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Can't populate linked fields in target grid

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  • Can't populate linked fields in target grid

    Hello everyone.

    I have two tables, subjects and slides that are linked by a single field. I've made a few web components to display and edit the rows in these tables. I have a component to add a new row to the slide table, and I'd like to make a link from the subject edit page to the new slide page and have the new slide page have the linking field (call it subject_number) already populated. Ideally the user wouldn't be able to modify the subject_number on the new slide page, but the other fields would be modifiable. The problem is that I can't seem to get alpha 5's link expression to work.

    The subject_edit grid component has the subjects table as its source. I've added a calculated field just for the purposes of having an "add slide" link. That field has a fixed value of "Add Slide", and the field type is set to Link with the following URL:

    slide_new.a5w?slide_new_link_1C=Subject_Number={Subject_Number}

    When I publish all of this, view a subject through the subject_edit page and click "Add Slide", the slide_new page loads but everything is blank; the Subject_Number isn't filled in. The slide_new page works if I manually type in the Subject_Number. Is there something wrong with my tables, components or pages? The link syntax seems correct.

    Thanks for your help

    -Chris

  • #2
    Re: Can't populate linked fields in target grid

    Nevermind, problem solved.

    Comment


    • #3
      Re: Can't populate linked fields in target grid

      Chris,

      And what is the answer to the problem posed?? This messageboard is a bit different than most in that it is used very intensively to find answers to problems--and as such my reason for asking for the solution---to help others (and myself!). Thanks.
      Mike
      __________________________________________
      It is only when we forget all our learning that we begin to know.
      It's not what you look at that matters, it's what you see.
      Henry David Thoreau
      __________________________________________



      Comment


      • #4
        Re: Can't populate linked fields in target grid

        Sorry, it's just that I'm not sure what was wrong. I have three grid components, slide_list, subject_edit, and slide_new that are linked to one another via filter and link expressions. The slide_list component had a link with a filter expression using the subject_id variable which linked to subject_edit. The subject_edit component had a link with a link expression using the subject_id again, this time going to the slide_new component.

        The filter expression from slide_list to subject_edit wasn't correct somehow, and all subject_ids on the latter component were being loaded. This seemed to break the link expression from subject_edit to slide_new, though I'm not sure why. Once I corrected the filter expression and subject_edit loaded only one subject_id, the link expression to subject_new worked and the subject_id filed was populated on subject_new.

        One outstanding issue is that the slide_new component doesn't display the subject_id, which I would like it to. When I submit on slide_new, the row is entered into the target table with the correct subject_id, but it's a bit confusing for the user to not see that filed value while entering the other data.

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