This is equally important and all top companies like Deloitte, pwc, Salesforce ask this in the interview however Still many candidates miss this because they only prepare for Order of Execution in Salesforce. We will also learn about apex transactions and the relationship between apex transaction and Save order of execution. Save Order of Execution is the most important factor in designing sustainable and scalable applications. Let us see what exactly is the order of execution in Visualforce Page.instance of a visualforce component, extensions and controller when user view a page. Before executing a trigger, Salesforce verifies that any custom foreign keys do not refer to the object itself.Salesforce runs user-defined validation rules if multiline items were created, such as quote line items and opportunity line items.When a process or flow executes a DML operation, the affected record goes through the save procedure.The order of execution isn’t guaranteed when having multiple triggers for the same object due to the same event. is made when a page update is required during user interaction like users clicking on the save button.Let us understand the execution order with the help of diagrams.The constructor methods written in controller or extensions are called.If the page has a custom component they are created and the controller/extensions are called is executed. Before Salesforce executes these events on the server, the browser runs JavaScript validation if the record contains any dependent picklist fields.

Testing also lets the developer understand the efficiency of the code. The order of execution isn’t guaranteed when having multiple triggers for the same object due to the same event. No other validation occurs on the client side.If the request came from a standard UI edit page, Salesforce runs system validation to check the record for:When the request comes from other sources, such as an Apex application or a SOAP API call, Salesforce validates only the foreign keys. When we save a record , the following is the order of execution in Salesforce, 1)System validation to verify all … The order in which all these elements are executed could determine how the page will be displayed to that user.In a life-cycle of visualforce page it is also important to understand how the page was requested.is an initial request made on the page either when a user enters an URL or enter the page by clicking a link or button. It’s powered by Salesforce CRM for a complete data record, pre-connected to Commerce Cloud, and natively supports Service Cloud for a single customer view of both order and transaction history. Order of execution in Salesforce cannot be guaranteed in case of multiple triggers on the same object. salesforce order of execution.

It is a critical part of the software development life cycle. Trigger execution order should be deterministic Salesforce Platform , Apex & Visualforce , Application Distribution When working in an org with a managed package installed, triggers you write should execute either before or after the managed code in a consistent way. We will see what events get triggered whenever we save a record in salesforce. If the attributes on the custom components are set using expressions, the expressions are evaluated after the constructors. component is evaluated and other methods like getter or setter are called.If the page contains component, all necessary info required to maintain the state of the database between page requests encrypted in a view state.The resulting HTML is sent to the browser and the browser executes any client-side application like JavaScript. Test classThere can be scenarios where you want to accept data in different ways around the same object. Let’s say there are two triggers that fire when a record is inserted, We cannot control or predict which trigger will be executed first. From learning as well as from Salesforce interview perspective    Like we have an order of execution in Salesforce, we also have order of execution in Visualforce Page.

When you save a record with an insert, update, or upsert statement, Salesforce performs the following events in order.

In this blog post, we will learn about Save order of execution. Like we have an order of execution in Salesforce, we also have order of execution in Visualforce Page.

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