addEventHandler ( 'onClientGUIDoubleClick' , root ,
function ( )
if ( source == yourgrid ) then
local aSelect = guiGridListGetItemText ( yourgrid , guiGridListGetSelectedItem ( yourgrid ), 1 )
if ( aSelect == 'المهمات') then
guiGridListClear ( yourgrid )
guiGridListSetItemText ( yourgrid , gridListAddRow ( yourgrid ) , 1 , 'مهمة الديربي' , false , false )
end
end
end
)