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rsongyl
New Member

Circular reference Between Properties

Hi all 

 

I'm very new to poweapps and trying to find my way around by programming very basic app. My first task is to develop a leave estimator to assist staff to determine if they have enough leave balance for a proposed leave date. There is no data source link to this app and everything is calculated based on user's input i.e. current leave balance, proposed leave date etc.. In the future we would expand this out to pull out leave balance data from a data source. 

 

Anyhoo I'm trying to get the following command to return the DateDiff in Text

 

Label13.Text = Text(DateDiff(DatePicker1.SelectedDate,DatePicker2.SelectedDate))

 

However the system throws out the "This rule creates a curcular reference between properties which is not allowed. A property cannnot reference itself or other properties affected by its value. " 

 

How do i fix this? Or is there a worksround it. 

 

Thanks in advance

RS.

1 ACCEPTED SOLUTION

Accepted Solutions
yashag2255
Dual Super User II
Dual Super User II

Hi @rsongyl 

 

No just use the expression:
Text(DateDiff(DatePicker1.SelectedDate,DatePicker2.SelectedDate))MicrosoftTeams-image (199).png

 

Hope this Helps!

If this reply has answered your question or solved your issue, please mark this question as answered. Answered questions helps users in the future who may have the same issue or question quickly find a resolution via search. If you liked my response, please consider giving it a thumbs up. THANKS!
 

View solution in original post

10 REPLIES 10
PavanKumar
Responsive Resident
Responsive Resident

Hi Rsongyl,

 

Once try to use variables instead and see if its still giving issue.

 

Instead of Label13.Text = Text(DateDiff(DatePicker1.SelectedDate,DatePicker2.SelectedDate))

Use

Set(pick1,DatePicker1.SelectedDate);

Set(pick2,DatePicker2.SelectedDate);

Set(diff,DateDiff(pick1,pick2));

Label13.Text = Text(diff);

 

Please mark it as verified if it answers your question.

Regards,

Pavan Kumar Garlapati

yashag2255
Dual Super User II
Dual Super User II

Hi @rsongyl 

 

I carried out a test on my side and this issue can be resolved by using the formula:
 
Expression: 
Text(DateDiff(DatePicker1.SelectedDate,DatePicker2.SelectedDate))
 
This can be placed on the "Text" property of Label13.
 
Hope this helps!
 
If this reply has answered your question or solved your issue, please mark this question as answered. Answered questions helps users in the future who may have the same issue or question quickly find a resolution via search. If you liked my response, please consider giving it a thumbs up. THANKS!

Hi @PavanKumar  

 

Where do you set the global variable for the following?

 

Set(pick1,DatePicker1.SelectedDate);

Set(pick2,DatePicker2.SelectedDate);

Set(diff,DateDiff(pick1,pick2));

 

Sorry, new to powerapps. 

 

Regards

RS

@yashag2255 

 

Do you mean "Label13.Text(DateDiff(DatePicker1.SelectedDate,DatePicker2.SelectedDate))"

 

Don't seem to want to work for me 😞 


Regards

RS

PavanKumar
Responsive Resident
Responsive Resident

Hi,

 

On change of selected date set the variables and calculate the difference whenever you want to calculate (either onchange of field or click of button).

 

Mark it as verified if it answers your question.

Regards,

Pavan Kumar Garlapati

yashag2255
Dual Super User II
Dual Super User II

Hi @rsongyl 

 

No just use the expression:
Text(DateDiff(DatePicker1.SelectedDate,DatePicker2.SelectedDate))MicrosoftTeams-image (199).png

 

Hope this Helps!

If this reply has answered your question or solved your issue, please mark this question as answered. Answered questions helps users in the future who may have the same issue or question quickly find a resolution via search. If you liked my response, please consider giving it a thumbs up. THANKS!
 

View solution in original post

RezaDorrani
Dual Super User II
Dual Super User II

Hi @rsongyl 

 

On the Label13 control on your form

Go to properties and search for the Text property

Then use Text(DateDiff(DatePicker1.SelectedDate,DatePicker2.SelectedDate)) for the text property

Capture.PNG

 

Regards,

Reza Dorrani

 

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly

Thanks @PavanKumar  i might be able to use this for something else. Thumbs up!

hyperbob0811
Helper I
Helper I

I had something similar with a multiline text field which is in effect duplicated in another exact copy of the main list, In trying to keep both items synced when the fields which I concatenated are updated, I ended up having to use a concat field for a Patch operation for one list, and a variable added into another concatenate formula for the other list.  Using the DataCardValue text value always threw up a circular reference error, using the variable to allow me to join the previous values with the new ones to keep the change history worked.

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