65 lines
1.8 KiB
C#
65 lines
1.8 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="XmlHierarchicalDataSourceView.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI.WebControls {
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing.Design;
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using System.Text;
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using System.Web;
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using System.Web.UI;
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using System.Web.Util;
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using System.Xml;
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/// <devdoc>
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/// Represents a hierarchical view of an XmlDataSource.
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/// </devdoc>
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public class XmlHierarchicalDataSourceView : HierarchicalDataSourceView {
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private XmlDataSource _owner;
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private string _viewPath;
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/// <devdoc>
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/// Creates a new instance of XmlHierarchicalDataSourceView.
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/// </devdoc>
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internal XmlHierarchicalDataSourceView(XmlDataSource owner, string viewPath) {
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Debug.Assert(owner != null);
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_owner = owner;
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_viewPath = viewPath;
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}
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public override IHierarchicalEnumerable Select() {
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XmlNode root = _owner.GetXmlDocument();
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XmlNodeList nodes = null;
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if (!String.IsNullOrEmpty(_viewPath)) {
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XmlNode node = root.SelectSingleNode(_viewPath);
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if (node != null) {
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nodes = node.ChildNodes;
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}
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}
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else {
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if (_owner.XPath.Length > 0) {
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nodes = root.SelectNodes(_owner.XPath);
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}
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else {
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nodes = root.ChildNodes;
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}
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}
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return new XmlHierarchicalEnumerable(nodes);
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}
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}
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}
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