ASTreeView Demo:Add, Edit & Delete nodes

<script type="text/javascript">
	    //選擇節點 OnNodeSelectedScript="nodeSelectHandler(elem);"
		function nodeSelectHandler(elem){
			var val = "selected node:" + elem.parentNode.getAttribute("treeNodeValue");
			var vals=elem.parentNode.getAttribute("treeNodeValue");
			var valt=elem.innerHTML;//獲取顯示的值
			document.getElementById("<%=divConsole.ClientID %>").innerHTML 
			+= (">>" + val + "<br />");
			document.getElementById("<%=TextBox1.ClientID %>").value = vals;
			document.getElementById("<%=TextBox2.ClientID %>").value = valt;
		}
		//parameter must be "elem"
		function addedHandler( elem ){
			document.getElementById( "<%=divConsole.ClientID %>" ).innerHTML 
			+= ( ">>edit completed. [Node]" + elem.getAttribute("treeNodeValue") 
			+ "<br />" );
		}
		
		//parameter must be "elem"
		function editedHandler( elem ){
			document.getElementById( "<%=divConsole.ClientID %>" ).innerHTML 
			+= ( ">>edit completed. [Node]" + elem.getAttribute("treeNodeValue") 
			+ "<br />" );
		}
		
		//parameter must be "val"
		function deletedHandler( val ){
			document.getElementById( "<%=divConsole.ClientID %>" ).innerHTML 
			+= ( ">>delete completed. [Node]" + val
			+ "<br />" );
		}
		
		//elem is the LI element of each node
		var displayNodeFunc = function( elem ){
			document.getElementById( "<%=divConsole.ClientID %>" ).innerHTML 
			+= ( ">>[Node]" + elem.getAttribute("treeNodeValue") 
			+ " [Parent]:" + elem.parentNode.parentNode.getAttribute("treeNodeValue") 
			+ " [CheckState]:" + elem.getAttribute("checkedState") 
			+ "<br />" );	
		}
	</script>

<ct:ASTreeView ID="astvMyTree" 
							runat="server"
							BasePath="~/Javascript/astreeview/"
							DataTableRootNodeValue="0"
							EnableRoot="false" 
							EnableNodeSelection="true" 
							EnableCheckbox="false" 
							EnableDragDrop="true" 
							EnableTreeLines="true"
							EnableNodeIcon="true"
							EnableCustomizedNodeIcon="false"
							AutoPostBack="false"
							EnableDebugMode="false"
							OnNodeSelectedScript="nodeSelectHandler(elem);"  
							EnableContextMenu="true"
							EnableAjaxOnEditDelete="true"
							EditNodeProvider="~/ASTreeViewRenameNodeHandler.aspx"
							DeleteNodeProvider="~/ASTreeViewDeleteNodeProvider.aspx"
							AddNodeProvider="~/ASTreeViewDemo3.aspx"
							AdditionalAddRequestParameters="{'t':'ajaxAdd'}"
							AddNodePromptDefaultValue="New Node" 
							AddNodePromptMessage="Hello, please add a new node:"
							AddNodeDataValueProvider="return prompt('new ndoe? under:' + elem.getAttribute('treeNodeValue'),'new node name');"
							OnNodeAddedScript="addedHandler(elem)"	
							OnNodeEditedScript="editedHandler(elem)"
							OnNodeDeletedScript="deletedHandler(val)" OnOnSelectedNodeChanged="astvMyTree_OnSelectedNodeChanged"  />

/// <summary>
		/// initial controls, bind you events etc. here
		/// </summary>
		private void InitializeComponent()
		{
            //獲取值 添加右鍵菜單進行編輯
            //this.astvMyTree.ContextMenu.MenuItems.Add(new ASContextMenuItem("獲取 current value", "alert('current value:' + " + this.astvMyTree.ContextMenuClientID + ".getSelectedItem().parentNode.getAttribute('treeNodeValue')" + ");return false;", "otherevent"));
            this.astvMyTree.ContextMenu.MenuItems.Add(new ASContextMenuItem("獲取 current value", "alert('current value:' + " + this.astvMyTree.ContextMenuClientID + ".getSelectedItem().parentNode.getAttribute('treeNodeValue')" + ");window.location.href ='ASTreeViewEdit.aspx?EditNodeValues='+" + this.astvMyTree.ContextMenuClientID + ".getSelectedItem().parentNode.getAttribute('treeNodeValue')" + ";", "otherevent"));
            this.astvMyTree.ContextMenu.MenuItems.Add(new ASContextMenuItem("獲取 current text", "alert('current text:' + " + this.astvMyTree.ContextMenuClientID + ".getSelectedItem().innerHTML" + ");return false;", "otherevent"));
		}

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http://www.astreeview.com/astreeviewdemo/astreeviewdemo1.aspx