Dynamics CRM JavaScript OnSave and OnLoad

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In Dynamics CRM, you have the ability to hook onto the OnLoad and OnSave events of an entity. We will go through a simple example.

Open the entity in Customizations. Let’s do this with Accounts. Go to Form Properties:

Under UI Events, you will see the two options for OnLoad and OnSave.

Let’s start with adding a new JavaScript library. Select Add:

And then New:

Enter a name and select JScript:

Select Text Editor:

Add the following code. We will have 2 functions for OnLoad and OnSave:

Save and Publish the JavaScript resource:

Click Add:

We now have our JavaScript script in our library available to the Account form:

Next, let’s add the functions to the OnLoad and OnSave events.

Let’s start with OnLoad.

Click Add:

Select the JavaScript library and enter the function created above:

Repeat with OnSave:

Save and publish the form customizations.

Create a new account. The OnLoad and OnSave will actually run before anything else is done – you will see the alerts displayed. Now, enter some details and press Save. Again we see the OnLoad event runs first, then OnSave:





Carl de Souza is a developer and architect focusing on Microsoft Dynamics 365, Power BI, Azure, and AI.

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