MobileListItemCollection Class

Reference

Definition

Namespace:: System.Web.UI.MobileControls

Assembly:: System.Web.Mobile.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Caution

The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.

Represents a collection of MobileListItem objects, and is used to hold the items of a List control and a SelectionList control. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.

public ref class MobileListItemCollection : System::Web::UI::MobileControls::ArrayListCollectionBase, System::Web::UI::IStateManager

public class MobileListItemCollection : System.Web.UI.MobileControls.ArrayListCollectionBase, System.Web.UI.IStateManager

[System.Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
public class MobileListItemCollection : System.Web.UI.MobileControls.ArrayListCollectionBase, System.Web.UI.IStateManager

type MobileListItemCollection = class
    inherit ArrayListCollectionBase
    interface IStateManager

[<System.Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")>]
type MobileListItemCollection = class
    inherit ArrayListCollectionBase
    interface IStateManager

Public Class MobileListItemCollection
Inherits ArrayListCollectionBase
Implements IStateManager

Inheritance: Object

ArrayListCollectionBase
MobileListItemCollection

Attributes: ObsoleteAttribute

Implements: IStateManager

Examples

The following code example shows how you manipulate items in the MobileListItem object through the MobileListItemCollection class. The code uses the selected item's index into the SelectionList.Items property.

<%@ Page Language="C#" 
    Inherits="System.Web.UI.MobileControls.MobilePage" %>
<%@ Register TagPrefix="mobile" 
    Namespace="System.Web.UI.MobileControls" 
    Assembly="System.Web.Mobile" %>

<script runat="server">
    public void Page_Load(Object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Label1.Text = "Select an item";

            // Create and fill an array list.
            ArrayList listValues = new ArrayList();
            listValues.Add("One");
            listValues.Add("Two");
            listValues.Add("Three");

            // Bind the array to the list.
            SelList1.DataSource = listValues;
            SelList1.DataBind();

            // Set the SelectType.
            SelList1.SelectType =
                System.Web.UI.MobileControls.ListSelectType.Radio;
        }
        else
        {
            if (SelList1.SelectedIndex > -1)
            {
                // To show the selection, use the Selection property.
                Label1.Text = "Your selection is " +
                    SelList1.Selection;

                // Or, show the selection by using 
                // the MobileListItemCollection class.
                // Get the index of the selected item
                int idx = SelList1.SelectedIndex;
                Label2.Text = "You have selected " +
                    SelList1.Items[idx].Text;

                // Insert a copy of the selected item
                MobileListItem mi = SelList1.Selection;
                Label3.Text = "The index of your selection is " + 
                    mi.Index.ToString();
                SelList1.Items.Insert(idx, 
                    new MobileListItem(mi.Text + " Copy"));
            }
            else
            {
                Label1.Text = "No items selected";
            }
        }
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<body>
    <mobile:form id="form1" runat="server">
        <mobile:Label id="Label1" runat="server" 
            Text="Show a list" />
        <mobile:Label id="Label2" runat="server" />
        <mobile:Label id="Label3" runat="server" />
        <mobile:SelectionList runat="server" 
            id="SelList1" />
        <mobile:Command id="Command1" runat="server" 
            Text=" OK " />
    </mobile:form>
</body>
</html>

<%@ Page Language="VB" 
    Inherits="System.Web.UI.MobileControls.MobilePage" %>
<%@ Register TagPrefix="mobile" 
    Namespace="System.Web.UI.MobileControls" 
    Assembly="System.Web.Mobile" %>

<script runat="server">
    Public Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        If Not IsPostBack Then
            Label1.Text = "Select an item"

            ' Create and fill an array list.
            Dim listValues As New ArrayList()
            listValues.Add("One")
            listValues.Add("Two")
            listValues.Add("Three")

            ' Bind the array to the list.
            SelList1.DataSource = listValues
            SelList1.DataBind()

            ' Set the SelectType.
            SelList1.SelectType = ListSelectType.Radio
        Else
            If (SelList1.SelectedIndex > -1) Then
                ' To show the selection, use the Selection property.
                Label1.Text = "Your selection is " & _
                    SelList1.Selection.Text

                ' Or, show the selection by using 
                ' the MobileListItemCollection class.
                ' Get the index of the selected item
                Dim idx As Integer = SelList1.SelectedIndex
                Label2.Text = "You have selected " & _
                    SelList1.Items(idx).Text

                ' Insert a copy of the selected item
                Dim mi As MobileListItem = SelList1.Selection
                Label3.Text = "The index of your selection is " & _
                    mi.Index.ToString()
                SelList1.Items.Insert(idx, _
                    New MobileListItem(mi.Text + " Copy"))
            Else
                Label1.Text = "No items selected"
            End If
        End If
    End Sub
</script>

<html xmlns="http:'www.w3.org/1999/xhtml" >
<body>
    <mobile:form id="form1" runat="server">
        <mobile:Label id="Label1" runat="server" 
            Text="Show a list" />
        <mobile:Label id="Label2" runat="server" />
        <mobile:Label id="Label3" runat="server" />
        <mobile:SelectionList runat="server" 
            id="SelList1" />
        <mobile:Command id="Command1" runat="server" 
            Text=" OK " />
    </mobile:form>
</body>
</html>

Remarks

Accessing the Items property of a List control or the Items property of a SelectionList control retrieves a MobileListItemCollection object. You can add or remove items from the collection at run time.

A MobileListItemCollection object inherits from the ICollection interface.

Constructors

MobileListItemCollection()	Initializes a new instance of the MobileListItemCollection class. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
MobileListItemCollection(ArrayList)	Initializes a new instance of the MobileListItemCollection class using the provided array. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.

Properties

Count	Returns the number of elements in a collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. (Inherited from ArrayListCollectionBase)
IsReadOnly	Gets a value indicating whether a collection is read-only. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. (Inherited from ArrayListCollectionBase)
IsSynchronized	Gets a value indicating whether a collection is synchronized. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. (Inherited from ArrayListCollectionBase)
IsTrackingViewState	Gets a value indicating whether the collection is tracking changes to view state. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Item[Int32]	Gets a MobileListItem item in the collection by index. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Items	Gets or sets the collection of items in an array list object. The default value is Empty. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. (Inherited from ArrayListCollectionBase)
SyncRoot	Returns the SyncRoot object for the collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. (Inherited from ArrayListCollectionBase)

Methods

Add(MobileListItem)	Adds an item to the end of a collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Add(String)	Adds an item to the end of a collection with the provided string as the Text property. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Clear()	Clears the collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Contains(MobileListItem)	Gets a value indicating whether the given item is contained in the collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
CopyTo(Array, Int32)	Copies the items in the collection to an array, starting at the given index. Intended for internal use only. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. (Inherited from ArrayListCollectionBase)
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetAll()	Gets the items in the specified collection as a single array of MobileListItem objects. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
GetEnumerator()	Retrieves an enumerator for the collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET. (Inherited from ArrayListCollectionBase)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
IndexOf(MobileListItem)	Gets the index of the specified item in a MobileListItemCollection object. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Insert(Int32, MobileListItem)	Adds an item to the specified location in the collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Insert(Int32, String)	Adds an item to the specified location in the collection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
LoadViewState(Object)	Loads the collection's previously saved view state. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
Remove(MobileListItem)	Removes the item with the specified value. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
Remove(String)	Removes the item with the specified value. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
RemoveAt(Int32)	Removes the item at the specified index. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
SaveViewState()	Saves the changes to a server control's view state to a Object. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
SetAll(MobileListItem[])	Sets the array of MobileListItem objects as the MobileListItemCollection. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
ToString()	Returns a string that represents the current object. (Inherited from Object)
TrackViewState()	Instructs the collection to track changes to its view state. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.

Explicit Interface Implementations

IStateManager.IsTrackingViewState	For a description of this member, see IsTrackingViewState. This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
IStateManager.LoadViewState(Object)	For a description of this member, see LoadViewState(Object). This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
IStateManager.SaveViewState()	For a description of this member, see SaveViewState(). This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.
IStateManager.TrackViewState()	For a description of this member, see TrackViewState(). This API is obsolete. For information about how to develop ASP.NET mobile applications, see Mobile Apps & Sites with ASP.NET.

Extension Methods

Cast<TResult>(IEnumerable)	Casts the elements of an IEnumerable to the specified type.
OfType<TResult>(IEnumerable)	Filters the elements of an IEnumerable based on a specified type.
AsParallel(IEnumerable)	Enables parallelization of a query.
AsQueryable(IEnumerable)	Converts an IEnumerable to an IQueryable.

Applies to

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