Using Dynamic Apex to retrieve Picklist Values

Nisar Ahmad March 03, 2019

Apex Class :

USECASE: Fetch the picklist values from Industry field of Account sObject.


List<SelectOption> options = new List<SelectOption>();

Schema.DescribeFieldResult fieldResult = Account.Industry.getDescribe();
List<Schema.PicklistEntry> picklistEntries = fieldResult.getPicklistValues();

for (Schema.PicklistEntry picklistEntry : picklistEntries) {
    options.add(new SelectOption(picklistEntry.getLabel(), picklistEntry.getValue()));
}

return options;
OR 

List<SelectOption> options = new List<SelectOption>();

Map<String, Schema.SObjectField> fieldMap = Account.getSObjectType().getDescribe().fields.getMap();
List<Schema.PicklistEntry> picklistEntries = fieldMap.get('Industry').getDescribe().getPickListValues();

for (Schema.PicklistEntry picklistEntry : picklistEntries) {
    options.add(new SelectOption(picklistEntry.getLabel(), picklistEntry.getValue()));
}

return options;

OR : Fetch the picklist values from@AuraEnabled Method


public class AccountAuraController {
    @AuraEnabled
    public static List<String> getIndustry(){
        List<String> options = new List<String>();
        Schema.DescribeFieldResult fieldResult = Account.Industry.getDescribe();
        List<Schema.PicklistEntry> pList = fieldResult.getPicklistValues();
        for (Schema.PicklistEntry p: pList) {
            options.add(p.getLabel());
        }
        return options;
    }
}
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