IMChallenger

1. Get Id from current page 1.1 Add 'force:hasRecordId' to implements <aura:component implements="force:hasRecordId"> 1.2 Create attribute to receive Id <aura:attribute name="recordId" type="Id" /> 1.3 In controller js component.get("v.recordId");

7. How to render Visualforce page to PDF then Download it. 1. You need to have two page first page is main page <apex:page id="MainPage" showHeader="false" cache="true" contentType="application/x-pdf#PDF_Name.pdf" <apex:include pageName="SecondpageName"/> </apex:page> 2. your second page <apex:page renderAs="pdf" >//your code</apex:page>

url source : https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_dynamic_soql.htm

4. Query in Loop problem: ( we do not need to to select query in loop ) resolved: In Apex Class: public class UpdateAccTriggerHandler { public void handleBeforeCreateUpdate( List<Account> newAccList ){ Set<Id> accountGroupIds = new Set<Id>();       for( Account iAccount : newAccList ) {             if(iAccount.Group__c != null ) {                 accountGroupIds.add( iAccount.Group__c );             }         } List<Account> accountGroups = [ SELECT Id, Name, OwnerId                                   From Account                                   WHERE Id in: accountGroupIds                                 ];         Map<Id,Account> groupIdMap = new Map<Id,Account>();         for( Account oneGroup: accountGroups ) {             groupIdMap.put(oneGroup.Id,oneGroup);         }       for( Account iAccount : newAccList ) {             if( iAccount.Group__c != null ) {                 iAccount.OwnerId = groupIdMap.get(iAccount.Group__c).Own

3. Call Method from trigger to apex and with list<Account> and Map<Id,Account> In Apex class: public class UpdateAccTriggerHandler { public void updateAccountTest(List<Account> newAccList, Map<Id,Account> oldMap){ for(Account acc:newAccList){ //your code... } } } In Trigger : UpdateAccTriggerHandler updateAcc = new UpdateAccTriggerHandler (); updateAcc .updateAccountTest(Trigger.New, Trigger.oldMap);

2. Call Method in salcesforce apex class without @RemoteAction In Apex Class: public void saveRanking() { // you code here} In salesforce Page: // call method from apex class by clicking on button <apex:commandButton styleClass="slds-button slds-button--neutral btn-refresh" reRender="mainForm" status="loadingStatus" action="{!saveRanking}" value="Save"> </apex:commandButton>

1. @RemoteAction : use to call method from page to class by js In Apex class: @RemoteAction global static List<Account> getAccounts() { //your code } In JS method: function getAllAccount(){ // call method from saleforce class Visualforce.remoting.Manager.invokeAction( '{!$RemoteAction.OfficeLocatorController.getAccounts}', function(responseAccounts, event){ initialize(responseAccounts) },{escape: true} ); }