How to just validate form instead of submitting it

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Posted on by Rhk

133

So my application is about getting form details and sending a mail.

In Screen-1: I have a form with a submit button -

SubmitForm(MainForm)

Actually, I have to validate on screen-1 and then if validation is successful then I have to navigate to Screen-2 which shows the mail content.
But users can also cancel and navigate back to Screen-1 and make changes to the form. and they can click on Submit button.

But when I clicked to submit a second time I got an error message like this -

the requested operation is invalid. Server response: list_name failed: the list item could not be added or updated because duplicate values were found in the following fields in the list: [request ID], client request ID: XXXXX, server request ID: XXXXX

I was thinking to submit the form when they clicked send mail on Screen-2.

What would be the issue?

@WarrenBelz @RezaDorrani @Shanescows @Drrickryp

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Building Power Apps

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AJ_vizMan on at

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Hi @Rhk -
On 'Display Mode' of submit button use - If(FormName.Valid=true ,Edit,Disabled)
And Submit form using 'On Select' property of button ( hope you are already doing same).

And now use 'On Success' property of form to navigate to new screen
Navigate('New Screen Name');

Hope it helps
Rhk 133 on at

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The reason why I'm using SubmitForm(FormName) in submit button is that it throws an Error message under every datacardvalue when it is empty.
Yes, Form.Valid works for custom notification
AJ_vizMan on at

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@Rhk - If you got the solution than mark above post as solution for benefit of others facing same issue.
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DavidZoon 738 Most Valuable Professional on at

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Hello,
Here is an idea, wich can be more user friendly :

In your screen one, add a button to navigate to your screen 2

In your screen 2, add the submit button :

SubmitForm(MainForm)

(and a button to go back to screen1)

in the MainFrom.Onfailure :

Navigate(Screen1)

If user have missed requiered fields, he will be back to the form screen with highlighted errors

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily.