Hide Add Button on a Subgrid by Applying Custom JavaScript Rule

Recently we came across a scenario where we needed to show and hide the subgrid add button on satisfaction of a certain condition. We had to take the help of Ribbon Workbench to achieve the same.

Working:

1. Install Ribbon workbench in your Dynamics CRM/365.
2. Create a solution with the entity whose subgrid button you want to customize.
3. Click on the ‘Ribbon Workbench’ button, and then choose the solution consisting your entity from the options populated.
4. Select the entity in the ‘Ribbon Workbench’.
5. Then you need to customize the ‘ADD NEW {0}’ button and ‘ADD EXISTING {0}’ button as shown below.
6. Then right click on Enable Rules and Add a new rule
7. A new rule is created as shown in the screenshot.
8. Now, add steps where you will attach the JavaScript function.
9. Then go to the ‘Commands’ sections in the main tab and click on the generated command.
10. Then add the created enable rule using the lookup button as seen in the below screenshot.
11. The ‘Is Core’ Value for custom enable rule should be false, and for the remaining it should be true.
12. The result will be as shown below, no ‘+’ sign is seen for the subgrid.

In addition, the button is hidden from the associated view as seen in the below screenshot

Conclusion:

Thus, one can show and hide the add button in the subgrid, depending on certain condition.

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