Crystal Reports 10 - How to Display Duplicate Records

Can any one help me.

I am running Crystal Reports 10 and wish to display any record that is duplicate. It is a single table at the moment.

This is an example....

ID  Name Age
1  Alan    18
2  Chris   19
3  Chris   19
4  Jane    20
5  Jack    18
6  Jack   18

I want to display

Chris 19
Jack 18

How is this done. I have heard of previous value etc but how is this done in formulas.

I am new as you may have noticed to Crystal Reports.


directredAsked:
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mlmccConnect With a Mentor Commented:
Try this

Group on the name field
In the group header add the fields to display
Suppress the group header using a formula
   Count({NameField},{NameField}) = 1

mlmcc
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SpydergtCommented:
Or you can use a formula to create a more uniqque group incase he has jack 17 and jack 18.  Basically {field1}+{field2}+{field3} would be the formula.  Gorup by the formula.  And surpress based on the count like the previous poster mentioned.
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directredAuthor Commented:
I tried the above but still getting problems.
Done the following
1..Made Name a group
2.Went into the Format Field of the group
3.Selected common tab
4.Selected Suppress if duplicate.
5. Put in the formula
count({NAME},{NAME}) > 1
6.Ticked and also unticked Supress if duplcate
7. OK that and ran again.

Still getting the wrong display.
I must be doing something really stupid. Sorry if I am.
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directredAuthor Commented:
Added comment....

Example of display....

Alan
      18
Chris
     19
     19
Jane
     20
Jack
    18
    18

I want only Jack and Chris to be displayed with their numbers.

Hope this makes sense?
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mlmccCommented:
The count statement needs to use your fields.


Are you using it in the SUPPRESS formula?

mlmcc
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directredAuthor Commented:
I am using it in the SUPPRESS formula within the suppress to duplicate option.

Hope this makes sense?
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mlmccCommented:
No use it in the SUPPRESS formula in the SECTION EXPERT

mlmcc
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H0P5Commented:
A cross tab might be an easy way to do it.
You would then show each name only once, and you could display the max age against it.
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directredAuthor Commented:
Thanks for your help. Once I put the formula in the correct area, it works a treat. Thanks again
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