List(Of String) Add and Remove Method : Visual Basic Programming

List(Of String) Add and Remove Method : Visual Basic Programming

List is a generic implementation of Array List. List can store only one type of objects, that type supplied as its generic parameter. List class is a collection and defined in the System.Collections.Generic namespace and it provides the methods and properties like other Collection classes such as add, insert, remove, search etc.

Source Code :

Public Class Form1
    Dim Product_Names As New List(Of String)()

    Private Sub AddProduct_Click(sender As Object, e As EventArgs) Handles AddProduct.Click
        Product_Names.Add(TextBox1.Text)

        ViewProduct()

        TextBox1.Text = String.Empty

    End Sub

    Sub ViewProduct()

        ListBox1.Items.Clear()


        For Each Product As String In Product_Names

            ListBox1.Items.Add(Product)


        Next
        NoOfProducts.Text = Product_Names.Count

    End Sub

    Private Sub RemoveProduct_Click(sender As Object, e As EventArgs) Handles RemoveProduct.Click
        Product_Names.Remove(ListBox1.SelectedItem)
        ViewProduct()


    End Sub