one dropdown to filter options in another dropdown

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Posted on by EP-29071004-0

Hi,

i have a gallery within an app with many filters. how can i make the filters impact each other?

for example,

1. user selected specific employee name:

1.1 only the courses he registered to, will appear in the courses filter,

1.2 only the session types of the courses he is registered to, will appear in the session type filter,

etc.

if additional information required i will gladly provide it.

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Community Power Pla... on at

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Just filter the source of the drop downs using the selected value in the preceding dropdown:

UserDropdown Items = [Student Table]
CourseDropdown Items = Filter([EnrolledCourses], StudentID = UserDropdown.Selected.ID)

So on and so forth down the line. Part of this is contingent on how your data is structured, though.

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v-qiaqi@microsoft.com on at

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Hi@Perez,
Based on the issue that you mentioned, do you want to create cascading Dropdowns?
Could you please share a bit more about the scenario:
Provide a screenshot about your data source or an example.
How you configure your app?
I agree with @Anonymous that all this depends on how you structure the data source.
In my scenario, I create an SP list below.
If you want to create the cascading Dropdown, you should try the following workaround.
Set the first Dropdown Items property as below:

Choices(TestCourse.Tester)

Set the second course-related Dropdown Items property as below:

Filter( Choices(TestCourse.CourseName), Value in Concat( Filter( TestCourse, Tester.Value = Dropdown7.Selected.Value ), CourseName.Value & ";" ) )

Note: The Dropdown7 represents the Tester-related Dropdown.
Set the third month-related Dropdown Items property as below:

Filter( Choices(TestCourse.Month), Value in Concat( Filter( TestCourse, CourseName.Value = Dropdown8.Selected.Value ), Month.Value & ";" ) )

Note: The Dropdown8 represents the CourseName-related Dropdown.
Set the fourth year-related Dropdown Items property as below:

Filter( Choices(TestCourse.Year), Value in Concat( Filter( TestCourse, Month.Value = Dropdown9.Selected.Value ), Year.Value & ";" ) )

Note: The Dropdown9 represents the Month-related Dropdown.
And so on as the rest of your Dropdowns. The Dropdowns will be cascading one by one.
Hope this could help you.
Best Regards,
Qi

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EP-29071004-0 on at

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Hi @v-qiaqi-msft , @Anonymous
I tried to implement your suggestions below but didn’t succeeded. this is a sample of my dataset:

In the items property of each dropdown I have a collection which I created on the app start, for example for the testers I have EmplName collection which is running on 4 different columns on the dataset to check the correct context of employees to display.
For example, if I’m a tester I will see my items only (1 record display in the tester dropdown). If I’m group leader I will be able to see all the testers under my responsibility in the testers dropdown, etc.

Below for example part of the code:
If(
CountRows(Filter('AQE-Development and Traning Plan List',EmployeeName.Claims=varUser.Claims))>0, ClearCollect(EmplName,Distinct(Filter('AQE-Development and Traning Plan List', EmployeeName.Claims=varUser.Claims), EmployeeName.DisplayName)),
CountRows(Filter('AQE-Development and Traning Plan List',GL.Claims=varUser.Claims))>0,
ClearCollect(EmplName,{Result:"Choose Employee"});
Collect(EmplName,Sort(Distinct(ShowColumns(Filter('AQE-Development and Traning Plan List',GL.Claims=varUser.Claims),"EmployerName"),EmployerName.DisplayName),Result,Ascending)),),Result,Ascending)),

varUser is a varaible for the current user.
other collection are more simple and just collecting the data from the table adding the Choose ... as the first item of the dropdown.

When trying to implement your suggestions it didn’t worked please see details in the below screenshot:
the value function behaivor is diffrent than the one in your screenshot, it is a function.
im new to powerapps, so probably im missing somthing, will appriciate your help on this.
If additional details required, I will be happy to provide.

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v-qiaqi@microsoft.com on at

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Hi@Perez,
Could you please try the formula I provided again?
I use the Value that represents the value in the filter result rather than the Value() function. As we write formula within the formula bar, it will provide some predicted selections, you should not select the unnecessary selections. For example, when you write Value within it, it will display the predicted Value() function, if you select it, it will make the Value become the Value() function which is completely not the correct syntax.
Please try to write the Value in Concat() rather than the Value() in Concat().
Hope this could help you.
Best Regards,
Qi

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