function readOnly(count){ }
Starting November 20, the site will be set to read-only. On December 4, 2023,
forum discussions will move to the Trailblazer Community.
+ Start a Discussion
Sree SalesforceSree Salesforce 

Suppose i am create validation rule in backend,also create validation rule in front end,which one is first fire?

Sai Ram ASai Ram A
1. The original record is loaded from the database (or initialized for an insert statement)
2. The new record field values are loaded from the request and overwrite the old values
3. All before triggers execute (TRIGGERS)
4. System validation occurs, such as verifying that all required fields have a non-null value, and running any user-defined validation rules (VALIDATIONS)
5. The record is saved to the database, but not yet committed
6. All after triggers execute
7. Assignment rules execute
8. Auto-response rules execute
9. Workflow rules execute (WORKFLOW)
10. If there are workflow field updates, the record is updated again
11. If the record was updated with workflow field updates, before and after triggers fire one more time (and only one more time)
12. Escalation rules execute
13. All DML operations are committed to the database
14. Post-commit logic executes, such as sending email

 

Here is the reference : http://www.x2od.com/2008/11/09/salesforce-order-of-execution
Hargobind_SinghHargobind_Singh
If you are using HTML textboxes, then your front-end would be validated first, am assuming you are referring to Javascript validations. 
Naveen Rahul 3Naveen Rahul 3
What ever the languages may be,the client side validations i.e javascript,jquery would execute first and then the server side validations will execute.because your values need to be posted to server to validate,but client side dont need that actually its your browser agent has that facility.