SiteMapNodeItem.SiteMapNode 属性

定义

命名空间:

System.Web.UI.WebControls

程序集:

System.Web.dll

获取或设置 SiteMapNode 表示的 SiteMapNodeItem 对象。

public:
 virtual property System::Web::SiteMapNode ^ SiteMapNode { System::Web::SiteMapNode ^ get(); void set(System::Web::SiteMapNode ^ value); };

public virtual System.Web.SiteMapNode SiteMapNode { get; set; }

member this.SiteMapNode : System.Web.SiteMapNode with get, set

Public Overridable Property SiteMapNode As SiteMapNode

属性值

SiteMapNode

一个 SiteMapNode 对象，SiteMapPath 控件使用该对象来显示网站导航用户界面。

示例

下面的代码示例演示如何获取 SiteMapNode 属性并访问 Title 对象的属性和 Url 属性 SiteMapNode 。 此代码示例是为类提供的大型示例的一 SiteMapPath 部分。

// Override the InitializeItem method to add a PathSeparator
// and DropDownList to the current node.
protected override void InitializeItem(SiteMapNodeItem item) {

    // The only node that must be handled is the CurrentNode.
    if (item.ItemType == SiteMapNodeItemType.Current)
    {
        HyperLink hLink = new HyperLink();

        // No Theming for the HyperLink.
        hLink.EnableTheming = false;
        // Enable the link of the SiteMapPath is enabled.
        hLink.Enabled = this.Enabled;

        // Set the properties of the HyperLink to
        // match those of the corresponding SiteMapNode.
        hLink.NavigateUrl = item.SiteMapNode.Url;
        hLink.Text        = item.SiteMapNode.Title;
        if (ShowToolTips) {
            hLink.ToolTip = item.SiteMapNode.Description;
        }

        // Apply styles or templates to the HyperLink here.
        // ...
        // ...

        // Add the item to the Controls collection.
        item.Controls.Add(hLink);

        AddDropDownListAfterCurrentNode(item);
    }
    else {
        base.InitializeItem(item);
    }
}

' Override the InitializeItem method to add a PathSeparator
' and DropDownList to the current node.
Protected Overrides Sub InitializeItem(item As SiteMapNodeItem)

   ' The only node that must be handled is the CurrentNode.
   If item.ItemType = SiteMapNodeItemType.Current Then
      Dim hLink As New HyperLink()

      ' No Theming for the HyperLink.
      hLink.EnableTheming = False
      ' Enable the link of the SiteMapPath is enabled.
      hLink.Enabled = Me.Enabled

      ' Set the properties of the HyperLink to
      ' match those of the corresponding SiteMapNode.
      hLink.NavigateUrl = item.SiteMapNode.Url
      hLink.Text = item.SiteMapNode.Title
      If ShowToolTips Then
         hLink.ToolTip = item.SiteMapNode.Description
      End If

      ' Apply styles or templates to the HyperLink here.
      ' ...
      ' ...
      ' Add the item to the Controls collection.
      item.Controls.Add(hLink)

      AddDropDownListAfterCurrentNode(item)
   Else
      MyBase.InitializeItem(item)
   End If
End Sub

注解

该 SiteMapNode 属性获取或设置 SiteMapNode 绑定到的属性 SiteMapNodeItem 。 SiteMapNodeItem 具有 PathSeparator 类型的对象未绑定到相应的 SiteMapNode 对象。

另请参阅

• SiteMapNode
• SiteMapProvider