Ext.onReady( function() {
            var sm = new Ext.grid.CheckboxSelectionModel();
            
            /**
             * 生成列模型
             */
            var cm = new Ext.grid.ColumnModel(
            [ 
            //new Ext.grid.RowNumberer(), 
            sm,
            {
                header :'编号',
                dataIndex :'id',
                sortable :true
            },
            {
                header :'任务状态',
                dataIndex :'flag',
                renderer : fullFlag,
                sortable :true
            }, {
                id:'PROJECT_NO',
                header :'任务编号',
                dataIndex :'task_no',
                sortable :true
            }, {
                header :'任务执行人',
                dataIndex :'task_person',
                sortable :true
            }, {
                header :'创建时间',
                dataIndex :'create_date',
                sortable :true
            } , {
                id:'PROJECT_NO',
                header :'任务明细',
                dataIndex :'caozuo', 
                align:'center',
                renderer:renderProject,
                sortable: false
            }]);
  var tbar =new Ext.Toolbar({
           items: [{
               text: '新增',
               id: 'btnAdd' ,
               icon: "./Images/icons/add.png",
               cls: "x-btn-text-icon",
               handler : function() {
               Taskwork.show();
                         
                   }
                 
                 },  '-', 
              { 
              text: '删除',
               id: 'btnUpdate',
               icon: "./Images/icons/delete.png", 
               cls: "x-btn-text-icon",
               handler : function() {
                  del();
                  }
                }, '-', 
              { 
              text: '提交',
               id: 'btnSubmit' ,
               icon: "./Images/icons/submit.gif", 
               cls: "x-btn-text-icon"
                } 
              ],
              listeners : { 
                          'render': function(){ 
                          toolBar2.render(grid.tbar); 
                          } 
                          }
                          });
            
            
            
             var store = new Ext.data.JsonStore({
                proxy :new Ext.data.HttpProxy( {
                    //method :'get',get模式下提交不了页面的参数
                    method:'post',
                    url :'WorkTaskList.aspx'
                }),
                root :'root',
                    totalProperty :'totalProperty',
                idProperty: 'threadid',
                
                   remoteSort: true,
                 fields:
                  [
                    {name:"id" , type:"int"},
                    {name:"flag" , type:"int"},
                    {name:"task_no" , type:"string"} ,
                    {name:"task_person" , type:"string"} ,
                    {name:"create_date" , type:"string"},
                    {name:"caozuo" , type:"string"}
                 ]    
            });    
            
       
            /**
             * 生成Bbar,用于分页显示
             */
            var bbar = new Ext.PagingToolbar( {
                pageSize :10,
                store :store,
                displayInfo :true,
                displayMsg :'显示第{0}条到{1}条记录，一共{2}条',
                emptyMsg :'没有记录'
            });

            /**
             * 声明一个Grid，列表显示信息
             */
            var grid = new Ext.grid.GridPanel( {
                
                title :'工作任务单',
                height :600,