToString(format, provider);
 
        // Displaying the details
        Console.WriteLine("The value is {0}",str);
        Console.WriteLine("The Format is {0}",format);
        Console.WriteLine("The Provider is {0}", provider.Name);
    }
}
Output: 
The value is 2147483647
The Format is D5
The Provider is fr-FR

 

Reference: 


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