defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Telerik.QuickStart;
using Telerik.WebControls;

namespace Telerik.TreeViewExamplesCSharp.DragAndDropMultiple
{
	/// <summary>
	/// Summary description for _Default.
	/// </summary>
	public class DefaultCS: XhtmlPage
	{
		protected RadTreeView RadTree1;		
		protected Label DragMessage;	

		protected void HandleDrop(object sender, RadTreeNodeEventArgs NodeEvent)
		{		
			// Fetch event data					
			RadTreeNode sourceNode = NodeEvent.SourceDragNode;
			RadTreeNode destNode = NodeEvent.DestDragNode;	
			
			string result = string.Empty;
			if (RadTree1.SelectedNodes.Count > 0)
			{
				foreach (RadTreeNode node in RadTree1.SelectedNodes)
				{
					result += "<b>" + node.Text + "</b>" + ";";	

					if (node != destNode.Parent)
					{
						RadTreeNodeCollection nodeCollection = (node.Parent != null) ? node.Parent.Nodes : node.TreeViewParent.Nodes;
						nodeCollection.Remove(node);
						destNode.AddNode(node);
					}
					node.Selected = false;
				}
			}
			else 
			{
				result = "<b>" + sourceNode.Text + "</b>";
				if (sourceNode != destNode.Parent)
				{
					RadTreeNodeCollection nodeCollection = (sourceNode.Parent != null) ? sourceNode.Parent.Nodes : sourceNode.TreeViewParent.Nodes;
					nodeCollection.Remove(sourceNode);
					destNode.AddNode(sourceNode);
				}

				sourceNode.Selected = false;
			}
			destNode.Expanded = true;

			DragMessage.Text = "You dragged node(s)" + result + " onto node <b>" + destNode.Text + "</b>";
			RadTree1.ClearSelectedNodes();			
		}

		private void Page_Load(object sender, System.EventArgs e)
		{			
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		///		Required method for Designer support - do not modify
		///		the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.Load += new System.EventHandler(this.Page_Load);
		}
		#endregion


	}
}