Create/Update records in CRM D365 using Java Script

Mastering Record Updates in Dynamics 365 Online v9.x with JavaScript WebAPI

CreateUpdate records in CRM D365 using Java Script


In the dynamic world of Dynamics 365 Online v9.x, efficient data management is the key to success. One of the fundamental operations every Dynamics 365 developer should master is updating records using JavaScript WebAPI. In this comprehensive guide, I will dive deep into this topic, equipping you with the knowledge and skills to become a pro at updating records in Dynamics 365 Online v9.x.


Before we delve into the intricacies of updating records, make sure you have the following prerequisites in place:

  1. Access to Dynamics 365: Ensure you have access to your Dynamics 365 Online instance.
  2. JavaScript Proficiency: Familiarize yourself with JavaScript, as it will be the language of choice for interacting with Dynamics 365 Online.

Understanding JavaScript WebAPI

JavaScript WebAPI is a powerful tool for interacting with Dynamics 365 Online, allowing you to perform CRUD (Create, Read, Update, Delete) operations seamlessly. To update a record, follow these steps:

Step 1: Authentication

Authentication is crucial to access your Dynamics 365 Online instance. You can use OAuth or AppId/Secret for this purpose.

Step 2: Construct the Request

To update a record, you need to construct an HTTP request. Here's an example in JavaScript:

Step 3: Handling Responses

Proper error handling is essential. Check the response status to ensure your update was successful or to identify any issues.

Best Practices for Record Updates

To ensure your record updates are efficient and reliable, consider the following best practices:

  1. Batch Updates: If you need to update multiple records, consider batching your requests to minimize API calls and improve performance.
  2. Error Handling: Implement robust error handling to gracefully manage any unexpected issues during the update process.
  3. Test Thoroughly: Always test your code in a development environment before applying updates in a production environment.


Updating records in Dynamics 365 Online v9.x using JavaScript WebAPI is a fundamental skill for any Dynamics developer. By following the steps outlined in this guide and adhering to best practices, you'll be well-equipped to manage and update records efficiently. Remember, practice makes perfect, so keep honing your skills and watch your Dynamics 365 expertise soar.


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