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C# | SortedDictionary.ContainsValue() Method - GeeksforGeeks

C# | SortedDictionary.ContainsValue() Method

Last Updated : 11 Jul, 2025

This method is used to check whether the

SortedDictionary<TKey, TValue>

contains an element with the specified value or not.

Syntax: 
public bool ContainsValue (TValue value);

Here, the

value

is the Value to locate in the SortedDictionary. The value can be

null

for reference types.

Return Value:

This method returns

true

if the SortedDictionary contains an element with the specified value otherwise it returns

false

. Below are the programs to illustrate the use of

SortedDictionary<TKey, TValue>.ContainsValue() Method

:

Example 1: csharp 
// C# code to check if a value
// is present or not in a 
// SortedDictionary.
using System;
using System.Collections.Generic;

class GFG {

    // Driver code
    public static void Main()
    {

        // Create a new SortedDictionary
        // of strings, with string keys.
        SortedDictionary<string, string> myDict = 
          new SortedDictionary<string, string>();

        // Adding key/value pairs in myDict
        myDict.Add("Australia", "Canberra");
        myDict.Add("Belgium", "Brussels");
        myDict.Add("Netherlands", "Amsterdam");
        myDict.Add("China", "Beijing");
        myDict.Add("Russia", "Moscow");
        myDict.Add("India", "New Delhi");

        // Checking the value "India" but
        // here "India" is the key
        if (myDict.ContainsValue("India"))
            Console.WriteLine("Value : India is present.");

        else
            Console.WriteLine("Value : India is not present.");
    }
}
Output: 
Value : India is not present.
Example 2: csharp 
// C# code to check if a value
// is present or not in a 
// SortedDictionary.
using System;
using System.Collections.Generic;

class GFG {

    // Driver code
    public static void Main()
    {

        // Create a new SortedDictionary
        // of strings, with string keys.
        SortedDictionary<string, string> myDict = 
           new SortedDictionary<string, string>();

        // Adding key/value pairs in myDict
        myDict.Add("Australia", "Canberra");
        myDict.Add("Belgium", "Brussels");
        myDict.Add("Netherlands", "Amsterdam");
        myDict.Add("China", "Beijing");
        myDict.Add("Russia", "Moscow");
        myDict.Add("India", "New Delhi");

        // Checking for value Moscow
        if (myDict.ContainsValue("Moscow"))
            Console.WriteLine("Value : Moscow is present");

        else
            Console.WriteLine("Value : Moscow is absent");
    }
}
Output: 
Value : Moscow is present
Reference :

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