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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archive) / Populate lookup field ...
Microsoft Dynamics CRM (Archive)
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Populate lookup field based on another lookup field on the form.

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Posted on by DevCrmUser 60

I have two lookup on the form lets Say A  and B.

I need to populate B based on the value in A as A has a main form where this lookup B is populated with the value and that value should populate in my form where both this field are present

I cannot use mapping for it as B and A is 1:N related and user is not allowed to fill B first so that we can populate A. but vice versa is needed.

I hope I have cleared my requirements

Can i get any JavaScript sample code . I am pretty new to it so needed help

Thanks in advance.

Categories:
Sales
Development / Customization / SDK
I have the same question (0)
  • Tamilarasu Arunachalam Profile Picture
    Tamilarasu Arunachalam 558 on at
    RE: Populate lookup field based on another lookup field on the form.

    Hi  DevCrmUser,

    Please go through the below link to get the clear idea on how to autopopulate lookup by another lookup with fireOnChange()

    https://www.tamilarasu.me/2022/12/auto-populate-lookup-based-on-other.html

    if this helps you please like and verify my answer

  • Verified answer
    Ray Profile Picture
    Ray 1,390 on at
    RE: Populate lookup field based on another lookup field on the form.

    As my understand, you want to get the B from A's record and set value for B? here is a demo code for you, this function should bind to the OnChange event of A, you may need change some of the variables:

    function fieldAOnChange(executionContext) {
	var formContext = executionContext.getFormContext();
	// Get the value of lookup field A
	var lookupValue = formContext.getAttribute("lookupA").getValue();

	// Get the record associated with lookup field A
	var lookupRecord = lookupValue[0].id;

	// Retrieve the value of field B from the associated record
	Xrm.WebApi.retrieveRecord("entitynameA", lookupRecord, "?$select=new_fieldB").then(
		function success(result) {
			// Set the value of lookup field B
			formContext.getAttribute("lookupB").setValue([{ id: result.new_fieldB, name: result.new_fieldBName, entityType: "entitynameB" }]);
		},
		function (error) {
			console.log(error.message);
		}
	);
}

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