dt = Current Data Table();
ab = (dt << get selected rows)[1];
aaa = Column( dt, (dt << get selected columns)[1] )[(dt << get selected rows)[1]];
r = N Row( dt );
i = 1;
j = 1;
For( j = 1, j <= r, j++,
For( i = 1, i <= 2, i++,
If( dt[j, i ] == aaa,
Column( i ) << Color Cells( "red", j ),
Column( i ) << Color Cells( "white", j )
)
)
);