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gman0104
Frequent Visitor

Filter Gallery based on one to many relationship

Hi I have a canvas app connected to dataverse where the user table has a 1:N relationship with a table user-skills. I have a gallery that lists the users and a combo box with a list of skills that i will filter the gallery by. How do I filter the user gallery based on the user-skill relating table.

 

i.e

List users who have a user-skill of computing.

 

 

Thanks, Esox

2 ACCEPTED SOLUTIONS

Accepted Solutions
v-xiaochen-msft
Community Support
Community Support

Hi @gman0104 ,

 

According to your needs, I made a demo for you.

1\ This is my 'Table_Users'.

v-xiaochen-msft_0-1622600008021.png

 

2\ This is my 'Table_Skill'.  'TestLoookUp' is a lookup column.

v-xiaochen-msft_1-1622600062036.png

 

3\ Their relationship:

v-xiaochen-msft_2-1622600143966.png

 

4\ Add a combo box control 'ComboBox1' and set its Items property to:

Distinct(Table_Skill,Name)

Set its DisplayFields property to:

["Result"]

 

5\ Add a gallery control and set its Items property to:

Filter(
    ForAll(
        Table_Users As A,
        If(
            CountRows(
                Filter(
                    ForAll(
                        ComboBox1.SelectedItems As B,
                        LookUp(
                            Filter(
                                Table_Skill,
                                Name = B.Result
                            ),
                            TestLoolUp.Name = A.Name
                        )
                    ),
                    !IsBlank(Name)
                )
            ) = CountRows(ComboBox1.SelectedItems),
            A,
            Blank()
        )
    ),
    !IsBlank(Name)
)

 

6\ The result is as follows:

v-xiaochen-msft_3-1622600347878.png

v-xiaochen-msft_4-1622600360961.png

v-xiaochen-msft_5-1622600373579.png

 

Best Regards,
Wearsky
If my post helps, then please consider Accept it as the solution to help others. Thanks.

 

 

 

View solution in original post

v-xiaochen-msft
Community Support
Community Support

Hi @gman0104 ,

 

I did a test for you:

1\ This is my 'Table_User2'.

v-xiaochen-msft_0-1622626972415.png

 

2\ This is my 'Tab;e_Skill2S'

v-xiaochen-msft_1-1622627006608.png

 

3\ This is my 'Table_UserAndSkill'

v-xiaochen-msft_2-1622627042598.png

 

4\ Their relationship

v-xiaochen-msft_3-1622627069097.png

v-xiaochen-msft_4-1622627089211.png

 

5\ Add a combo box control 'ComboBox1' and set its Items property to:

'Tab;e_Skill2S'.Name

 

6\ Add a gallery control and set its Items property to:

Filter(ForAll(Table_User2 As A,If(CountRows(Filter(ForAll(ComboBox1.SelectedItems As B,LookUp(Filter(Table_UserAndSkill,LookupTpUser.Name=A.Name),LookupToSkill.Name=B.Name)),!IsBlank(Name)))=CountRows(ComboBox1.SelectedItems),A,Blank())),!IsBlank(Name))

 

7\ The result is as follows:

v-xiaochen-msft_5-1622627166599.png

 

v-xiaochen-msft_6-1622627176150.png

 

 

Best Regards,
Wearsky
If my post helps, then please consider Accept it as the solution to help others. Thanks.

 

 

 

View solution in original post

16 REPLIES 16
dpoggemann
Most Valuable Professional
Most Valuable Professional

Hi @gman0104,

 

Do you have the following type of relationship:

 

User --1:N --> User-Skill <-- N:1-- Skill

 

If this is the case you will be able to show the gallery for all the Users attached to the Skill in a very similar fashion of User to Skills.

 

Do you have a Skills table?  If you do not and you are using an option set for the skill then the above will not work because there is no "relationship" from a Skill table to the user-skill table.

 

Can you explain your current setup?  If you are using an Option Set (Choice) then I would suggest the Skill table as it will give you better flexibility in the future as well.

 

Hope this helps.  Please accept if this answers your question or Like if helps in some way.

 

Thanks much,


Drew

Hope this helps. Please accept if answers your question or Like if helps in any way.
Thanks,
Drew
v-xiaochen-msft
Community Support
Community Support

Hi @gman0104 ,

 

According to your needs, I made a demo for you.

1\ This is my 'Table_Users'.

v-xiaochen-msft_0-1622600008021.png

 

2\ This is my 'Table_Skill'.  'TestLoookUp' is a lookup column.

v-xiaochen-msft_1-1622600062036.png

 

3\ Their relationship:

v-xiaochen-msft_2-1622600143966.png

 

4\ Add a combo box control 'ComboBox1' and set its Items property to:

Distinct(Table_Skill,Name)

Set its DisplayFields property to:

["Result"]

 

5\ Add a gallery control and set its Items property to:

Filter(
    ForAll(
        Table_Users As A,
        If(
            CountRows(
                Filter(
                    ForAll(
                        ComboBox1.SelectedItems As B,
                        LookUp(
                            Filter(
                                Table_Skill,
                                Name = B.Result
                            ),
                            TestLoolUp.Name = A.Name
                        )
                    ),
                    !IsBlank(Name)
                )
            ) = CountRows(ComboBox1.SelectedItems),
            A,
            Blank()
        )
    ),
    !IsBlank(Name)
)

 

6\ The result is as follows:

v-xiaochen-msft_3-1622600347878.png

v-xiaochen-msft_4-1622600360961.png

v-xiaochen-msft_5-1622600373579.png

 

Best Regards,
Wearsky
If my post helps, then please consider Accept it as the solution to help others. Thanks.

 

 

 

Yes i have the following relationship with the below three tables  my combo that i want to filter my gallery by  items are from the skill table

 

User --1:N --> User-Skill <-- N:1-- Skill

Hi My schema is as  follows so slightly different

 

User --1:N --> User-Skill <-- N:1-- Skill

v-xiaochen-msft
Community Support
Community Support

Hi @gman0104 ,

 

I did a test for you:

1\ This is my 'Table_User2'.

v-xiaochen-msft_0-1622626972415.png

 

2\ This is my 'Tab;e_Skill2S'

v-xiaochen-msft_1-1622627006608.png

 

3\ This is my 'Table_UserAndSkill'

v-xiaochen-msft_2-1622627042598.png

 

4\ Their relationship

v-xiaochen-msft_3-1622627069097.png

v-xiaochen-msft_4-1622627089211.png

 

5\ Add a combo box control 'ComboBox1' and set its Items property to:

'Tab;e_Skill2S'.Name

 

6\ Add a gallery control and set its Items property to:

Filter(ForAll(Table_User2 As A,If(CountRows(Filter(ForAll(ComboBox1.SelectedItems As B,LookUp(Filter(Table_UserAndSkill,LookupTpUser.Name=A.Name),LookupToSkill.Name=B.Name)),!IsBlank(Name)))=CountRows(ComboBox1.SelectedItems),A,Blank())),!IsBlank(Name))

 

7\ The result is as follows:

v-xiaochen-msft_5-1622627166599.png

 

v-xiaochen-msft_6-1622627176150.png

 

 

Best Regards,
Wearsky
If my post helps, then please consider Accept it as the solution to help others. Thanks.

 

 

 

dpoggemann
Most Valuable Professional
Most Valuable Professional

Hi @gman0104,

 

@v-xiaochen-msft provided a great example to start with even though the schema is a bit different.  

 

I did a quick sample combobox and gallery assuming only a single value selected from the combo box with your same schema structure.

Screen Shot 2021-06-02 at 5.26.22 AM.png

 

If I change the combobox it shows the correct users from the User Skills table with the basic filter for the items 

filter('User Skills',Skill.Name = ComboBox1.Selected.Name)

 

Examples...

Screen Shot 2021-06-02 at 5.30.37 AM.pngScreen Shot 2021-06-02 at 5.30.51 AM.png

The name being displayed in the gallery is ThisItem.User.'Full Name'

You can get more complex and allow multiple selected and use the ForAll logic from @v-xiaochen-msft but you would have to change a bit to support the table structure you have.

 

Hope this helps.  Please accept if answers your question or Like if helps in any way.

Hope this helps. Please accept if answers your question or Like if helps in any way.
Thanks,
Drew
CNT
Super User
Super User

@gman0104 @v-xiaochen-msft and @dpoggemann solutions are great for your present schema.

But if possible, I would suggest to have just 2 Tables, myUsers & mySkills and have a Many-to-Many relationship between them. Dataverse handles all the complexities for us and gives us a simple way to refer to related records using the dot (.) notaion.

To filter the Gallery based on Skills from a Dropdown, you'll say,

Filter(myUsers , dropdown.SelectedItems in 'User Skills')

dpoggemann
Most Valuable Professional
Most Valuable Professional

Hi @CNT,

 

I am actually a proponent of using the schema with an association table in-between as it provides more flexibility in adding metadata around this relationship instead of just the behind the scenes relationship table created in the Dataverse.  Just my 2 cents but your approach would be great as well if it would always stay just the simple N:N relationship.

 

Thanks,


Drew 

Hope this helps. Please accept if answers your question or Like if helps in any way.
Thanks,
Drew
gman0104
Frequent Visitor

Thanks CNT but the schema is intersecting im afraid so N:N out of the question

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