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Hello guys,
I have three tables: JobTitle, Department and Employee
Between JobTitle and Department is a native Many to Many Relationship (Because Jobtitle cant be part of many departments and each depatment has many jobtitles)
The Problem now. The third Table Employee has a LookUp Column to Departments and One to Jobtitle.
I want to filter the jobtitles in the lookup based on the department Lookup. *E.G. When Department is IT I only want to show related job titles and not something like "Marketing Manager".
The problem is with a 1: relationship i can activate the *Filter by related rows and can select Departments. With a many to many relationship, that won't work.
I saw some pretty hard JavaScript to filter something but nothing fits my needs.
Did someone encountered the same Problems nd what to do now?
Hello @ivan_apps ,
thank you for your help. For your interest. The AddPreSearch FUnction does not work with a Linked Entity.
But you helped me finding another way. I mixed your view Idea with the setCustomView. For all who are intrested in Filter a many to many relationship on realted rows I wrote an article for that on my website.
Model Driven App – Filter Many to Many LookUp – WorkWithPower
I hope its oke if I not accept your answer as solution because it only gave me a hint/pushed me in the right direction for searching not a really solution
You are definitely going to have to do something custom as this isn't easily configurable. However you can probably achieve this by using a combination of fetchXML and pushing pre-filter criteria to the lookup to simplify the javascript. The javascript AddPreSearch function is what you need to add, and then create a custom filter criteria that joins against your N:N table and limits it to those that are the selected department.
Another way you can try is to create pre-set custom views using XrmToolBox fetchXmlBuilder and create a view for 'Job Titles in the Marketing Department', 'Job Titles in the Sales Department' etc. Then you simply change the lookup view in your form via the setDefaultView function for your lookup control: https://learn.microsoft.com/en-us/power-apps/developer/model-driven-apps/clientapi/reference/controls/setdefaultview
Note that view ids would be hard-coded and you would need to ensure any movement between environments doesn't re-assign view ids.
Hello
If what you have is an N:N relationship native to Dataverse, at the configuration level there is no way to show this relationship to users in the system, since in principle it is not a table visible in the system. To see it, you'd have to use XRMToolBox tools.
As a suggestion I would say, you can mix a little bit of Custom Page, and build the form and create filters there like dropdow and then show a gallery of elements. And then you embed that Custom Page within your model-driven application.
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