urgent...possible to make an existing row in the grid non editable

there is an existing row in my grid and i want to make that particular row only non-editable?anyone reply me immediately.....

Try:

obj.setCellEditable(false, column, row);

for example, this will set the cell at column 2, row 1 as non-editable:

obj.setCellEditable(false, 2, 1);

Ankur