List Class
.NET Framework 2.0
Renders a list of items as either a static display or an interactive list.
Namespace: System.Web.UI.MobileControls
Assembly: System.Web.Mobile (in system.web.mobile.dll)
Assembly: System.Web.Mobile (in system.web.mobile.dll)
This control supports templated rendering by using device template sets and internal pagination. For more information, see ASP.NET Device Filtering Overview and Pagination.
| Topic | Location |
|---|---|
| Walkthrough: Customizing ASP.NET Mobile Web Pages for Specific Devices | Building Mobile Applications with ASP.NET |
| Walkthrough: Customizing ASP.NET Mobile Web Pages for Specific Devices | Building Mobile Applications with ASP.NET |
| Walkthrough: Customizing ASP.NET Mobile Web Pages for Specific Devices | Building Mobile Applications with ASP.NET |
| Walkthrough: Customizing ASP.NET Mobile Web Pages for Specific Devices | Building Mobile Applications with ASP.NET |
The following code example demonstrates how an array binds and fills a List. Notice that you can programmatically set the DataTextField and DataValueField properties of the List object.
<%@ Page Language="VB" Inherits="System.Web.UI.MobileControls.MobilePage" %> <%@ Register TagPrefix="mobile" Namespace="System.Web.UI.MobileControls" Assembly="System.Web.Mobile" %> <script runat="server"> ' Persist across multiple postbacks. Private Shared doneCount, schedCount, pendCount As Integer Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) If Not IsPostBack Then ' Set the DataMembers of the List List1.DataValueField = "Status" List1.DataTextField = "TaskName" ' Create an ArrayList of task data Dim arr As ArrayList = New ArrayList() arr.Add(New Task("Define transactions", "scheduled")) arr.Add(New Task("Verify transactions", "scheduled")) arr.Add(New Task("Check balance sheet", "scheduled")) arr.Add(New Task("Compile balance sheet", "scheduled")) arr.Add(New Task("Prepare report", "scheduled")) arr.Add(New Task("Send report", "scheduled")) ' Bind the array to the list List1.DataSource = arr List1.DataBind() Const spec As String = "Start: {0} tasks are done, {1} " & _ "tasks are scheduled, and {2} tasks are pending." Label2.Text = String.Format(spec, doneCount, _ schedCount, pendCount) List1.Decoration = ListDecoration.Bulleted End If End Sub Private Sub Status_DataBinding(ByVal sender As Object, _ ByVal e As ListDataBindEventArgs) ' Increment initial counts Select Case e.ListItem.Value Case "done" doneCount += 1 Case "scheduled" schedCount += 1 Case "pending" pendCount += 1 End Select End Sub Private Sub Status_ItemCommand(ByVal sender As Object, _ ByVal e As ListCommandEventArgs) Const spec As String = "You now have {0} tasks done, {1} " & _ "tasks scheduled, and {2} tasks pending." ' Move selection to next status toward 'done' Select Case e.ListItem.Value Case "scheduled" schedCount -= 1 pendCount += 1 e.ListItem.Value = "pending" Case "pending" pendCount -= 1 doneCount += 1 e.ListItem.Value = "done" End Select ' Show the status of the current task Label1.Text = e.ListItem.Text & " is " & _ e.ListItem.Value ' Show current selection counts Label2.Text = String.Format(spec, doneCount, _ schedCount, pendCount) End Sub ' Custom class for the ArrayList items Private Class Task Private _TaskName, _Status As String Public Sub New(ByVal TaskName As String, _ ByVal Status As String) _TaskName = TaskName _Status = Status End Sub Public ReadOnly Property TaskName() As String Get Return _TaskName End Get End Property Public ReadOnly Property Status() As String Get Return _Status End Get End Property End Class </script> <html xmlns="http://www.w3.org/1999/xhtml" > <body> <mobile:form id="form1" runat="server"> <mobile:Label ID="Label3" Runat="server"> Click a task to change its status from scheduled to pending or from pending to done: </mobile:Label> <mobile:List runat="server" id="List1" OnItemCommand="Status_ItemCommand" OnItemDataBind="Status_DataBinding" /> <mobile:Label runat="server" id="Label1" ForeColor="green" Font-Italic="true" /> <mobile:Label id="Label2" runat="server" /> </mobile:form> </body> </html>
- AspNetHostingPermission for operating in a hosted environment. Demand value: LinkDemand; Permission value: Minimal.
- AspNetHostingPermission for operating in a hosted environment. Demand value: InheritanceDemand; Permission value: Minimal.
System.Object
System.Web.UI.Control
System.Web.UI.MobileControls.MobileControl
System.Web.UI.MobileControls.PagedControl
System.Web.UI.MobileControls.List
System.Web.UI.Control
System.Web.UI.MobileControls.MobileControl
System.Web.UI.MobileControls.PagedControl
System.Web.UI.MobileControls.List
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
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