How to Restrict the Insert Button Action in the Item Sublist Using Client Script in NetSuite

n NetSuite, managing the behavior of sublists is crucial for maintaining data integrity and ensuring that business processes are followed correctly. One common requirement is to restrict the insert action in the item sublist. This can be effectively achieved using a Client Script with the validateInsert trigger. This article will guide you through the process of creating a Client Script to validate and restrict the line insert action in the item sublist.

What is validateInsert?

The validateInsert function is a trigger in NetSuite Client Scripts that fires when a user attempts to insert a new line in a sublist. By leveraging this trigger, you can control whether a line can be inserted based on custom conditions.

Step-by-Step Guide

Step 1: Create a Client Script

First, you’ll need to create a Client Script that uses the validateInsert trigger to implement your custom validation logic.

1. Create a JavaScript file for your Client Script. Here’s an example script that restricts users from adding more than five items in the item sublist:

/**
 * @NApiVersion 2.x
 * @NScriptType ClientScript
 */
define(['N/ui/message'], function(message) {


    function validateInsert(context) {
        var currentRecord = context.currentRecord;
        var sublistName = context.sublistId;


        if (sublistName === 'item') { // Check if the sublist is the item sublist
            var lineCount = currentRecord.getLineCount({ sublistId: 'item' });


            // Add your custom condition here. For example, restrict if line count is greater than 5
            if (lineCount >= 5) {
                message.create({
                    title: 'Restriction',
                    message: 'You cannot add more than 5 items.',
                    type: message.Type.WARNING
                }).show();


                return false; // Return false to prevent adding a new line
            }
        }
        return true; // Return true to allow adding a new line
    }


    return {
        validateInsert: validateInsert
    };
});

Step 2: Upload the Script to NetSuite

1. Go to Customization > Scripting > Scripts > New.
2. Select Script Type as Client.
3. Upload the script file you created.
4. Fill in the necessary script details and save.

Step 3: Deploy the Script

1. After saving the script, click on the Deployments subtab.
2. Click on New Deployment.
3. Choose the Record Type or Form where you want the script to be deployed.
4. Set the status to Released.
5. Save the deployment.

Explanation of the Script

• validateInsert: This function is triggered when a user tries to insert a new line in the sublist.
• currentRecord.getLineCount: This method retrieves the number of lines currently in the item sublist.
• Custom Condition: The example restricts inserting a new line if there are already five lines in the item sublist.
• message.create: This method displays a warning message to the user if the condition is met.
• return false: Prevents the insertion of a new line when the condition is satisfied.
• return true: Allows the insertion of a new line when the condition is not satisfied.

Conclusion

By using the validateInsert trigger in a Client Script, you can effectively manage and restrict the insert action in the item sublist based on your custom business rules. This ensures data integrity and adherence to business processes in your NetSuite instance. Follow the steps outlined in this article to implement this functionality and customize it according to your specific needs.