ListControl.Items Property (System.Web.UI.WebControls)

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.NET Framework Class Library
ListControl.Items Property

Gets the collection of items in the list control.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)
Syntax
Visual Basic
<PersistenceModeAttribute(PersistenceMode.InnerDefaultProperty)> _
Public Overridable ReadOnly Property Items As ListItemCollection
C#
[PersistenceModeAttribute(PersistenceMode.InnerDefaultProperty)]
public virtual ListItemCollection Items { get; }
Visual C++
[PersistenceModeAttribute(PersistenceMode::InnerDefaultProperty)]
public:
virtual property ListItemCollection^ Items {
	ListItemCollection^ get ();
}
F#
[<PersistenceModeAttribute(PersistenceMode.InnerDefaultProperty)>]
abstract Items : ListItemCollection
[<PersistenceModeAttribute(PersistenceMode.InnerDefaultProperty)>]
override Items : ListItemCollection

Property Value

Type: System.Web.UI.WebControls.ListItemCollection
A ListItemCollection that represents the items within the list. The default is an empty list.
Remarks

Use this property to get the properties of items in the list control. This property can be used to determine the selected items in the list control.

Examples

The following example demonstrates how to use the Items property to determine the selected items in a CheckBoxList control.

Visual Basic

<%@ 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>ASP.NET Example</title>
</head>
 <body>
    <script language="vb" runat="server">
       Sub Check_Clicked(sender As Object, e As EventArgs)
          Message.Text = "Selected Item(s):<br /><br />"
          Dim i As Integer
          For i = 0 To checkboxlist1.Items.Count - 1
             If checkboxlist1.Items(i).Selected Then
                Message.Text = Message.Text & checkboxlist1.Items(i).Text & "<br />"
             End If
          Next
       End Sub
    </script>

    <form id="form1" method="post" runat="server">

       <asp:CheckBoxList id="checkboxlist1" runat="server"
            AutoPostBack="True"
            CellPadding="5"
            CellSpacing="5"
            RepeatColumns="2"
            RepeatDirection="Vertical"
            RepeatLayout="Flow"
            TextAlign="Right"
            OnSelectedIndexChanged="Check_Clicked">

          <asp:ListItem>Item 1</asp:ListItem>
          <asp:ListItem>Item 2</asp:ListItem>
          <asp:ListItem>Item 3</asp:ListItem>
          <asp:ListItem>Item 4</asp:ListItem>
          <asp:ListItem>Item 5</asp:ListItem>
          <asp:ListItem>Item 6</asp:ListItem>

       </asp:CheckBoxList>

       <br /><br />
       <asp:label id="Message" runat="server"/>

    </form>

 </body>
 </html>
C#

<%@ Page Language="C#" 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>ASP.NET Example</title>
</head>
 <body>
    <script language="c#" runat="server">
       void Check_Clicked(Object sender, EventArgs e) {
          Message.Text="Selected Item(s):" + "<br />" + "<br />";
          for (int i=0; i<checkboxlist1.Items.Count; i++) {
             if (checkboxlist1.Items[i].Selected)
                Message.Text=Message.Text + checkboxlist1.Items[i].Text + "<br />";
          }
       }
    </script>

    <form id="form1" method="post" runat="server">

       <asp:CheckBoxList id="checkboxlist1" runat="server"
            AutoPostBack="True"
            CellPadding="5"
            CellSpacing="5"
            RepeatColumns="2"
            RepeatDirection="Vertical"
            RepeatLayout="Flow"
            TextAlign="Right"
            OnSelectedIndexChanged="Check_Clicked">

          <asp:ListItem>Item 1</asp:ListItem>
          <asp:ListItem>Item 2</asp:ListItem>
          <asp:ListItem>Item 3</asp:ListItem>
          <asp:ListItem>Item 4</asp:ListItem>
          <asp:ListItem>Item 5</asp:ListItem>
          <asp:ListItem>Item 6</asp:ListItem>

       </asp:CheckBoxList>

       <br /><br />
       <asp:label id="Message" runat="server"/>

    </form>

 </body>
 </html>
Version Information

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0
Platforms

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
See Also

Reference

ListControl Class
System.Web.UI.WebControls Namespace
ListItemCollection