Gets the position of the data item as displayed in the ListView control.
(in System.Web.Extensions.dll)
Visual Basic (Declaration)
Public Overridable ReadOnly Property DisplayIndex As Integer
Dim instance As ListViewDataItem
Dim value As Integer
value = instance.DisplayIndex
public virtual int DisplayIndex { get; }
public:
virtual property int DisplayIndex {
int get ();
}
public function get DisplayIndex () : int
Implements
IDataItemContainer..::.DisplayIndex
The DisplayIndex property corresponds to the current position of the item as displayed by the ListView control. Each item's DisplayIndex value reflects the order in which they were added to the control in that particular page of data. You can use the DisplayIndex property to retrieve a ListViewDataItem object in the Items collection.
.gif) Note: |
|---|
This property applies only to data items. It does not apply to insert items or empty items. |
The following example shows how to use the DisplayIndex property to retrieve the index of the item that is being edited. This code example is part of a larger example provided for the ListView..::.UpdateItem method.
Protected Sub PreferredCheckBox_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs)
' Gets the CheckBox object that fired the event.
Dim chkBox As CheckBox = CType(sender, CheckBox)
' Gets the item that contains the CheckBox object.
Dim item As ListViewDataItem = CType(chkBox.Parent.Parent, ListViewDataItem)
' Update the database with the changes.
VendorsListView.UpdateItem(item.DisplayIndex, False)
End Sub
protected void PreferredCheckBox_CheckedChanged(object sender, EventArgs e)
{
// Gets the CheckBox object that fired the event.
CheckBox chkBox = (CheckBox) sender;
// Gets the item that contains the CheckBox object.
ListViewDataItem item = (ListViewDataItem) chkBox.Parent.Parent;
// Update the database with the changes.
VendorsListView.UpdateItem(item.DisplayIndex, false);
}
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
.NET Framework
Supported in: 3.5
Reference
Other Resources