SMART datagrid v.1 > Classes > GridRow
If it is connected to data row of DataSet, it will return the corresponding data set.
Defaults to null.
var dataSet = grid.focusedRow().dataSource();
dataSet.clearRowStates([], true);
Whenever calling this property, it will find and return the reference of top row. It it should be used several times within the range of function, you must store and reuse by local variable, etc. On the contrary, you should not maintain the reference more than a function call range.