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Power Platform Community / Forums / Power Apps / How do I check if a re...
Power Apps
Answered

How do I check if a record exists before submitting a form?

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Posted on by Future_Vision 634

I need to be able to check if a value exists in a record before the form is submitted.

 

For example.

 

  1. I have a field called campaign ID. All campaign ID's are unique and there should be only one record per campaign ID
  2. When the user submits I need to check to see if that campaign ID already exists. If it does exist then the form does not submit and a notification is given that it is not a unique campaign ID (control for capitalization would be needed. Probably convert the value in the field to all lowercase and then check against the data source which should also be converted to all lowercase on the fly for comparison)
  3. If the value is unique then the form submits assuming everything else on the form is valid.
Categories:
Building Power Apps
I have the same question (0)
  • Verified answer
    Drrickryp Profile Picture
    Drrickryp Super User 2024 Season 1 on at

    In the OnSelect property of the Submit button for the form, If(IsBlank(Lookup(SPlist, CampaignID=TextInputx.Text)),SubmitForm(Form1),Notify("...",Error))

  • Future_Vision Profile Picture
    Future_Vision 634 on at

    Hmm. Is there an OnSubmit property? I only see the OnSelect property

  • Drrickryp Profile Picture
    Drrickryp Super User 2024 Season 1 on at

    Yep, the onSelect property should be the formula I suggested. My mistake. Put your message In place of the ... In double quotes.

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