helo to everybody...please help! urgent....crystal report Question!

how to displaydifferent title in different pages.
For example:

i got 2 option in one report,
(1) sort by manufacturing order number(MO No)
(2) sort by finish date

Question
when user select option (1) then the report title will show then word "by MO No" and will show also From which MO No To which MO No.

Now i only know how to display the word "by MO No" but dono how to display "From which MO No To which MO No"

i only can do this to display the word "by MO No" by write this code
if {?Option} = '1' then
   "(by MO No)"
else
   "(by Finish Date)"

Report -> Selection Formula -> Record
if {?categories}='1' then
{view_Monitoring.Manufacturing order number} in {?MOFrom} to {?MOTo}
else
{view_Monitoring.Finish Date} in {?FinishDateFrom} to {?FinishDateTo}

 

Please help! How to display the From which mo no To which mo no when i choose (1) option, else if i choose option(2) then will display from which finish date to which finish date.
 
----------------------------------------------------------------------------------------------

Example report ll look like:

(1)by Mo No

Manufacturing Report (by Mo No)
From 53010 To 53020

Stockcode      MO No              Description
abc1234        53010               aluminium can
cde4321        53011               big can

----------------------------------------------------------------------

(2)by Finish Date

Manufacturing Report(by Finish Date)
From 01/Jan/2009 To 31/Jan/2009

Stockcode      MO No              Description
abc1234        53010               aluminium can
cde4321        53011               big can

----------------------------------------------------------------------

Question is asking how to display the red part.

Since the to/from is on a second line, you may want to do is as a separte formula.  The trick is that the the paramters you're using need to be converted to text in order to use them in the label.  So, your formula will look something like this: