XmlHierarchicalDataSourceView.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / XmlHierarchicalDataSourceView.cs / 1305376 / XmlHierarchicalDataSourceView.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.WebControls { 
 
    using System;
    using System.Collections; 
    using System.ComponentModel;
    using System.Data;
    using System.Drawing.Design;
    using System.Text; 
    using System.Web;
    using System.Web.UI; 
    using System.Web.Util; 
    using System.Xml;
 


    /// 
    /// Represents a hierarchical view of an XmlDataSource. 
    /// 
    public class XmlHierarchicalDataSourceView : HierarchicalDataSourceView { 
 
        private XmlDataSource _owner;
        private string _viewPath; 

        /// 
        /// Creates a new instance of XmlHierarchicalDataSourceView.
        ///  
        internal XmlHierarchicalDataSourceView(XmlDataSource owner, string viewPath) {
            Debug.Assert(owner != null); 
            _owner = owner; 
            _viewPath = viewPath;
        } 



        public override IHierarchicalEnumerable Select() { 
            XmlNode root = _owner.GetXmlDocument();
 
            XmlNodeList nodes = null; 
            if (!String.IsNullOrEmpty(_viewPath)) {
                XmlNode node = root.SelectSingleNode(_viewPath); 
                if (node != null) {
                    nodes = node.ChildNodes;
                }
            } 
            else {
                if (_owner.XPath.Length > 0) { 
                    nodes = root.SelectNodes(_owner.XPath); 
                }
                else { 
                    nodes = root.ChildNodes;
                }
            }
 
            return new XmlHierarchicalEnumerable(nodes);
        } 
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK