Iterates through the Dictionary in C#

To get an enumerator that iterates through a Dictionary<TKey, TValue> in C#, you can use the GetEnumerator method, like this:

Dictionary<string, int> myDict = new Dictionary<string, int>() { {"key1", 1}, {"key2", 2}, {"key3", 3} }; var enumerator = myDict.GetEnumerator(); while (enumerator.MoveNext()) { var key = enumerator.Current.Key; var value = enumerator.Current.Value; // Do something with the key-value pair } 

To iterate over a Dictionary<TKey, TValue> in C#, you can use a foreach loop, like this:

Dictionary<string, int> myDict = new Dictionary<string, int>() { {"key1", 1}, {"key2", 2}, {"key3", 3} }; foreach (var kvp in myDict) { var key = kvp.Key; var value = kvp.Value; // Do something with the key-value pair } 

To iterate over a Dictionary<TKey, TValue> sorted by value in C#, you can use LINQ's OrderBy method to sort the dictionary by value and then iterate over the resulting sequence, like this:

Dictionary<string, int> myDict = new Dictionary<string, int>() { {"key1", 3}, {"key2", 1}, {"key3", 2} }; foreach (var kvp in myDict.OrderBy(x => x.Value)) { var key = kvp.Key; var value = kvp.Value; // Do something with the key-value pair } 

This will iterate over the dictionary in ascending order of the values, so the output would be {"key2", 1}, {"key3", 2}, {"key1", 3}.

Examples

1. C# iterate over Dictionary keys and values: Iterating over both keys and values in a Dictionary using a foreach loop.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (var kvp in myDictionary) { string key = kvp.Key; int value = kvp.Value; Console.WriteLine($"Key: {key}, Value: {value}"); } 

2. Loop through Dictionary entries in C#: Looping through Dictionary entries using a foreach loop.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (KeyValuePair<string, int> kvp in myDictionary) { string key = kvp.Key; int value = kvp.Value; Console.WriteLine($"Key: {key}, Value: {value}"); } 

3. Using foreach to iterate Dictionary in C#: Using foreach to iterate over keys and values in a Dictionary.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (var key in myDictionary.Keys) { int value = myDictionary[key]; Console.WriteLine($"Key: {key}, Value: {value}"); } 

4. Iterating through a Dictionary with LINQ in C#: Iterating through a Dictionary using LINQ.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (var kvp in myDictionary.OrderBy(x => x.Key)) { string key = kvp.Key; int value = kvp.Value; Console.WriteLine($"Key: {key}, Value: {value}"); } 

5. C# iterate through Dictionary and modify values: Iterating through a Dictionary and modifying values.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (var key in myDictionary.Keys.ToList()) { myDictionary[key] += 10; } 

6. Enumerating Dictionary keys and values in C#: Enumerating Dictionary keys and values using a foreach loop.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (var (key, value) in myDictionary) { Console.WriteLine($"Key: {key}, Value: {value}"); } 

7. Loop through sorted Dictionary in C#: Looping through a sorted Dictionary using LINQ.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (var kvp in myDictionary.OrderBy(x => x.Key)) { string key = kvp.Key; int value = kvp.Value; Console.WriteLine($"Key: {key}, Value: {value}"); } 

8. Iterating over a Dictionary with custom comparer in C#: Iterating over a Dictionary with a custom comparer.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase); foreach (var kvp in myDictionary) { string key = kvp.Key; int value = kvp.Value; Console.WriteLine($"Key: {key}, Value: {value}"); } 

9. Enumerate Dictionary in reverse order in C#: Enumerating a Dictionary in reverse order using LINQ.

   Dictionary<string, int> myDictionary = new Dictionary<string, int>(); foreach (var kvp in myDictionary.OrderByDescending(x => x.Key)) { string key = kvp.Key; int value = kvp.Value; Console.WriteLine($"Key: {key}, Value: {value}"); } 

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