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C# program to replace the value at a specific index in a SortedList object (Example of SetByIndex() Method)

C# SortedList.SetByIndex() Method: Here, we are going to learn how to replace the value at a specific index in a SortedList object in C#.Net?
Submitted by Nidhi, on May 02, 2021

The SetByIndex() method of SortedList class is used to set the value using the index. It replaces the existing value with a new value which is given in SetByIndex() method.

Syntax:

    void SortedList.SetByIndex(int index, object? value);

Parameter(s):

• index: The index at which to set the value.
• value: The value to set into the SortedList object, it can also be null.

Return value:

It does not return any value.

Exception(s):

• System.ArgumentOutOfRangeException

Program:

The source code to replace the value at a specific index in a SortedList object is given below. The given program is compiled and executed successfully.

using System;
using System.Collections;

class SortedListEx
{
    //Entry point of Program
    static public void Main()
    {
        //Creation of SortedList object
        SortedList list = new SortedList();
     
        //Add elements to SortedList 
        list.Add(101, "India    ");
        list.Add(105, "America  ");
        list.Add(102, "Austrelia");
        list.Add(103, "Africa   ");
        list.Add(104, "Canada   ");

        Console.WriteLine("Values before SetByIndex:");
        foreach (string value in list.Values)
        {
            Console.WriteLine("\t" + value);
        }

        list.SetByIndex(2, "DELHI");

        Console.WriteLine("Values after SetByIndex:");
        foreach (string value in list.Values)
        {
            Console.WriteLine("\t"+value);
        }
    }
}

Output:

Values before SetByIndex:
        India
        Austrelia
        Africa
        Canada
        America
Values after SetByIndex:
        India
        Austrelia
        DELHI
        Canada
        America
Press any key to continue . . .

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