How to get field values from a lookup field entity

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Posted on by Victor Onyebuchi

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Hi All,

My javascript skills is still shaky,I want to know how to get values from a lookup field entity using javascript. After retrieving the lookup field on the form, like the below;

var name = Xrm.Page.getAttribute('<FIELD_NAME>').getValue()[0].name;

How do i go one step deeper to retrieve values of fields from the retrieved lookup field?

Thank for the help in advance.

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a33ik 84,331 Most Valuable Professional on at

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Hello,

To get values you will have to use Crm Endpoints. Here are examples:

docs.microsoft.com/.../mt770365(v%3dcrm.8)

If you're 9.xthen you can use Xrm.WebApi - butenko.pro/.../microsoft-dynamics-365-v9-0-usage-of-new-oob-webapi-functions-part-1

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LMP 680 on at

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Hi Victor,

From a lookup field, you can get the Name, Id and EntityType of the record. Below screenshot shows how to get them.

If you are using Dynamics 365 version 9.0+, you should start using formContext and globalContext instead of Xrm.Page since Xrm.Page will be deprecated soon. Check the below link for more information regarding this.

https://community.dynamics.com/crm/b/briteglobalsolutions/archive/2018/01/01/migrating-your-client-api-to-dynamics-365-ce-v9-part-i

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Rajesh Chungath 467 on at

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If you want to retrieve data from lookup entity

Get record id and entity type from lookup then perform a web API call to retrieve required fields.

Please follow the links

docs.microsoft.com/.../query-data-web-api

docs.microsoft.com/.../mt770365(v%3dcrm.8)

github.com/.../CRMRESTBuilder

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RaviKashyap 55,410 Moderator on at

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Hi Victor,

You can refer the below link on retrieving the lookup values.

community.dynamics.com/.../get-lookup-value-from-other-entity-and-set-it-on-the-form-using-web-api-in-microsoft-dynamics-crm

As you have started with JavaScript, I would also like to introduce you to the Rest Builder tool (if you are not already aware). This is the easiest way to build web api query as well as execute it and see the results.

Refer this blog for details: carldesouza.com/dynamics-crm-rest-builder

You can download the tool here- github.com/.../releases

Hope this helps.

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Community Member on at

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Hi Victor, You can get your solution by using below code

if (Xrm.Page.getAttribute("<FIELD_NAME>).getValue() != null) {
var LookupArray = new Array();
LookupArray = Xrm.Page.getAttribute("<FIELD_NAME>").getValue();
if (LookupArray != null) {
var LookUpName = LookupArray [0].name;
var LookUpId = LookupArray [0].id;
var LookUpentityType = LookupArray [0].entityType;
}
}

Hope this will help.

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Victor Onyebuchi 410 on at

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Thanks Ravi. I will look into the tool, as i have been having problems even debugging javascript.

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Victor Onyebuchi 410 on at

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Thanks Andrew once again.

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