Export (0) Print
Expand All

SiteMapNodeItemEventArgs Constructor

Note: This constructor is new in the .NET Framework version 2.0.

Initializes a new instance of the SiteMapNodeItemEventArgs class, setting the specified SiteMapNodeItem object as the source of the event.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)

public SiteMapNodeItemEventArgs (
	SiteMapNodeItem item
)
public SiteMapNodeItemEventArgs (
	SiteMapNodeItem item
)
public function SiteMapNodeItemEventArgs (
	item : SiteMapNodeItem
)

Parameters

item

A SiteMapNodeItem that is the source of the event.

The following code example demonstrates how to create a SiteMapNodeItemEventArgs using a SiteMapNodeItem that represents a PathSeparator, and how to pass the event arguments to the OnItemCreated method. This code example is part of a larger example provided for the SiteMapPath class.

private void AddDropDownListAfterCurrentNode(SiteMapNodeItem item) {

    SiteMapNodeCollection childNodes = item.SiteMapNode.ChildNodes;

    // Only do this work if there are child nodes.
    if (childNodes != null) {

        // Add another PathSeparator after the CurrentNode.
        SiteMapNodeItem finalSeparator =
            new SiteMapNodeItem(item.ItemIndex,
                                SiteMapNodeItemType.PathSeparator);

        SiteMapNodeItemEventArgs eventArgs =
            new SiteMapNodeItemEventArgs(finalSeparator);

        InitializeItem(finalSeparator);
        // Call OnItemCreated every time a SiteMapNodeItem is
        // created and initialized.
        OnItemCreated(eventArgs);

        // The pathSeparator does not bind to any SiteMapNode, so
        // do not call DataBind on the SiteMapNodeItem.
        item.Controls.Add(finalSeparator);

        // Create a DropDownList and populate it with the children of the
        // CurrentNode. There are no styles or templates that are applied
        // to the DropDownList control. If OnSelectedIndexChanged is raised,
        // the event handler redirects to the page selected.
        // The CurrentNode has child nodes.
        DropDownList ddList = new DropDownList();
        ddList.AutoPostBack = true;

        ddList.SelectedIndexChanged += new EventHandler(this.DropDownNavPathEventHandler);

        // Add a ListItem to the DropDownList for every node in the
        // SiteMapNodes collection.
        foreach (SiteMapNode node in childNodes) {
            ddList.Items.Add(new ListItem(node.Title, node.Url));
        }

        item.Controls.Add(ddList);
    }
}

private void AddDropDownListAfterCurrentNode(SiteMapNodeItem item)
{
    SiteMapNodeCollection childNodes = item.get_SiteMapNode().
        get_ChildNodes();
    // Only do this work if there are child nodes.
    if (childNodes != null) {
        // Add another PathSeparator after the CurrentNode.
        SiteMapNodeItem finalSeparator = new SiteMapNodeItem(item.
            get_ItemIndex(), SiteMapNodeItemType.PathSeparator);

        SiteMapNodeItemEventArgs eventArgs = new SiteMapNodeItemEventArgs(
            finalSeparator);

        InitializeItem(finalSeparator);
        // Call OnItemCreated every time a SiteMapNodeItem is
        // created and initialized.
        OnItemCreated(eventArgs);
        // The pathSeparator does not bind to any SiteMapNode, so 
        // do not call DataBind on the SiteMapNodeItem.
        item.get_Controls().Add(finalSeparator);
        // Create a DropDownList and populate it with the children of the 
        // CurrentNode. There are no styles or templates that are applied
        // to the DropDownList control. If OnSelectedIndexChanged is raised, 
        // the event handler redirects to the page selected.
        // The CurrentNode has child nodes.
        DropDownList ddList = new DropDownList();
        ddList.set_AutoPostBack(true);

        ddList.add_SelectedIndexChanged(new EventHandler(this.
            DropDownNavPathEventHandler));
        // Add a ListItem to the DropDownList for every node in the
        // SiteMapNodes collection.
        for (int iCtr = 0; iCtr < childNodes.get_Count(); iCtr++) {
            SiteMapNode node = (SiteMapNode)childNodes.get_Item(iCtr);
            ddList.get_Items().Add(new ListItem(node.get_Title(), node.
                get_Url()));
        }

        item.get_Controls().Add(ddList);
    }
} //AddDropDownListAfterCurrentNode

Windows 98, Windows 2000 SP4, 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.

.NET Framework

Supported in: 2.0

Community Additions

ADD
Show:
© 2014 Microsoft