What is hashtable in c#? a hash table is a special collection that is used to store key-value items. so instead of storing just one value like the stack, array list and queue, the hash table stores 2 values.. No need to scan through the entire data sets to find the items. for example, we create an instance of hashtable and added four elements in it. subsequently, we are printing all the elements in the hashtable and keys given to the array list for containing all the keys of hashtable and finally printing it. example. The hashtable class represents a collection of key-and-value pairs that are organized based on the hash code of the key. it uses the key to access the elements in the collection. a hash table is used when you need to access elements by using key, and you can identify a useful key value.each item in the hash table has a key/value pair..
How to work with the hashtable collection in visual c#. and create a windows forms application project in visual c#. form1 is added to the project by default. note that idictionaryenumerator enumerates through the items in the hashtable collection, and the keys property of the hashtable returns a keys collection.. A hash table is made up of a mapping function and an array. the array contains your data, while the mapping function is used to assign numerical values (keys) to the data.. How to use c# hashtable class hashtable in c# represents a collection of key/value pairs which maps keys to value. any non-null object can be used as a key but a value can. we can retrieve items from hashtable to provide the key . both keys and values are objects. the commonly used functions in hashtable are :.
