NumberFormatException Occurs When Order Field is Left Empty in FlexOrderView

[jturfanbasis]

Description
When the Order input field is left empty (null) and the "Set Order" button is clicked, the application throws a java.lang.NumberFormatException. The input is not properly validated for empty or null values.

Steps to Reproduce

1. Navigate to the FlexOrderView page.
2. Delete any existing number in the Order field, leaving it blank.
3. Click the Set Order button.
4. Observe the application behavior.

Expected Behavior
The application should validate the input field and prevent the operation if the input is empty. An appropriate user-friendly error message should be displayed.

Actual Behavior
Throw java.lang.NumberFormatException

Recording.2024-12-17.135731.mp4