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ListControl Constructor

Initializes a new instance of the ListControl class.

[Visual Basic]
Public Sub New()
[C#]
public ListControl();
[C++]
public: ListControl();
[JScript]
public function ListControl();

Example

[Visual Basic] 
<!-- 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" %>

<html>
<head>
 
   <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>
   <p>
 
   <form 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>
   

[C#] 
<!-- The following example demonstrates how to programmatically 
create a ListBox. The example uses a PlaceHolder control as
a container for the ListBox. -->

<%@ Page Language="C#" AutoEventWireup="True" %>

<html>
<head>
 
   <script runat="server">
 
      void SubmitBtn_Click(Object sender, EventArgs e) 
      {
         // Create a new ListBox.
         ListBox listbox1 = new ListBox();

         // Create ListItems to populate the ListBox.
         ListItem listItem1 = new ListItem("Item 1","Value 1");
         ListItem listItem2 = 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);
      }
 
   </script>
 
</head>
<body>
 
   <h3>ListBox Example</h3>
   <p>
 
   <form 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>
   

[C++, JScript] No example is available for C++ or JScript. To view a Visual Basic or C# example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family

See Also

ListControl Class | ListControl Members | System.Web.UI.WebControls Namespace

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