Add the field to the Summary band and set Calculation to SUM.

>Im having a little issue adding up values for a report. in the details i have like an amount for each client
>so example lets say this is our report( only two people in our DB
>

>Name            Fee
>------------------
>header
>
>Sergey>all       10
>Naomi>all        15
>---------------
>Details
>
>
>Total fee   &&25
>----------------
>summary
>

>
>See im trying to figure out how to get 25 in total fee cause i cant add the field cause its one field just done over and over for everyone in the Table