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Dynamics 365 Community / Forums / Customer experience | Sales, Customer Insights,... / N:N relationship data/...
Customer experience | Sales, Customer Insights,...
Answered

N:N relationship data/field/attribute mapping when creating record from subgrid

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Posted on by danosagi_002 35

I have an N:N relationship between entity Case & entity Contact and trying to do mapping between them for a required lookup field "Category", so that when I'm creating NEW Case record from the Case subgrid in Contact form, the lookup field "Category" is pre-filled/pre-populated with Case's Category value.  Since it can't be done with data mapping (only applicable to 1:N relationship), I'm looking for a way to do that with custom code, but fail to construct it since I can't think of a way to pull the parent record creating the NEW record. 

Anyone knows how to pull the parent record when creating new record from N:N subgrid?  Or any other way to accomplish the N:N attribute mapping purpose?

Thanks a lot in advance!

  • meelamri Profile Picture
    meelamri 13,212 User Group Leader on at
    RE: N:N relationship data/field/attribute mapping when creating record from subgrid

    I'm glad you figured it out with a little extra analysis.

  • Suggested answer
    danosagi_002 Profile Picture
    danosagi_002 35 on at
    RE: N:N relationship data/field/attribute mapping when creating record from subgrid

    Thanks for the timely reply.  In this blog it was describing the scenario having entity A & B as N:1 relationship, but having a 3rd entity/attribute (Bank) N:N linked to both entities A & B, then it's mapping from A to B (N:1) with N:N related data.  

    However my scenario is that having entity A & B as N:N relationship, and having 1:N linked to both entities A & B, then it's mapping from A to B (N:N) with just a lookup field (N:1) data.

    But this blog inspired me to look into how Lead, Account, Contact, Opportunity works and I found Lead having both N:1 & 1:N & N:N relationship with Account & Contact.  Therefore, I solved it by created another entity B/"Case" lookup field in entity A/"Contact" (which is a N:1 relationship from Contact to Case), simulating the "Originating Lead" field & relationship in the OOB Contact & Account.  Then the mapping works exactly what I want.  Thanks for the inspiration although it was not the direct answer.

  • Verified answer
    meelamri Profile Picture
    meelamri 13,212 User Group Leader on at
    RE: N:N relationship data/field/attribute mapping when creating record from subgrid

    Hi, 

    Please refer to this blog: 

    ashwaniashwin.wordpress.com/.../

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