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C# | Convert.ToUInt16(String, IFormatProvider) Method

  • Last Updated : 19 Sep, 2021

This method is used to convert the specified string representation of a number to an equivalent 16-bit unsigned integer, using the specified culture-specific formatting information.
 

Syntax:  

public static ushort ToUInt16 (string value, IFormatProvider provider);

Parameters:  

  • value: It is a string that contains the number to convert.
  • provider: It is an object that supplies culture-specific formatting information.

Return Value: This method returns a 16-bit unsigned integer that is equivalent to the number in value, or 0 (zero) if value is null.
Exceptions: 



  • FormatException: If the value does not consist of an optional sign followed by a sequence of digits (0 through 9).
  • OverflowException: If the value represents a number that is less than MinValue or greater than MaxValue.

Below programs illustrate the use of Convert.ToUInt16(String, IFormatProvider) Method:
Example 1: 

csharp




// C# program to demonstrate the
// Convert.ToUInt16() 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 initializing String array
        string[] values = {"12345", "+3456",
                                    "3456"};
 
        // calling get() Method
        Console.Write("Converted ushort value"
              + " from a specified string ");
 
        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 ushort
    ushort val = Convert.ToUInt16(s, cultures);
 
    // display the converted ushort value
    Console.Write(" {0}, ", val);
}
}
Output
Converted ushort value from a specified string  12345,  3456,  3456, 

Example 2: For FormatException

csharp




// C# program to demonstrate the
// Convert.ToUInt16() 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 initializing
        // String array
        string[] values = {"12345", "+3456",
                                    "3456"};
 
        // calling get() Method
        Console.Write("Converted ushort value"
                 + " of specified strings: ");
 
        for (int j = 0; j < values.Length; j++)
        {
            get(values[j], cultures);
        }
 
        Console.WriteLine("\n");
        string s = "123 456, 789";
 
        Console.WriteLine("format of s is invalid ");
 
        // converting string to specified ushort
        ushort val = Convert.ToUInt16(s, cultures);
 
        // display the converted ushort value
        Console.Write(" {0}, ", val);
    }
 
    catch (FormatException e)
    {
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
 
    catch (OverflowException 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 ushort value
    ushort val = Convert.ToUInt16(s, cultures);
 
    // display the converted
    // ushort value
    Console.Write(" {0}, ", val);
}
}
Output: 
Converted ushort value of specified strings:  12345,  3456,  3456, 

format of s is invalid 
Exception Thrown: System.FormatException

 

Example 3: For OverflowException

csharp




// C# program to demonstrate the
// Convert.ToUInt16 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 initializing String array
        string[] values = {"12345", "+3456",
                                    "3456"};
 
        // calling get() Method
        Console.Write("Converted ushort value "
                    + "of specified strings: ");
 
        for (int j = 0; j < values.Length; j++)
        {
            get(values[j], cultures);
        }
 
        Console.WriteLine("\n");
        string s = "-7922816251426433759354395033500000";
 
        Console.WriteLine("s is less than the MinValue");
 
        // converting string to specified ushort
        ushort val = Convert.ToUInt16(s, cultures);
 
        // display the converted ushort value
        Console.WriteLine(" {0}, ", val);
    }
 
    catch (FormatException e)
    {
        Console.Write("Exception Thrown: ");
        Console.Write("{0}", e.GetType(), e.Message);
    }
 
    catch (OverflowException 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 ushort value
    ushort val = Convert.ToUInt16(s, cultures);
 
    // display the converted ushort value
    Console.Write(" {0}, ", val);
}
}
Output: 
Converted ushort value of specified strings:  12345,  3456,  3456, 

s is less than the MinValue
Exception Thrown: System.OverflowException

 

Reference: 




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