jquery - jqgrid addRowData gives error t.p.data.push is not a function -


i adding data grid using custom button. in case if data exists in grid, new row added correctly. if grid empty , add new row, gives uncaught typeerror: t.p.data.push not function error @ jqgrid source file. code used add new row below

var rows = $("#" + gridname).getdataids(); $("#" + gridname).jqgrid("addrowdata", rows.length + 1, { id: rows.length + 1},'first'); $("#" + gridname).editrow(rows.length + 1, true);

i using custom nav bar adding , editing grid.

the grid created using following code createjqgrid:function(gridid, columns, griddata){

        $("#"+gridid).jqgrid({             datatype: 'local',             data: griddata,             editurl: 'clientarray',             colmodel: columns,             loadonce: false,             //width: '100%',             autowidth: true,             shrinktofit:false,             height: 250,             rownumbers: false,             multiselect: true,             celledit: true,             toppager: true,             clonetotop: true,             rownum: 10000,             pager: "#pager"+gridid,             cellsubmit: 'clientarray',             ondblclickrow: function(rowid, irow, icol) {                 //$("#save" + gridid).removeclass("ui-state-disabled");             },             beforeselectrow: function(rowid, e) {                 return true;             },             beforecellselect: function(rowid, e) {                 return true;             },             aftereditcell: function(rowid, cellname, cellvalue, irow, icol) {                  var celldom = this.rows[irow].cells[icol];                 $(celldom).removeclass("ui-state-highlight");                 $("#save" + gridid).removeclass("ui-state-disabled");              },             oncellselect: function(rowid, celname, value, irow, icol) {                 //$("#save" + gridid).removeclass("ui-state-disabled");              return true;             },             loadcomplete: function() {              }          });  $("#"+gridid).navgrid("#pager"+gridid, {             clonetotop: true,             edit: false,             search: false,             add: false,             del: false,             refresh: false,             view: false         });

after grid created, based on calls, update griddata grid.

toolbar added using

        grid.jqgrid('navbuttonadd', '#' + grid[0].id + '_toppager_left', { // "#list_toppager_left"             caption: "",             title: "add",             id: 'add' + gridname,             onclickbutton: function() {                 // perform something...                 var rows = $("#" + gridname).getdataids();                 $("#" + gridname).jqgrid("addrowdata", rows.length + 1, {                     id: rows.length + 1                 },'first');                  $("#" + gridname).editrow(rows.length + 1, true);                  // call whenever save button needs enabled                 $("#save" + gridname).removeclass("ui-state-disabled");             }         });

when grid has data, addrowdata works, when grid empty, gives error

                if(t.p.datatype === 'local') {                     lcdata[t.p.localreader.id] = id;                     t.p._index[id] = t.p.data.length;                     t.p.data.push(lcdata); // error comes on line                     lcdata = {};                 }

you assign data using griddata. value have griddata "when grid empty"? should empty array [] , not undefined or null.

moreover filling of grid using var rows = $("#" + gridname).getdataids();$("#" + gridname).jqgrid("addrowdata", rows.length + 1, {..},'first');... bad if in loop , fill grid many rows. in way usage of rows.length + 1 bad choice if rows can deleted , not inserted. recommend use $.jgrid.randid() function instead generate unique value van used rowid.


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