How to get row property wihtout looping?

Using flexgrid I have this table

accno | name
001 | Jose
002 | Juan
003 | Ken

Given the accno, I can get the row of a record in the grid using For loop

For x = 1 to grid.Rows - 1
If grid.Textmatrix(x, 0) = [the given accno] Then [required row] = x
Next

Can I obtain same output without looping?