I was wrong, …
I copied the same code in each tab,
and I didn’t know that the following code set the name and id of each nested grid,
rowdetailstemplate: {
rowdetails: “<div id=‘gridCxC’ name=’subgrid’ style=’margin: 10px;’></div>”,
rowdetailsheight: 220,
rowdetailshidden: true
},
the ‘gridCxC’ is the id
gridCxC0
gridCxC1
gridCxC2
etc
I copied (wrongl