Retrieve Dataverse records with JavaScript

When validations or manipulations in a model-driven app are too complex for a business rule you can use JavaScript instead. With JavaScript you can use the Dynamics API to gather information and/or update records. JavaScript only runs on the interface; this means that the validation or manipulation only happen when a user is interacting with the model-driven app.

retrieveRecord

With retrieveRecord you can retrieve a records form a table if you know the ID.

Xrm.WebApi.retrieveRecord("account", "a8a19cdd-88df-e311-b8e5-6c3be5a8b200", "?$select=name,revenue")

Xrm.WebApi.retrieveRecord("TABLE", "ID", "?$select=COLUMN,COLUMN")

In this example a record from the table accounts is retrieved and the columns name and revenue are returned. If it was successful the results are displayed in the console, if an error occurred then the error message is displayed in the console.

Xrm.WebApi.retrieveRecord("account", "a8a19cdd-88df-e311-b8e5-6c3be5a8b200", "?$select=name,revenue").then(
    function success(result) {
        console.log("Retrieved values: Name: " + result.name + ", Revenue: " + result.revenue);
        // perform operations on record retrieval
    },
    function (error) {
        console.log(error.message);
        // handle error conditions
    }
);

retrieveMultipleRecords

With retrieveMultipleRecords you can retrieve multiple records from a table based on a filtering.

Xrm.WebApi.retrieveMultipleRecords("account", "?$select=name,primarycontactid&$filter=primarycontactid eq a0dbf27c-8efb-e511-80d2-00155db07c77")

Xrm.WebApi.retrieveMultipleRecords("[TABLE]", "?$select=[COLUMN],[COLUMN]&$filter=[COLUMN] eq ID")

In this example three records from the table accounts are retrieved and the columns name is returned. If it was successful the results are displayed in the console, if an error occurred then the error message is displayed in the console.

Xrm.WebApi.retrieveMultipleRecords("account", "?$select=name", 3).then(
    function success(result) {
        for (var i = 0; i < result.entities.length; i++) {
            console.log(result.entities[i]);
        }
        console.log("Next page link: " + result.nextLink);
        // perform additional operations on retrieved records
    },
    function (error) {
        console.log(error.message);
        // handle error conditions
    }
);

Expand query to get related records

With the $expand options we can retrieve related records of the record that was returned, this works for both retrieveRecord and retrieveMultipleRecords. Expand uses navigation columns (relationship/lookup) to retrieve the related records.

Xrm.WebApi.retrieveRecord("account", "a8a19cdd-88df-e311-b8e5-6c3be5a8b200", "?$select=name&$expand=primarycontactid($select=contactid,fullname)")
Xrm.WebApi.retrieveRecord("[TABLE]", "ID", "?$select=[COLUMN]&$expand=[NAVIGATION COLUMN]($select=[COLUMN],[COLUMN])")

Xrm.WebApi.retrieveMultipleRecords("account", "?$select=name&$top=3&$expand=primarycontactid($select=contactid,fullname)", 3)
Xrm.WebApi.retrieveMultipleRecords("[TABLE]", "?$select=[COLUMN]&$top=3&$expand=[NAVIGATION COLUMN]($select=[COLUMN],[COLUMN])", 3)

Asynchronous function to wait on the return

When using retrieveMultipleRecords you might need to use an asynchronous function. The function needs to wait on retrieveMultipleRecords to return the values before continuing with the function. You do this by making two async functions, one with the main logic and the second one which retrieves the records.

async function xseption(formContext) {
    var xseptions = await getXseptions(companyProfileId);
    //Do something with the return
}
async function getXseptions(guid) {
    var query = "?$select=rc_categorytypeid,rc_xseptionsid&$filter=_rc_related_companyprofile_value eq " + guid + "&$expand=rc_categorytypeid($select=rc_value)";
    var result = await Xrm.WebApi.retrieveMultipleRecords("rc_xseptions", query);

    return result;
}
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