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Insert a new entry in OrderedDictionary with specified key and value in C#
To insert a new entry in OrderedDictionary with specified key and value, the code is as follows −
Example
using System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main(){ OrderedDictionary dict = new OrderedDictionary(); dict.Add("1", "One"); dict.Add("2", "Two"); dict.Add("3", "Three"); dict.Add("4", "Four"); dict.Add("5", "Five"); dict.Add("6", "Six"); dict.Add("7", "Seven"); dict.Add("8", "Eight"); Console.WriteLine("Elements..."); IDictionaryEnumerator demoEnum = dict.GetEnumerator(); while (demoEnum.MoveNext()) { Console.WriteLine("Key = " + demoEnum.Key + ", Value = " + demoEnum.Value); } dict.Insert(7, "15", "Fifteen"); Console.WriteLine("Elements...UPDATED"); demoEnum = dict.GetEnumerator(); while (demoEnum.MoveNext()) { Console.WriteLine("Key = " + demoEnum.Key + ", Value = " + demoEnum.Value); } } }
Output
This will produce the following output −
Elements... Key = 1, Value = One Key = 2, Value = Two Key = 3, Value = Three Key = 4, Value = Four Key = 5, Value = Five Key = 6, Value = Six Key = 7, Value = Seven Key = 8, Value = Eight Elements...UPDATED Key = 1, Value = One Key = 2, Value = Two Key = 3, Value = Three Key = 4, Value = Four Key = 5, Value = Five Key = 6, Value = Six Key = 7, Value = Seven Key = 15, Value = Fifteen Key = 8, Value = Eight
Example
Let us now see another example −
using System; using System.Collections; using System.Collections.Specialized; public class Demo { public static void Main(){ OrderedDictionary dict = new OrderedDictionary(); dict.Add("A", "Laptop"); dict.Add("B", "Desktop"); Console.WriteLine("Elements..."); IDictionaryEnumerator demoEnum = dict.GetEnumerator(); while (demoEnum.MoveNext()) { Console.WriteLine("Key = " + demoEnum.Key + ", Value = " + demoEnum.Value); } dict.Add("C", "Ultrabook"); dict.Add("D", "Alienware"); Console.WriteLine("\nElements...UPDATED"); demoEnum = dict.GetEnumerator(); while (demoEnum.MoveNext()) { Console.WriteLine("Key = " + demoEnum.Key + ", Value = " + demoEnum.Value); } dict.Insert(2, "K", "Speakers"); Console.WriteLine("\nElements...UPDATED"); demoEnum = dict.GetEnumerator(); while (demoEnum.MoveNext()) { Console.WriteLine("Key = " + demoEnum.Key + ", Value = " + demoEnum.Value); } } }
Output
This will produce the following output −
Elements... Key = A, Value = Laptop Key = B, Value = Desktop Elements...UPDATED Key = A, Value = Laptop Key = B, Value = Desktop Key = C, Value = Ultrabook Key = D, Value = Alienware Elements...UPDATED Key = A, Value = Laptop Key = B, Value = Desktop Key = K, Value = Speakers Key = C, Value = Ultrabook Key = D, Value = Alienware
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