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Design Help Needed

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    Design Help Needed


    I cannot think through how to solve this problem.

    I have a set where a supervisor is the parent, and child records in a browse that are supervised. Each child record has a supervision_date. I want to know the days between current record supervision_date, and their previous supervision (on the now previous record). Specifically, I want to know if a supervision occurred within the last 60 days comparing the current record supervision_date with the previous records, supervision_date.

    Your help is greatly appreciated.


    RE: Design Help Needed

    Thomas, as you probably know, Alpha Five will permit you to subtract one date from another and will return the difference as a numeric value.

    The trick in your situation is to think through the context of where this calculation should occur. Here are some options:

    1) compare supervision dates when a new supervision record is entered, and store the result in a field in the table; or

    2) compare supervision dates in a report which highlights those entries which exceed the 60 day criteria.

    It may even be possible to build a form and cause it to change automatically whenever you are looking at a supervision record which falls outside the 60 day criteria. This could be used to change the color of a key field, or even the text of an object on screen.

    what's your preference?


      RE: Design Help Needed

      Attached is one of my sample apps where I have different ways to calculate dates.
      On the second button of the main menu (update employees and browse) runs an update operation and then browses the table.
      the update looks at the employees hired date and termination date.
      calculates a julian date for hire date,termination date and current date.
      If the termination date is blank it will calc on the current date.
      then all you have to do is to subtract the julian dates.
      Charlie Crimmel


        RE: Design Help Needed

        Tom and Charlie,

        Thanks for your help. I'll look at your attachment Charlie. I figured out a not very elegant solution late last night.

        I added a field called "Previous_supr" and made it a calculated field, = Previous("DTOC(supervision_date)")
        It seems to work.

        But let me look at Charlie's example.

        Thanks again,



          RE: Design Help Needed


          I just looked at your file - THANK YOU. I can learn from this. I couldn't enter my age, but I'll accept the age given as close enough.

          I'll have to study some on Julian dates. Future need I will have will be figuring a function or script to calculate the payperiod of the current year based on 26 pay periods per year. The week of the year. Seems to me I've seen these somewhere.

          Thanks much



            RE: Design Help Needed

            What type of busines are you writing this for.
            We are a Union Contractor in West Virginia.
            In my payroll system I have a job master file that list the job number and the payweek ending date.(sun=1,Mon=2,Wed=3)etc.
            We have jobs that end the payweek on 2 different days(Sun and Wed) depending on the craft.
            When I enter a entrydate for the time worked, it calculates
            a payweek ending date.
            In my time file I have a field called entrydate and another called payweek.
            Payweek is a calculated field with the following formula.
            You might be able to modify it to fit your needs.


              RE: Design Help Needed

              Thank you Charlie,

              I'm getting alittle ahead of myself, but I'll print and file your suggestions.

              I'm writing an application for Assisted Living Home Care Providers - a new licensing category here in Minnesota.