I'm using RowGroup and it is throwing error,

nandinitm

Link to test case:
Debugger code (debug.datatables.net):
Error messages shown:
Description of problem:

Uncaught TypeError: Cannot read properties of undefined (reading '_fnGetObjectDataFn')
at RowGroup._group (dataTables.rowGroup.js:234:31)
at RowGroup._draw (dataTables.rowGroup.js:208:26)
at HTMLTableElement.<anonymous> (dataTables.rowGroup.js:159:10)
at HTMLTableElement.dispatch (jquery.min.js:2:43090)
at v.handle (jquery.min.js:2:41074)
at Object.trigger (jquery.min.js:2:71513)
at HTMLTableElement.<anonymous> (jquery.min.js:2:72108)
at Function.each (jquery.min.js:2:2976)
at S.fn.init.each (jquery.min.js:2:1454)
at S.fn.init.trigger (jquery.min.js:2:72084)

Table is defined as follows
...var table = $('#tableContent').DataTable( {
"ajax": {
"url": "/programs"
},
"columns": [
{ "data": "column1" },
{ "data": "column2" },
{ "data": "column3" },
{ "data": "column4" },
{ "data": "column5" ,"defaultContent": ""},
{ "data": "column6 },
{ "data": "column7" },
{ "data": “column8 }
],
"rowGroup": {
dataSrc: 'column1',
startRender: function ( rows, group ) {
var collapsed = !!collapsedGroups[group];
rows.nodes().each(function (r) {
r.style.display = collapsed ? 'none' : '';
});
return $('<tr />')
.append('<td style="background-color:#9fcc9fd6" colspan="8">' + group + ' (' + rows.count() + ')</td>')
.attr('data-name', group)
.toggleClass('collapsed', collapsed);
},
},
...

kthorngren

For troubleshooting purposes comment out the rowGroup.startRender option. Do you still see the error?

Its hard to say why the error is occurring without seeing the problem. Can you post a link to your page or a test case replicating the error so we can help debug?
https://datatables.net/manual/tech-notes/10#How-to-provide-a-test-case

Kevin