C# | Convert.ToChar(String, IFormatProvider) Method

This method is used to convert the value of the specified object to its equivalent Unicode character, using the specified culture-specific formatting information.

Syntax:

public static char ToChar (object value, IFormatProvider provider);

Parameters:

  • value: It is an string of length 1 or null.
  • provider: It is an object that supplies culture-specific formatting information.

Return Value: This method returns a Unicode character which is equivalent to the first and only character in value.

Exceptions:

  • ArgumentNullException: If the value is null.
  • FormatException: If the length of value is not 1.

Below programs illustrate the use of Convert.ToChar(String, IFormatProvider) Method:

Example 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// C# program to demonstrate the
// Convert.ToChar() Method
using System;
using System.Globalization;
  
class GFG {
  
// Main Method
public static void Main()
{
    try {
          
        // creating object of CultureInfo
        CultureInfo cultures = new CultureInfo("en-US");
  
        // declaring and intializing
        // String array
        string[] values = {"A", "B", "a"
                          "b", "x", "z"};
  
        // calling get() Method
        Console.WriteLine("Converted char value "+
                        "of specified strings: ");
                          
        for (int j = 0; j < values.Length; j++) {
              
            get(values[j], cultures);
        }
    }
      
    catch (FormatException e) {
          
        Console.WriteLine("\n");
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
      
    catch (OverflowException e) {
          
        Console.WriteLine("\n");
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
}
  
// Defining get() method
public static void get(string s, 
           CultureInfo cultures)
{
  
    // converting string to specified char
    char val = Convert.ToChar(s, cultures);
  
    // display the converted char value
    Console.Write(" {0}, ", val);
}
}

chevron_right


Output:

Converted char value of specified strings: 
 A,  B,  a,  b,  x,  z,

Example 2: For ArgumentNullException

filter_none

edit
close

play_arrow

link
brightness_4
code

// C# program to demonstrate the
// Convert.ToChar() Method
using System;
using System.Globalization;
class GFG {
  
// Main Method
public static void Main()
{
    try {
          
        // creating object of CultureInfo
        CultureInfo cultures = new CultureInfo("en-US");
  
        // declaring and intializing String array
        string[] values = {"A", "B", "a",
                          "b", "x", "z"};
  
        // calling get() Method
        Console.WriteLine("Converted char value "+
                        "of specified strings: ");
                          
        for (int j = 0; j < values.Length; j++) {
            get(values[j], cultures);
        }
        Console.WriteLine("\n");
        string s = null;
  
        Console.WriteLine("s is null ");
  
        // converting string to specified char
        char val = Convert.ToChar(s, cultures);
  
        // display the converted char value
        Console.Write(" {0}, ", val);
    }
      
    catch (FormatException e) {
          
        Console.WriteLine("\n");
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
      
    catch (ArgumentNullException e) {
          
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
}
  
// Defining get() method
public static void get(string s, CultureInfo cultures)
{
  
    // converting string to specified char
    char val = Convert.ToChar(s, cultures);
  
    // display the converted char value
    Console.Write(" {0}, ", val);
}
}

chevron_right


Output:

Converted char value of specified strings: 
 A,  B,  a,  b,  x,  z, 

s is null 
Exception Thrown: System.ArgumentNullException

Example 3: For FormatException

filter_none

edit
close

play_arrow

link
brightness_4
code

// C# program to demonstrate the
// Convert.ToChar() Method
using System;
using System.Globalization;
  
class GFG {
  
// Main Method
public static void Main()
{
      
    try {
          
        // creating object of CultureInfo
        CultureInfo cultures = new CultureInfo("en-US");
  
        // declaring and intializing String array
        string value1 = "x";
        string value2 = "xyz";
  
        get(value1, cultures);
  
        Console.WriteLine("\nlenght of value2 is not 1");
        get(value2, cultures);
    }
      
    catch (FormatException e) {
          
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
      
    catch (ArgumentNullException e) {
          
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
}
  
// Defining get() method
public static void get(string s, 
           CultureInfo cultures)
{
    // converting string to specified char
    char val = Convert.ToChar(s, cultures);
  
    // display the converted char value
    Console.WriteLine("string to char value : {0} ", val);
}
}

chevron_right


Output:

string to char value : x 

lenght of value2 is not 1
Exception Thrown: System.FormatException

Reference:



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :

Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.