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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Fetch related entities...
Microsoft Dynamics CRM (Archived)

Fetch related entities on delete operation

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Posted on by snehaln676 144

Hi,

I need to fetch related entity records of contact in a plugin on DELETE operation.

Contact and its related entities are having 1:N relationship of Parental behaviour.

Is there any way to fetch related records on delete event without changing the relationship behaviour.

TIA.

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  • Suggested answer
    Rawish Kumar Profile Picture
    Rawish Kumar 13,758 on at

    You have to write a plugin on "Pre-Operation" Message of "Delete" Action.

    take the current record id and create queryattribute/queryexpression to retrieve all records where parent record is == current record id.

    here are some examples :  community.dynamics.com/.../245874

    www.inogic.com/.../retrieve-related-entity-records-along-wih-the-primary-entity-using-retrieve-method  

  • snehaln676 Profile Picture
    snehaln676 144 on at

    Hi Rawish,

    Thank you.

    I have already tried with pre-operation plugin on Delete to retrieve related records, but its not working. Retreived records count is appearing as 0.

  • Verified answer
    Rawish Kumar Profile Picture
    Rawish Kumar 13,758 on at

    looks like this issue : community.dynamics.com/.../crm-plugins-retrieve-children-during-delete

    see this and let me if changing this works.

  • Suggested answer
    snehaln676 Profile Picture
    snehaln676 144 on at

    Yes it works! But as pre-validation does not store any transaction, need to get values in shared variables and can use it in pre/post operation to achieve functionality.

    Thank you!

  • AnthonyD Profile Picture
    AnthonyD 40 on at

    Hello,

    I have the same issue but in my case it's a N:N relation. When deleting the parent record i want to retrieve the related records for some calculations. I have the delete operation and have it on Pre-Validation.

    However when I run this code which usually works I retrieve 0 entities.

    var query = new QueryExpression()
                {
                    //Set this to the entity you wish to retrieve data from
                    EntityName = "cref8_cursist",

                    //This will return us all columns for each record returned
                    ColumnSet = new ColumnSet(true),
                };

                //AddLink(RELATIONSHIP ENTITY NAME, ENTITY UNIQUE ID FROM THE ENTITIE YOU WISH TO RETRIEVE DATA FROM, ENTITY UNIQUE ID FROM THE ENTITIE YOU WISH TO RETRIEVE DATA FROM
                var link = query.AddLink("cref8_extrakost_cref8_cursist", "cref8_cursistid", "cref8_cursistid");
                link.LinkCriteria = new FilterExpression()
                {
                    //Add this to filter the Trainee records for a specified Course
                    Conditions =
                                    {
                                        new ConditionExpression("cref8_extrakostid", ConditionOperator.Equal, extraKostEntity.Id)
                                    }
                };

                //Invoke the service with our query
                var Cursists = service.RetrieveMultiple(query);

    How did you fix this?

    Best Regards,

    Anthony

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