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Метод PortalSiteMapProvider.GetChildNodes (PortalSiteMapNode, NodeTypes, NodeTypes, OrderingMethod, AutomaticSortingMethod, Boolean, Int32)

  • Статья

Возвращает коллекцию дочерних узлов указанного родительского узла, типы узлов для включения скрытых узлов для включения, отсортированный, ограничиваются безопасности и параметры сортировки.

Пространство имен:  Microsoft.SharePoint.Publishing.Navigation
Сборка:  Microsoft.SharePoint.Publishing (в Microsoft.SharePoint.Publishing.dll)

Синтаксис

'Декларация
Public Overridable Function GetChildNodes ( _
    node As PortalSiteMapNode, _
    includedTypes As NodeTypes, _
    includedHiddenTypes As NodeTypes, _
    ordering As OrderingMethod, _
    method As AutomaticSortingMethod, _
    ascending As Boolean, _
    lcid As Integer _
) As SiteMapNodeCollection
'Применение
Dim instance As PortalSiteMapProvider
Dim node As PortalSiteMapNode
Dim includedTypes As NodeTypes
Dim includedHiddenTypes As NodeTypes
Dim ordering As OrderingMethod
Dim method As AutomaticSortingMethod
Dim ascending As Boolean
Dim lcid As Integer
Dim returnValue As SiteMapNodeCollection

returnValue = instance.GetChildNodes(node, _
    includedTypes, includedHiddenTypes, _
    ordering, method, ascending, lcid)

public virtual SiteMapNodeCollection GetChildNodes(
    PortalSiteMapNode node,
    NodeTypes includedTypes,
    NodeTypes includedHiddenTypes,
    OrderingMethod ordering,
    AutomaticSortingMethod method,
    bool ascending,
    int lcid
)

Параметры

  • ascending
    Тип: System.Boolean

    Следует ли использовать по возрастанию или по убыванию.

  • lcid
    Тип: System.Int32

    КОД языка для языка и региональных параметров сортировки.

Возвращаемое значение

Тип: System.Web.SiteMapNodeCollection
Коллекция дочерних узлов типа указан, сортируются как указано.

Примеры

Следующий пример ссылается на следующие сборки:

  • System.dll

  • System.Data.dll

  • System.Xml.dll

  • System.Web.dll

  • System.Configuration.dll

  • Microsoft.SharePoint.dll

  • Microsoft.SharePoint.Library.dll

  • Microsoft.SharePoint.Publishing.dll

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Web;

using Microsoft.SharePoint;
using Microsoft.SharePoint.Navigation;

using Microsoft.SharePoint.Publishing;
using Microsoft.SharePoint.Publishing.Navigation;

namespace Microsoft.SDK.SharePointServer.Samples
{
    class GetChildNodesSample
    {
        // Get a list of the navigation headings beneath a specified
        // Web site in current navigation. This method must be called from
        // within a current and valid HttpContext object.
        public static List<string>GetNavigationHeadingTitles(string serverRelativeWebUrl)
        {
            List<string> titles = null;

            // Get a reference to the current navigation provider:
            // the one that doesn't HTML-encode titles.
            PortalSiteMapProvider portalProvider = PortalSiteMapProvider.CurrentNavSiteMapProviderNoEncode;
            // lookup the node for the given Web site URL.
            PortalWebSiteMapNode webNode = 
                portalProvider.FindSiteMapNode(serverRelativeWebUrl) as PortalWebSiteMapNode;

            if (webNode != null)
            {
                // Retrieve the heading nodes beneath the 
                // specified Web site.
                SiteMapNodeCollection headingNodes = 
                    portalProvider.GetChildNodes(webNode, NodeTypes.Heading, NodeTypes.None);

                titles = new List<string>(headingNodes.Count);

                foreach (PortalSiteMapNode headingNode in headingNodes)
                {
                    // Add the title to the list.
                    titles.Add(headingNode.Title);
                }
            }

            // Return the list of titles.
            return titles;
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Data
Imports System.Web

Imports Microsoft.SharePoint
Imports Microsoft.SharePoint.Navigation

Imports Microsoft.SharePoint.Publishing
Imports Microsoft.SharePoint.Publishing.Navigation

Namespace Microsoft.SDK.SharePointServer.Samples
    Friend Class GetChildNodesSample
        ' Get a list of the navigation headings beneath a specified
        ' Web site in current navigation. This method must be called from
        ' within a current and valid HttpContext object.
        Public Shared Function GetNavigationHeadingTitles(ByVal serverRelativeWebUrl As String) As List(Of String)
            Dim titles As List(Of String) = Nothing

            ' Get a reference to the current navigation provider:
            ' the one that doesn't HTML-encode titles.
            Dim portalProvider As PortalSiteMapProvider = PortalSiteMapProvider.CurrentNavSiteMapProviderNoEncode
            ' lookup the node for the given Web site URL.
            Dim webNode As PortalWebSiteMapNode = TryCast(portalProvider.FindSiteMapNode(serverRelativeWebUrl), PortalWebSiteMapNode)

            If webNode IsNot Nothing Then
                ' Retrieve the heading nodes beneath the 
                ' specified Web site.
                Dim headingNodes As SiteMapNodeCollection = portalProvider.GetChildNodes(webNode, NodeTypes.Heading, NodeTypes.None)

                titles = New List(Of String)(headingNodes.Count)

                For Each headingNode As PortalSiteMapNode In headingNodes
                    ' Add the title to the list.
                    titles.Add(headingNode.Title)
                Next headingNode
            End If

            ' Return the list of titles.
            Return titles
        End Function
    End Class
End Namespace

См. также

Справочные материалы

PortalSiteMapProvider класс

Элементы PortalSiteMapProvider

Перегрузка GetChildNodes

Пространство имен Microsoft.SharePoint.Publishing.Navigation

PortalSiteMapProvider