alternative of OData request from Dynamics 365 Portal page

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Posted on by magical Khachapuri

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So I have a page and I have two lookup inputs on it, let's call them A and B.

When I change A field, B is automatically filtered.

The thing is that I'm trying to do looks like this:

If after filtering B, based on the A value, it contains one value I want to set it.

Problem:

With OData I can't do that because the relationship between A and B is N to N, it means that I can't create a view with column B in entity A or vice versa.

Same would be if I made a request on CRM API.

So my question to you all is:

How can I fulfill the thing I am trying to do?

Is there any way to execute the FetchXml from the page(from custom js code, not from liquid page)?

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RE: alternative of OData request from Dynamics 365 Portal page

Hi magical,

The portal inherits the functionality from CRM in regards to filtered lookups.

Filtering lookups for 1:N and N:N relationships can be achieved without custom code by updating Related Records Filtering under Field Properties for the desired lookup.

How to Filter Lookups Without Custom Code in Dynamics 365 Customer Engagement (arbelatech.com)

Or you can refer following link:

--Using liquid page template and render lookups as a select dropdown and replacing values with javascript code.

Custom Lookup filtering on PowerApps Portals - Dancing with CRM