Master Detail using RESTful Web Services Code and Demo

A Master-Detail relationship is a common design pattern in application development where two sets of data are related hierarchically. In this context, the Master represents a high-level record, such as an Invoice, while the Detail contains the associated lower-level records, such as the Invoice Lines that list the individual items or services included in that invoice. When a user selects a specific invoice (the master), the application fetches and displays all related invoice lines (the details) automatically. This approach ensures a clear structure, improves data handling, and enhances the user experience, especially in administrative dashboards, billing systems, and financial applications.

Using a Master-Detail design with RESTful APIs, you can expose endpoints like /invoices/ to retrieve or manage master records and /invoices/{invoice_id}/lines/ to handle related details. This setup enables dynamic and modular data retrieval on the frontend—for example, showing invoice headers in a grid, and upon selection, loading the corresponding line items. This model promotes efficient data handling, reusability, and a user-friendly interface in enterprise-level applications.

Code
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Master Detail using Wizards
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