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Calculated field

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    Calculated field

    I want to use a calculated field on a set so that a total of child records are shown in the set header. When i did this the calculated field displays works but when I change to a new record it maintains the total from the previous record and adds the amount of the new child record to the total. Please can anyone tell me what I am doing wrong.

    How I did this in my old database was define a field on the parent file to total records on the child file, I can't find a way of doing this in Alpha.

    Hope someone can help.


    RE: Calculated field

    I have found out how to do this by pressing the advanced button in the calculated dialogue box. Now have a new problem I want another calculated field to calculate by dividing one calculated field by the other because when I define this and put the expression in leaving the funcion at "value" I cannot get into the advanced to enter the group and subgroup.



      RE: Calculated field

      Did you create the calc field by using "New calc field" from the drop-down? If so, the calc expression is probably:


      I and others have found that this expression is NOT always reliable. On the other hand, DBSUM seems very reliable.

      Try this:


      Your child would be the TABLE, finding records based on the child's INDEX_NAME. VALUE TO MATCH is usually the field that serves as the link between the child and parent. FIELD is the field name in the child from which you get the total amount.


        RE: Calculated field


        Please be more descriptive. Your request is too vague. Is this a report, form, etc. More details about the calculated field.

        TYVM :) kenn

        Knowing what you can achieve will not become reality until you imagine and explore.


          RE: Calculated field

          I want to define another calculated field to calculate by dividing one calculated field by the other because when I define this and put the expression in leaving the funcion at "value" I cannot get into the advanced to enter the group and subgroup.

          I now have two calculated fields one called "Number of Shares" the other called "Total Value" I want to divide Total Value by Number of shares to give me unit price.

          This is a set with two one to many relationships linged by sharename and the calculated fields are on a form.

          The way I did it with my previous database was to have these three fields in both the parent and child files and specify in the parent fields to total the child records which would then give me a stored result in the parent file.

          Hope this is more clear.