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How to calculate a conditional "serial number" for different categories

Question asked by user28313 on Oct 19, 2016
Latest reply on Oct 22, 2016 by user28313

Hello everybody.

 

I am new to FileMaker and kind of stuck with a particular problem that according to my understandings of FileMaker should not be too hard to solve…

I am creating a research database that contains 3 different patient populations, population 1-3 (additional ones might be added later).

When creating a new record, I have a field with a pop-up menu where you can select population 1-3. Then I want to make a field (I assume it should be a calculation field) which automatically assigns a continuous number to each new patient that is added to the specific population. For example, if there are already 15 patients in population 2 the field should automatically show 016 for the next entry.

Here an example:

Populations:    1          Contains already 10 patients             

                        2          Contains already 15 patients

                        3          Contains 0 patients

When making a new record there is a field to select the population (pop-up menu).

Then the next field should automatically come up with the next patient number for the population: 011 for population 1; 016 for population 2 and 001 for population 3.

 

I am using FileMaker 15.

 

Any help would be appreciated very much!

Thanks!

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