Is the record source for the Grid Temp by any chance?

Try:

lcTyp  = alltrim(upper(thisform.grid2.column1.text1.value))
lcMac1 = alltrim(upper(thisform.grid2.column2.text1.value))
select * from temp;
  where alltrim(upper(temp.typ)) == lcTyp and alltrim(upper(temp.mac1)) == lcMac1;
  into array laResults

I assumed that the .. and the column1 after the and instead of column2 were typos.