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  • autofill

    Can someone please explain to me the following:
    I have a dropdownbox with dynamic choices from a lookup-table. Not very many choices, so I prefer a dropdownbox above a new lookup-window.
    However I would like to autofill another field based on the choice from the dropdownbox. The lookuptable only has two columns, the value in the first column is shown in the box, the corresponding value in the second column should be put in another field.
    I can't figure out how to do this.....


  • #2
    Re: autofill

    Can't. You must use the Lookup property to auto-fill other fields. Dropdownboxes will not do this.
    Steve Wood
    There is no Cloud. It's just someone else's computer.
    Web - Mobile - Hosting - Products - Frameworks - Developer Resources
    AlphaToGo | IADN (100% Alpha Anywhere Websites)


    • #3
      Re: autofill


      I had struggled with this for quite a while some time ago. Bottom line is that there is no bulit in way to do what you want with a drop down. You either have to use a lookup like Steve suggested above, or to use a dropdown:

      - either you need java script to parse the values from the drop down in to the various fields on your form (which I have not figured out how to do :))

      - or you can use xbasic within one of the grid events to parse the dropdown data into the appropriate fields and save the data. In this way of doing it, you will not be able to see the second field fill - it is done behind the scenes and saved to the table.

      Gary S. Traub, Ph.D.


      • #4
        Re: autofill

        I don't need to see the value, getting it in the table is enough. But how do I do that in xbasic?



        • #5
          Re: autofill


          Use string functions, such as left(), right(), and extract_string(), to name a few.

          So you can show in the dropdown, a string such as field1+"........"+field2, and then when the user selects their choice from that drop down, you need to use the string functions to parse (separate) the string in to it's 2 parts.

          The extract_string function is very useful. Read the help - it will get you going.

          Hope this helps.

          Gary S. Traub, Ph.D.


          • #6
            Re: autofill

            If you have less than 16 items in your drop-down, I believe you could also use a "case" statement.

            I had a similar situation with a web form, and like you, I didn't have a need for the user to see what other field the drop-down was populating, at least not immediately, so I used the case statement and it worked fine.

            The calculation of filling the other field takes place behind the scenes using the case statement in a field rule, and it won't make any different whether you allow the user to view it or not.

            Just a thought.
            Sergeant Richard Hartnett
            Hyattsville City Police Department


            • #7
              Re: autofill

              If your user does not need to see those related values; does not need to edit their values, then there may be no reason to populate the table with those values at all. If you bring over the one field in your dropdown, you now can refer to the other values by the relationship between the two tables, based on that key field. If you must bring over the values, if you are doing this in a dialog, it is a simple step to populate your table with related values in the AfterValidate event. If in a grid, same thing in the grid events. Or, depending on your need, it may not be required to move the values over at all; just refer them as needed.
              Steve Wood
              Join the ALPHA DEVELOPERS NETWORK
              There is no Cloud. It's just someone else's computer.
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