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Oracle Visual Builder: Applications That Outlive Their First Release · Module 7 · Binding data to the page

Lab briefing · One screen, every state

Lesson 77 of 176 · 3 min

Build a LIST AND A FORM, then FORCE LOADING, EMPTY, ERROR AND SLOW STATES and MAKE EACH ONE SAY SOMETHING TRUE. Lesson 8 listed four states. Building them is a paragraph of work; SEEING all four is the thing nobody does, because three of them require deliberately breaking something. BUILD THE HAPPY PATH FIRST AND CONFIRM IT IS BORINGLY CORRECT. A list bound to a service, a form that edits one row on a copy per Lesson 3, and a save that refetches. That baseline is what the four states are variations of. FORCE LOADING BY THROTTLING THE NETWORK IN THE BROWSER TOOLS. Not by imagining it. At a slow profile the page will show you exactly what a user on a poor connection sees for four seconds, and if that is a finished-looking empty page, you have found the first defect and it was invisible at full speed. FORCE…

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In this module: Module 7 · Binding data to the page

  1. 1Binding, and what the framework does for you
  2. 2Tables and lists
  3. 3Forms and two-way binding
  4. 4Formatting: dates, numbers and currency
  5. 5Arabic and right-to-leftFree preview
  6. 6Conditional display
  7. 7Sorting, filtering and searching
  8. 8Empty, loading and error states
  9. 9What breaks: three binding failures
  10. 10Lab briefing · One screen, every state