LigerUi中Grid控件，让左侧第一列显示序号！（实例）

var grid = $("#maingrid").ligerGrid({
          columns: [
          { display: "序号", name: "ID", width: 100, type: "text", align: "left" },
           { display: "联系电话", name: "Telephone", width: 100, type: "date", align: "left" },
          { display: "负责人", name: "LegalPerson", width: 60, type: "date", align: "left" }
         ], dataAction: 'local', url: '../hanClass&v=5', //  【后面的rownumbers:true,加上或去掉】 rownumbers:true, 
             pageSize: 20, sortName: 'OrderID',isScroll: false,var grid = $("#maingrid").ligerGrid({
         width: '98%', height: '100%', heightDiff: -10, checkbox: false
      });

var grid = $("#maingrid").ligerGrid({

          columns: [
          { display: "序号", name: "ID", width: 100, type: "text", align: "left" },
            { display: "联系电话", name: "Telephone", width: 100, type: "date", align: "left" },
          { display: "负责人", name: "LegalPerson", width: 60, type: "date", align: "left" }
         ], dataAction: 'local', url: '../hanClass&v=5', //  【后面的rownumbers:true,加上或去掉】 rownumbers:true, 
             pageSize: 20, sortName: 'OrderID',isScroll: false,var grid = $("#maingrid").ligerGrid({
         width: '98%', height: '100%', heightDiff: -10, checkbox: false

      });