I would like to remove the padding from all grid cells in one column.
You can use css property of the field to define column className:
view: "grid",
fields:[
...
{
id:"Name",
css: "mycss",
...
},
...
},
...
mycss can be like in my example below:
<style>
.mycss{
padding: 0 !important;
}
</style>