Parag Chapre

Restricting Field Edits in Model-Driven Apps: A Guide for Developers

Restricting Field Edits in Model-Driven Apps A Guide for Developers
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As developers familiar with X++, the process of controlling field editability after saving a form is relatively straightforward. Utilizing properties like AllowEdit at the form or table level grants us the ability to manage user access to fields effortlessly. However, transitioning to the Model-Driven Apps environment presents a unique challenge. In this article, we’ll explore how to replicate this functionality in Model-Driven Apps using business rules.

Let's explore in detail

Step 1: Set Up Your Model-Driven App

Begin by either creating a new Model-Driven App or using an existing one within your Power Platform environment.

Step 2: Choose or Create Your Entity

Select the entity where you want to control field editability. You can either use an existing entity or create a new one based on your requirements.

Step 3: Navigate to Form Configuration

Access the Dataverse table associated with your chosen entity. From there, locate the main form that you wish to modify.

Step 4: Configure Business Rules

Once you’re on the main form configuration page, navigate to the “Business Rules” section. This is where we’ll implement the logic to control field editability based on specific conditions.

Step 5: Add Condition for Field Lock/Unlock

Within the Business Rules interface, create a new rule with a condition that triggers after the form is saved. The condition should evaluate whether the “Created On” field contains data.

Condition 1: Evaluate “Created On” Field

·       If “Created On” contains data:

Lock the field(s) you want to restrict user edits on.

·       If “Created On” does not contain data:

Unlock the field(s) to allow user edits.



By implementing business rules in Model-Driven Apps, we can replicate the functionality of controlling field editability after saving a form, akin to what we achieve in X++ development. Despite the differences in approach, understanding how to leverage business rules empowers developers to maintain consistency and enforce business logic effectively within the Power Platform environment.

As we continue to navigate the intricacies of Model-Driven App development, mastering tools like business rules becomes increasingly valuable, enabling us to tailor user experiences and drive efficiency in data management workflows.

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