how to restrict multiple table control line selection in single screen?

Hi Experts,

                            I have one requirement from  client ,i have three table control wizard in a single screen.If i select any one row of one table control the remaining two table controls should not allow the user to select a row.Since line selection option in the table control wizard is not an sy-ucomm command,how can we validate this?

Please give the solution for this.For helpful answer we will reward u points.

Thanks in Advance,

Ashok Puttammanavar