LigerUi中Grid的是否显示工具条(toolbar)！（动态的）

// ================== cs代码 
  protected void Page_Load(object sender, EventArgs e)
     {



     }



     protected string gettool()

     {

         //return "toolbar: {},";

         return "";

    }
 // ================== aspx代码 
 

           { display: "数量", name: "Address", width: 100, type: "text", align: "left" }

 
          ], dataAction: 'local', url: '../handle/mer.ashx?ajaxaction=G_Class',<%=gettool() %>   
              pageSize: 20,rownumbers:true,
           width: '98%', height: '100%', heightDiff: -10, checkbox: false
          });