title: Error "No url is set" at row editing in jqgrid
body: <p>I Found dialog with text "No url is set" when edit row at jqgrid. After press enter, i found dialog with text "No url is set".
  anyone can help me about this problem?</p>
  
  <p>This is my jqgrid code</p>
  
  <pre><code>function callIdGrid() {
      var lastSel;
      jQuery("#id_grid").jqGrid({
          height:200,
          width:655,
          colNames:['Name','Address','Amount'],
          colModel:[{
              name:'acctId',
              index:'acctId',
              width:150,
              editable:true
          },{
              name:'address',
              index:'address',
              width:150,
              editable:true
              }
          },{
              name:'amount',
              index:'amount',
              formatter:'currency',
              width:150,
              editable:true
          }],
          pager: '#id_pager',
          sortname: 'acctId',
          viewrecords: true,
          sortorder: "desc",
          caption:"Accounts",
          cellEdit: true,
          editurl:"noabjad.json",
          onSelectRow: function(acctId){
          if(acctId &amp;&amp; acctId!==lastSel){
          jQuery('#id_grid').jqGrid('restoreRow',lastSel);
          jQuery('#id_grid').jqGrid('editRow',acctId,true,onSaveSuccess);
          lastSel=acctId;
          }
          }
          editurl: 'clientArray'
      }) ;
      jQuery("#id_grid").jqGrid('navGrid','#id_pager',{
          add:true,
          del:false,
          search:false,
          edit:true
      },{
          reloadAfterSubmit:false
      },{
          reloadAfterSubmit:false
      }).navButtonAdd("#id_pager",{
          caption:"",
          buttonicon:"",
          onClickButton:function(){
          var datarow = {acctId: "", address: "", amount: ""};
          var su=jQuery("#id_grid").addRowData("X",datarow,"first");
          if(su) { jQuery("#id_grid").setSelection('X') }
      }
  
      });
      function onSaveSuccess(xhr){
          response = xhr.responseText;
          if(response == 1) return true; return false;
      }
  }
  </code></pre>