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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Deassociate entities o...
Microsoft Dynamics CRM (Archived)

Deassociate entities on update with the Web API

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Posted on by Community Member

Hello everyone

Accordingly to documentation, with Web API, we can Associate entities on update (https://msdn.microsoft.com/en-us/library/mt607875.aspx#Anchor_5)

Is it possible to do the same thing for deassosiating, with a some kind of @odata.unbind? For instance, I have three lookups and I want to clear them all at once, without sending of a DELETE request three times, like in Remove a reference to an entity example (https://msdn.microsoft.com/en-us/library/mt607875.aspx#Anchor_2)

Thanks for advance

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  • Suggested answer
    Nithya Gopinath Profile Picture
    Nithya Gopinath 17,078 on at

    Hi,

    To disassociate records we can write following request using DELETE method:

    function disassociateRequest(accountID, buildingID) {
 
    var serverURL = Xrm.Page.context.getClientUrl();
    var req = new XMLHttpRequest();
    req.open("DELETE",serverURL+"/api/data/v8.0/accounts("+accountID+")/him_building_account/$ref?$id="+serverURL+"/api/data/v8.0/him_buildings("+buildingID+")", true);
    req.setRequestHeader("Accept", "application/json");
    req.setRequestHeader("Content-Type", "application/json; charset=utf-8");
    req.setRequestHeader("OData-MaxVersion", "4.0");
    req.setRequestHeader("OData-Version", "4.0");
    req.onreadystatechange = function() {
        if (this.readyState == 4 /* complete */ ) {
            req.onreadystatechange = null;
            if (this.status == 204) {
                alert('Record Disassociated');
            } else {
                var error = JSON.parse(this.response).error;
                alert(error.message);
            }
        }
    };
    req.send();
}

    Hope this helps you.

  • Suggested answer
    Community Member Profile Picture
    Community Member on at

    Hi Alexander,

    Please check this tool, it helps you to create those queries to use on CRM.

    crmrestbuilder.codeplex.com

    Hope it helps!

    Regards,

    Please verify if it solves your problem.

  • Community Member Profile Picture
    Community Member on at

    Thank you for your response.

    Yes you are right, but this will work only for one lookup, and I want to affect more lookups in one request. Update can fill data in few lookups at once, but I don't know how to perform reverse operation and delete data from few lookups in one update request.

  • Community Member Profile Picture
    Community Member on at

    Hi Ezgi.

    Thank you for response.

    I am familiar with this great tool and tested some variations before asking a question here. I am tried to pass nulls or zero guids without any luck.

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