The essential difference therefore is in how the containers are indexed data in your VB.Net application. List (ICollection ) is simply a set of items and Dictionary(IDictionary) is a set of key-value pairs. In VB.Net applications both lists and dictionaries are used to store collections of data. MessageBox.Show("Number Two exist in the list") ĭim strArr As String() = New String(2) ĭim arrlist As New List(Of String)(strArr)įinally clear method remove all the items from List collection.ĭifference between list and dictionary in VB.Net You can use List.Contains() method to check an item exists in the List.
#Visual basic net list how to
How to check if an item exist in the List ? List.Remove() can use to remove item from List. How to remove an item from List collection?
#Visual basic net list code
In the above code the number "zero" is inserted in the index position 1. You can use insert(index,item) method to insert an in the specified index. You can retrieve items from List collection by using for loops.įor i As Integer = 0 To numbers.Count - 1
List.Count property gives you the number of items exists in List How to count number of items exists in a List ? The parameter T is the type of elements in the list.
To use List(Of T), however, you have to understand how to implement the many methods that the. List class is a collection and defined in the namespace and it provides the methods and properties like other Collection classes such as add, insert, remove, search etc. List can store only one type of objects, that type supplied as its generic parameter. List is a generic implementation of ArrayList.
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