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ListControl.Items Property

  • Reference

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Gets the collection of items in the list control.

public:
 virtual property System::Web::UI::WebControls::ListItemCollection ^ Items { System::Web::UI::WebControls::ListItemCollection ^ get(); };
[System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerDefaultProperty)]
public virtual System.Web.UI.WebControls.ListItemCollection Items { get; }
[<System.Web.UI.PersistenceMode(System.Web.UI.PersistenceMode.InnerDefaultProperty)>]
member this.Items : System.Web.UI.WebControls.ListItemCollection
Public Overridable ReadOnly Property Items As ListItemCollection

Property Value

ListItemCollection

The items within the list. The default is an empty list.

Attributes
PersistenceModeAttribute

Examples

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

<%@ 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>

<%@ 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>

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.

Applies to

See also