ListControl Constructor ()
.NET Framework (current version)
Initializes a new instance of the ListControl class.
Assembly: System.Web (in System.Web.dll)
The following code example demonstrates how to programmatically
create a ListBox control. The example uses a PlaceHolder control as a container for the ListBox.
<!-- The following example demonstrates how to programmatically create a ListBox. The example uses a PlaceHolder control as a container for the ListBox. --> <%@ Page Language="VB" AutoEventWireup="True" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>ListBox Example</title> <script runat="server"> Sub SubmitBtn_Click(sender As Object, e As EventArgs) ' Create a new ListBox. Dim listbox1 As New ListBox() ' Create ListItems to populate the ListBox. Dim listItem1 As New ListItem("Item 1","Value 1") Dim listItem2 As New ListItem("Item 2","Value 2") ' Add the ListItems to the ListBox. listbox1.Items.Add(listItem1) listbox1.Items.Add(listItem2) ' Add the ListBox to the Controls collection of the PlaceHolder control. Place.Controls.Add(listbox1) End Sub </script> </head> <body> <h3>ListBox Example</h3> <br /> <form id="form1" runat="server"> <asp:button id="Button1" Text="Click to create a two-item ListBox" OnClick="SubmitBtn_Click" runat="server" /> <br /><br /> <asp:PlaceHolder id="Place" runat="server"/> </form> </body> </html>
.NET Framework
Available since 1.1
Available since 1.1
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