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Anonymous
Not applicable

How to set DefaultSelectedItems for Combo Box

Hello team,

I noticed we have many similar topics under this Forums, but I still haven't found a solution for my problem, could you pls. kindly advise? thank you. 
I have 3 Combo Box in detail page, this detail page will show the detail RequestID, SlicerBranchGrp, SlicerBranchUnit and SlicerBranch when I selected 1 item from Main Gallery page. Currently only the value for RequestID showed the correct value, but the 3 combo box didn't show the selected value. My datasource is a sharepoint list called TBSSchedule.
Btw, I want to let the 3 combo box to show default value to the selected value, but set the Item property to the value from variable (the value in variable is from a power automate flow return value), so currently the Item property works well, I could see all the values when I click the combo box, but the DefaultSelectedItems for these 3 combo box didn't work. I want to set the DefaultSelectedItems to the selected value, how to do that?

TracyQian_0-1667958306890.png

For example, I tried this one, it didn't work
Filter(Choices(TBSSchedule.SlicerBranchGrp), Value = ThisItem.SlicerBranchGrp)

TracyQian_1-1667958676303.png

 

20 REPLIES 20
Anonymous
Not applicable

@WarrenBelz 
Thanks a lot for your patience, it works for BranchGrp now, could you pls. advise the other 2 combo box, the same method didn't work for the other 2.

TracyQian_0-1667975210064.png

My variable var_Branch contains 3 columns, Branch, BranchGroup and BranchUnit.

TracyQian_1-1667975250634.png

 

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @Anonymous ,

Using the logic I posted, can you please attempt the code for the other two (that way you will be able to reproduce it in the future). I am happy to help you correct it if necessary. Remember, all you need is the output of the combo box and the field it is writing to.

Anonymous
Not applicable

@WarrenBelz Same logic didn't work for the other 2 combo box, could you pls. kindly help again? Thank you.
No error but without selected values.
{Branch: ThisItem.SlicerBranch}
{SlicerBranchUnit: ThisItem.SlicerBranchUnit}

WarrenBelz
Most Valuable Professional
Most Valuable Professional

@Anonymous ,

So what are the Items of the Combo Box and what is the field name and type it is writing to ?

Anonymous
Not applicable

The other 2 combo box are similar like the ComboxBranGrp, they are single line text type in sharepoint list.

The item of combo box ComboxBranch is set to all the values of Branch column from the variable 'var_Branch':
Sort(Distinct(Filter(var_Branch, BranchGroup = ComboxBranGrp.Selected.BranchGroup),Branch),Result)


The item of combo box ComboxBranUnit is set to all the values of BranchUnit column from the variable 'var_Branch':
Sort(Distinct(Filter(var_Branch, Branch = ComboxBranch.Selected.Result),BranchUnit),Result)

And these 3 combo box has dependencies, SlicerBranch depends on SlicerBranchGrp, SliceBranchUnit depends on SlicerBranch.

I tried to set the DefaultSelectedItems for the other 2 combo box to [Parent.Default], it works, the default value show the selected values now, but not sure if it is correct.

If this is correct, then the other problem I got is how to submit the update data to sharepoint list, I tried to use the one you suggested: ThisItem.SlicerBranchGrp , it didn't work, nothing was changed after submit.

WarrenBelz
Most Valuable Professional
Most Valuable Professional

@Anonymous ,

Applying that logic, what is the output of the second combo box - it is Result, so it will be (assuming the displayed field is SlicerBranch)

{Result: ThisItem.SlicerBranch}

Now do you know the third one ? You honestly need to understand this concept or you will not be able to replicate it in the future.

 

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

Visit my blog Practical Power Apps

Anonymous
Not applicable

@WarrenBelz 
Many thanks for your time and patience, and thanks for teaching me how to think about such question not just gave me the answer, thanks again!

The DefaultSelectedItems worked for the 3 combo box.
Sorry, do you mind to give me suggestion about how to submit the update value of these combo box to sharepoint list? Besides using ThisItem.SlicerBranchGrp for the update property for the SlicerBranchGrp DataCard, anything else I need to setup? Thank you. 

WarrenBelz
Most Valuable Professional
Most Valuable Professional

Hi @Anonymous ,

No - that will only simply write the existing value back. The Update of the data card needs to be the output of the Combo Box

ComboBoxName.Selected.xxxx

where xxxx is the valid output - the first is BranchGrp and the second is Result. (the same value as you have in the first part of DefaultSelectedItems.

 

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

Visit my blog Practical Power Apps

 

 

Anonymous
Not applicable

@WarrenBelz It works now, thanks a lot! when I submitting with multiple selected values, it could only submit 1 value to sharepoint, so I tried to add a text label under the datacard, and set the update property of datacard to that text label's.text, that works, not sure if you have any better solution.

WarrenBelz
Most Valuable Professional
Most Valuable Professional

@Anonymous ,

This is the first time you have mentioned multiple values and that changes every piece of code we have discussed and also the type of field required to store the data. If your posted question is solved, please accept as solution, then detail your new requirements on a new thread. You can tag me if you want and I will respond if I see it.

 

Please click Accept as solution if my post helped you solve your issue. This will help others find it more readily. It also closes the item. If the content was useful in other ways, please consider giving it Thumbs Up.

Visit my blog Practical Power Apps

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