Non-repeating random numbers

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Posted on by mayarnaldo

Hi,

Is it possible to generate a non-repeating random numbers?

I have this syntax:

ClearCollect( RandomNumbers, ForAll( [ 1, 2, 3, 4, 5,6,7,8,9,10 ], RoundDown(
txtRandStart.Text + Rand() * (txtRandEnd.Text + 1 - txtRandStart.Text), 0 )))

And when I generate the numbers, there's a repeating numbers.

Any help is appreciated! 🙂

Regards,

May

Categories:

Building Power Apps

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mdevaney 29,991 Moderator on at

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@mayarnaldo
You can do this by using the SEQUENCE function to generate the list of numbers you want to pick randomly from.

Use this code to get the 1st number in the random set.

First( Shuffle( Sequence( Value(txtRandEnd.Text)-Value(txtRandStart.Text)+1, Value(txtRandStart.Text) ) ) ).Value

Use this code to get the first 10 numbers in the random set

FirstN( Shuffle( Sequence( Value(txtRandEnd.Text)-Value(txtRandStart.Text)+1, Value(txtRandStart.Text) ), 10 ) )

If you want to learn more cool ways of using the SEQUENCE function check out this article
https://matthewdevaney.com/sequence-function-in-power-apps/

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mayarnaldo 92 on at

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Hi @mdevaney ,

Thank you for your reply and the link that you provided.

I added Shuffle to get random number 🙂

FirstN( Shuffle(Sequence( Value(txtRandEnd.Text)-Value(txtRandStart.Text)+1, Value(txtRandStart.Text) )), 10 )

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