What does a control ID need to be?

A control ID must be unique and represented as a single string value to ensure that each control element can be distinctly identified within the system. This uniqueness is critical in avoiding conflicts or confusion, especially when multiple controls are used within an application or platform. By being a single string, it simplifies the referencing of the ID in code and database interactions, allowing for efficient data management and retrieval.

The requirement for uniqueness prevents scenarios where two controls might inadvertently share the same ID, which could lead to erroneous data updates or interactions. Thus, maintaining a single, unique identifier for each control is foundational for organizing and managing controls effectively in a software environment.