M Madhu 🎓 Tutor II ⭐ 12.07K Points 📊 .NET Programming Q. A postback occurs when: (A) a browser posts a form to the server. (B) a user’s action activates the handing of a server event. (C) a server posts a form to the client. (D) Both a and b. 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (D) Both a and b.