addCellCss()
adds a style to a cell
addCellCss(rowId: string | number, colId: string | number, css: string): void;
Parameters:
- rowId: string | number- the id of a row
- colId: string | number- the id of a column
- css: string- the name of the CSS class
Example
<style>
    .myCustomClass{
        background:greenyellow;
    }
</style>
<script>
    ...
    grid.addCellCss("1", "b", "myCustomClass");
</script>
Related sample: Grid. Add cell CSS