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Filling a field with text conditionally

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  • Filling a field with text conditionally

    I have the following table that indicates the obesity type based on the value of IMC (index mass of corp)

    IMC values ........ Evaluation
    18.5 - 24.99 ....... Normal
    25 - 29.99 ........ Preobeso
    30 - 34.99 ........ Obeso tipo I
    35 - 39.99 ........ Obeso tipo II
    =>40 .............. Obeso tipo III

    I have created the field IMCvalue (numeric) and the field OType (characters).
    IMCvalue field is a calculated field based on the height and weigth of person that is working normaly, but I want to fill the OType field with text based on the data of the table.
    For example I want that OType field shows Normal if IMCvalue is between 18.5 - 24.9

    Waiting for somebody help.

  • #2
    Re: Filling a field with text conditionally

    Examine the onchange events for the weight and height fields in my sample for one approach.

    Otype could also be a calculated field with the expression.

    Code:
    case(between(imcvalue,18.5,24.99),"Normal",between(imcvalue,25,29.99),"Preobeso",between(imcvalue,30,34.99),"Obeso tipo I",between(imcvalue,35,39.99),"Obeso tipo II",imcvalue>=40,"Obeso tipo III")
    Last edited by Stan Mathews; 11-16-2009, 09:59 AM.
    There can be only one.

    Comment


    • #3
      Re: Filling a field with text conditionally

      I would not recommend that the numbers for the obesity-types ranges be hard coded. These numbers can change and you want to be able to make the change without having to get into the code. I would put the numbers into a table and make a function to evaluate the IMCvalue against the values in a table. The example attached has a user defined function (UDF) named imc_eval() called from the CanSaveRecord Event field rule in the Pacientes table.
      Mike W
      __________________________
      "I rebel in at least small things to express to the world that I have not completely surrendered"

      Comment


      • #4
        Re: Filling a field with text conditionally

        Just a different approach using Lookupc()

        Comment


        • #5
          Re: Filling a field with text conditionally

          yes, better approach. actually, mine not reliable outside the ranges and with more absurd values.
          Mike W
          __________________________
          "I rebel in at least small things to express to the world that I have not completely surrendered"

          Comment


          • #6
            Re: Filling a field with text conditionally

            Originally posted by Stan Mathews View Post
            Examine the onchange events for the weight and height fields in my sample for one approach.

            Otype could also be a calculated field with the expression.

            Code:
            case(between(imcvalue,18.5,24.99),"Normal",between(imcvalue,25,29.99),"Preobeso",between(imcvalue,30,34.99),"Obeso tipo I",between(imcvalue,35,39.99),"Obeso tipo II",imcvalue>=40,"Obeso tipo III")
            Stan

            Many thanks for your solution, it works perfectly. I was trying sometimes using "between", but I couldn't and errrors were displayed.

            Rafael

            Comment


            • #7
              Re: Filling a field with text conditionally

              Raphael,

              The other suggestions posted are worth studying as well. If your possible choices exceed the indicate 5 and/or the choices may be added to over time, the lookup() would likely be the way to handle the situation.

              For a short static list of possible choices the calculated field will suffice. Another easy way to accomplish this is with a simple list lookup field rule.
              There can be only one.

              Comment


              • #8
                Re: Filling a field with text conditionally

                Originally posted by Mike Wilson View Post
                I would not recommend that the numbers for the obesity-types ranges be hard coded. These numbers can change and you want to be able to make the change without having to get into the code. I would put the numbers into a table and make a function to evaluate the IMCvalue against the values in a table. The example attached has a user defined function (UDF) named imc_eval() called from the CanSaveRecord Event field rule in the Pacientes table.
                Mike

                Many thanks. I like the use of UDF, since I have just to put on the table the values, that will be useful when having another table. I realizes that the changes on the field OType are produced only after saving the record, so I have added "save record" on the ON CHANGE events of the fields Height and Weight and the evaluation is inmediately displayed on OType field
                Rafael

                Comment


                • #9
                  Re: Filling a field with text conditionally

                  Originally posted by gaby_h View Post
                  Just a different approach using Lookupc()
                  Gaby.

                  Many thanks. I like the use of UPC since it is easy to set different values on the table.
                  Rafael

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