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Grid Details drop down box

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  • Grid Details drop down box

    I have a grid with a mapped table comprising two tables.

    In a grid based on the mapped table I have a dropdown box which shows the CountryID (in Details)
    When I select from the drop down arrow the fields all show as double.
    Field in the database is 3.
    In the drop down box this shows as 33

    I must have done something wrong but cant see what.
    Any ideas please?
    Many thanks

  • #2
    Re: Grid Details drop down box

    I thought perhaps I could simplify getting the correct country in the supplier table.

    The field I have in the Supplier table country is now a character field

    The table Country has a field CountryName char 30

    In a grid Detail for Supplier I have Country as a dropdown box

    This gets populated in Choices
    Datasource DFB-Table
    Table name Country
    Display value field/expression Country_Name
    Stored Value Country_name shows as "Albania" (first in list)

    When I select the dropdown I can see all of the countries and a selection can be made.
    However when I save and look at the dropdown Country shows 0 (zero)
    Can anyone see where I am going wrong please?


    • #3
      Re: Grid Details drop down box

      Usually the stored value should be the keyfield of the table you are creating a dropdown for. If this does not help, then I suggest you:

      Copy the component (with the dropdown in it) and preferably also the two tables out of you project folder to a separate folder, (zip them) and send them as an attachment to this forum.

      This way you probably get more feedback.

      regards, Ron


      • #4
        Re: Grid Details drop down box

        Thanks Ron
        I think I have made a little progress as you may see by the attached images.
        In Choices when I selected CountryID the value which showed was the Country_id number "2"
        I typed Country_Id into the field and as you may see in choices result the right name is appearing in the detail view Country_ID

        I wonder if its possible to get the name showing in the Grid above the detail view?


        • #5
          Re: Grid Details drop down box

          If you defined a mapped table and you selected the country name (from the country table) as a field there... Then you can select that field to display in the grid above the detail view.

          Of course the linking field for the mapped table would be the country id in both tables.

          What I sometimes also do is define a dropdown (dynamic to the country table) displaying the country name... Of course this will eat some performance because it has to perform the dropdown lookup for each row in the grid, but this method saves you from defining a VIEW / Mapped table if it is just for one field..

          Dropdowns are intended for input fields of course, but it also works for display only fields, like the grid part of a grid with detailview.

          See PIC for example.
          Last edited by rleunis; 06-20-2009, 10:51 AM.


          • #6
            Re: Grid Details drop down box

            Thanks Ron
            I will have another try with a mapped table.
            As with most things once you manage to get an item into the head, next time you can build on that, but at this stage the help given is invaluable.
            Thanks again