SMART datagrid v.1 > Classes > GridBase
Return the value of field which has been specified by field of Data Row corresponding to parameter rowIndex.
In rowIndex, you can also directly specify GridRow object. In field, you can specify field name or field index or Column Object.
var v1 = grid.getCellValue(0, 1);
var v2 = grid.getCellValue(1, 'fldName');
if (v1 != v2) {
alert('different!');
}