how to update lookup field using WebAPI ?

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Posted on by umma

235

For an account I m trying to populate primarycontactid (lookup field) using the following code but CRM returns error "400 Bad Request"

Can you please guide how is this code wrong ? Or please if can provide a working sample of similar snario ?

var entity = {};
entity.primarycontactid = {
            Id: "ba121cbc-6a41-e611-80e0-c4346bc58294",
            LogicalName: "contact"
        };

var req = new XMLHttpRequest();
req.open("PATCH", Xrm.Page.context.getClientUrl() + "/api/data/v8.0/accounts(bf121cbc-6a41-e611-80e0-c4346bc58294)", true);
req.setRequestHeader("OData-MaxVersion", "4.0");
req.setRequestHeader("OData-Version", "4.0");
req.setRequestHeader("Accept", "application/json");
req.setRequestHeader("Content-Type", "application/json; charset=utf-8");
req.onreadystatechange = function () {
    if (this.readyState === 4) {
        req.onreadystatechange = null;
        if (this.status === 204) {
            //Success - No Return Data - Do Something
        }
        else {
            alert(this.statusText);
        }
    }
};
req.send(JSON.stringify(entity));

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Guido Preite 54,086 Moderator on at

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follow this blog post in order to see how you need to specify a lookup field with the new Web API

www.inogic.com/.../set-values-of-all-data-types-using-web-api-in-dynamics-crm

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umma 235 on at

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Thanks Guido, it helped.

I tried as suggested using JS and result was same error, then I tried using JQuery and it was fine. Just curiest is it something known ? WebAPI sdk has not been released officially does it means it is not stable yet ? Thanks for your guidance.

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Guido Preite 54,086 Moderator on at

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jQuery is just a wrapper of JavaScript functions in order to be cross-browser compatible.

WebAPI is officially released but not all the SDK operations are available with WebAPI yet.

hope it helps

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Bangar Raju 15 on at

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While creating CRM record using Web Api we need to use Odata CRM Schema Names not name of the attribute.

ie, if the field is created with name "new_accountname" then the Schema name is looks like "new_AccountName".

So While setting lookup value we need to follow the below syntax instead of using auto code generated by CRMRestBuilder.

Ex:

var entity = {};

entity["primarycontactid@odata.bind"] ="/contacts(89153C7D-E45E-E611-80F6-1458D05A5490)"

entity["new_AccountName@odata.bind"] ="/contacts(89153C7D-E45E-E611-80F6-1458D05A5490)"

var req = new XMLHttpRequest();

req.open("PATCH", Xrm.Page.context.getClientUrl() + "/api/data/v8.0/accounts(bf121cbc-6a41-e611-80e0-c4346bc58294)", true);

req.setRequestHeader("OData-MaxVersion", "4.0");

req.setRequestHeader("OData-Version", "4.0");

req.setRequestHeader("Accept", "application/json");

req.setRequestHeader("Content-Type", "application/json; charset=utf-8");

req.onreadystatechange = function () {

if (this.readyState === 4) {

req.onreadystatechange = null;

if (this.status === 204) {

//Success - No Return Data - Do Something

}

else {

alert(this.statusText);

}

}

};

req.send(JSON.stringify(entity));

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Maksym Tomyn 30 on at

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How to update lookup field to null ? Can I update the entity with removal of value?

var entity = {};

entity["primarycontactid@odata.bind"] ="/contacts(null)"

entity["new_AccountName@odata.bind"] ="/contacts(89153C7D-E45E-E611-80F6-1458D05A5490)"

var req = new XMLHttpRequest();

req.open("PATCH", Xrm.Page.context.getClientUrl() + "/api/data/v8.0/accounts(bf121cbc-6a41-e611-80e0-c4346bc58294)", true);

req.setRequestHeader("OData-MaxVersion", "4.0");

req.setRequestHeader("OData-Version", "4.0");

req.setRequestHeader("Accept", "application/json");

req.setRequestHeader("Content-Type", "application/json; charset=utf-8");

req.onreadystatechange = function () {

if (this.readyState === 4) {

req.onreadystatechange = null;

if (this.status === 204) {

//Success - No Return Data - Do Something

}

else {

alert(this.statusText);

}

}

};

req.send(JSON.stringify(entity));

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tw0sh3ds 5,600 on at

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@Maksym Tomyn no you have to do disassociate to remove the lookup value (https://msdn.microsoft.com/en-us/library/mt607875.aspx):

For a single-valued navigation property, remove the $id query string parameter.

DELETE [Organization URI]/api/data/v8.2/opportunities(00000000-0000-0000-0000-000000000001)/customerid_account/$ref HTTP/1.1 Accept: application/json OData-MaxVersion: 4.0 OData-Version: 4.0

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Maksym Tomyn 30 on at

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Do I have to create two requests of DELETE for updating of the first field and PATCH for updating of the second field?

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tw0sh3ds 5,600 on at

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You have to do two requests, but WebAPI supports batch requests, so you can do both requests in single HTTP call. Search for CRM 2016 WebAPI batch requests on google for some tutorials

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slx 386 on at

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Could you please help with the following scenario ? I am running this code to delete a reference parentcustomerid_account

This is working successfully on DEV but when executed on different environment IFD / ADFS the request is 404 NOT FOUND

Do you have any idea ? Thank you

// [Org URI]/api/data/v8.2/contacts([contactid#])/parentcustomerid_account/$ref

contact1Uri = httpClient.BaseAddress + web_api + "contacts(" + myReader.Value.ToString().ToLower() + ")/parentcustomerid_account/$ref";

HttpResponseMessage disassocResponse1 = await httpClient.DeleteAsync(contact1Uri);

if (disassocResponse1.StatusCode == HttpStatusCode.NoContent)

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slx 386 on at

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Could you please help with the following scenario ? I am running this code to delete a reference parentcustomerid_account

This is working successfully on DEV but when executed on different environment IFD / ADFS the request is 404 NOT FOUND

Do you have any idea ? Thank you

// [Org URI]/api/data/v8.2/contacts([contactid#])/parentcustomerid_account/$ref

contact1Uri = httpClient.BaseAddress + web_api + "contacts(" + myReader.Value.ToString

().ToLower() + ")/parentcustomerid_account/$ref";

HttpResponseMessage disassocResponse1 = await httpClient.DeleteAsync(contact1Uri);

if (disassocResponse1.StatusCode == HttpStatusCode.NoContent)

Status code is 404 = NOT FOUND

Same code is successful on different environment

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