public class TreeEvents : OboutInc.oboutAJAXPage
                        

    public TreeEvents()
    {
        oTreeDB = new obout_Tree_DB.TreeDB();           

        // declaring the connection string:
        oTreeDB.ConnectionString = "Driver={Microsoft Access Driver (*.mdb)};DBQ=" + Server.MapPath("TreeNodes.mdb") + ";UID=;PWD=;";
        
        // declaring the table name:            
        oTreeDB.TableName("treeview");          

        // declaring the name and the type of the fields from the database
        oTreeDB.FieldName_ID("NodeID");
        oTreeDB.FieldName_Parent("ParentID");
        oTreeDB.FieldName_Html("NodeHTML");
        oTreeDB.FieldName_Icon("NodeIcon");
        oTreeDB.FieldName_LevelIndex("NodeLevel", "numeric");
        oTreeDB.FieldName_Expanded("Expanded", "numeric");
    }
                        

    
    public string OnAddNode(string parentId, string childId, string textOrHTML, string expanded, string image, string subTreeURL)
    {        
        oTreeDB.EventType = "Add";        
        oTreeDB.EventData = parentId + "|" + childId + "|" + textOrHTML + "|" + image + "|" + expanded;                 
        string sResult = oTreeDB.Process();
        return sResult;         
    }
                        

    public string OnNodeEdit(string id, string text, string prevText)
    {        
        oTreeDB.EventType = "Edit";        
        oTreeDB.EventData = id + "|" + text;                    
        string sResult = oTreeDB.Process();
        return sResult;         
    }
                        

    public string OnRemoveNode(string id)
    {
        oTreeDB.EventType = "Remove";
        oTreeDB.EventData = id;
        string sResult = oTreeDB.Process();
        return sResult;         
    }
                        

    public string OnNodeDrop(string src, string dst)
    {        
        oTreeDB.EventType = "UpdateLevel";        
        oTreeDB.EventData = dst + "," + src;        
        string sResult = oTreeDB.Process();
        return sResult;         
    }