Forms and default values

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Posted on by asafweis

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Hi,

I am trying to create a form that is populated with default values that are referenced in a named formula or formula within the Default parameter. I'd like the user to be able to overwrite the default values and for the form to display the overwritten values if they do not equal the default value. I'd also like the user to be able to reset the values to their defaults some way.

The issue is that whenever I change the Default parameter the form always displays that value rather than the overwritten value even though the overwritten value is the one that is updated in the table. I've tried both modern and classic forms but get the same problem. I've tried changing the defaults in the card and in the datavalue input.

Any help would be really appreciated.

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Building Power Apps

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cha_cha 4,932 Moderator on at

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Hello asafweis,

To achieve the behavior you described, I recommend using a variable (either global or local) to manage the default and user-overwritten values. Here's how you can do it:

1. Initialize the Variable:

When the form is opened, initialize the variable with the default values. For example:
Set(varDefaults, {Field1: "Default1", Field2: "Default2"});

2. Update Property of the Data Card:

Use the Update property to build a condition that determines whether to save the default or user-overwritten value. For example:
If(DataCardValue1.Text = varDefaults.Field1, DefaultValue, DataCardValue1.Text)

3. Handle Named Variables:

Since named variables automatically update, ensure they do not directly bind to the Default property of the field. Instead, use a variable or logic like this:

Default: If(IsBlank(ThisItem.Field1), varDefaults.Field1, ThisItem.Field1)

4. Reset Logic:

To reset the values to their defaults, you can reinitialize the variable and reset the form using:
Set(varDefaults, {Field1: "Default1", Field2: "Default2"}); ResetForm(EditForm1);

This approach allows you to dynamically manage the default values, preserve user inputs, and reset to defaults when needed.

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asafweis 179 on at

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Thank you. I’ll give this a go.
Is it possible to reset just one card rather than all of them together?

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cha_cha 4,932 Moderator on at

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Data cards don't have reset property. You can reset the control itself like the Input Textbox.

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