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Dynamically Populating Price with gform_post_paging?

  1. theslink2000
    Member

    Hi,

    I've been trying to build an order form based around dynamic selection of a patients medications. I've got all the code working behind the scenes so far, however I can't seem to get it to populate the price field.

    I'm using a multi-page form where the first page is dynamically populated with a patients medications from the database as checkboxes likes this:

    http://pastie.org/5028907

    Then on the second page it checks to see how many checkboxes have been ticked and then multiplies that by a preset prescription charge. The only way I've found of doing this is using the gform_post_paging hook as the basic gform_field_value hook outputs $_POST data multiple times for some reason. When I dump the information (seen in the order_prescription_cost function) it prints all the correct information as floats, however the gform_post_paging hook won't update the price field. Here's the code:

    http://pastie.org/5028929

    I can't understand it, I've found a thread on here (http://www.gravityhelp.com/forums/topic/dynamic-population-parameter-outputs-outside-the-form-but-not-in-form-fields#post-64752) that states the gform_post_paging hook can be used like gform_pre_render, but it's not responding at all.

    Can someone please help!

    Posted 10 years ago on Wednesday October 10, 2012 | Permalink
  2. theslink2000
    Member

    For anyone finding this the answer was both weird to me and simple. You can achieve this using the gform_pre_render hook, which I would never have thought to use as the price is built on the second form page based on activity from the first form page. However, here's the working code:

    http://pastie.org/5341905

    Posted 10 years ago on Wednesday November 7, 2012 | Permalink
  3. Thank you for sharing your code.

    Posted 10 years ago on Monday November 12, 2012 | Permalink
  4. theslink2000
    Member

    No worries bud, you guys helped me sort it in a priority support ticket and I hate it when I find forum posts with no answers.

    Just hope it helps someone.

    Posted 10 years ago on Monday November 12, 2012 | Permalink

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