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Trying to set label Text property from OnSelect handler of other control but not working - why?

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Posted on by NewDev

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Doing by first tests with PowerApps I'm trying to set a simple property on a label from the OnSelect event handler of another control but the property is not being updated. I placed the following code for the OnSelect handler and I'm using Notify to see that the handler is called and to see what value is the property currently set to

Label1.Text = "abc";Notify(Label1.Text)

What am I doing wrong?

How would you debug something like this?

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mdevaney 29,991 Moderator on at

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@NewDev

In PowerApps you cannot directly change the value inside a Text Input like this.

Label1.Text = "abc"

Instead, you must set a variable using your button.

Set(myVariableName, "abc"); Notify(Label1.Text);

Then put this code in the Default property of the TextInput

myVariable

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v-xida-msft Microsoft Employee on at

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Hi @NewDev ,

Do you want to change the display value of a Label within another control?

Based on the formula you provided, I think there is something wrong with it. Changing a attribute value of a control within another control directly is not supported in PowerApps currently.

As fixed solution, please consider save the value ("abc") into a temporary variable, and then bind this temporary variable to the Text property of the Label.

Please set the OnSelect property of the button to following:

Set(TempVar, "abc"); Notify(Label1.Text)

Set the Text property of the Label1 to following:

TempVar

Please take a try with above solution, then check if the issue is solved.

Best regards,

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