How to add items to a Dictionary in C#

Add Items

The Add method adds an item to the Dictionary collection in form of a key and a value.

The following code snippet creates a Dictionary and adds an item by using the Add method.

Dictionary<string, Int16> AuthorList = new Dictionary<string, Int16>();  
AuthorList.Add("Mahesh Chand", 35); 

The following code snippet adds an item and updates the existing item in the collection.

AuthorList["Neel Beniwal"] = 9;  
AuthorList["Mahesh Chand"] = 20;