Jtable getcolumnvalue

[limpep]

So basically i've got a jtable with data in it colm1, colm2 and colm3 I want to be able to get the values in say for example colm2 and run it aganist my server but im having trouble. here is what my code looks like

                        int row_index = 0;
                        int col_index = 0;
                        for (int i = 0; i < row_index; i++) {
                            Object o = MyTable.getModel().getValueAt(i, col_index); 
                            data[0] = o.toString(); 
                        }

Regards Limpep