Answer / ravikrishna

ASP.NET maps HTTP requests to HttpHandlers. Each HttpHandler enables processing of individual HTTP URLs or groups of URL extensions within an application. HttpHandlers have the same functionality as ISAPI extensions with a much simpler programming model

Ex
1.Default HttpHandler for all ASP.NET pages ->ASP.NET Page Handler (*.aspx)
2.Default HttpHandler for all ASP.NET service pages->ASP.NET Service Handler (*.asmx)

An HttpHandler can be either synchronous or asynchronous. A synchronous handler does not return until it finishes processing the HTTP request for which it is called. An asynchronous handler usually launches a process that can be lengthy, and returns before that process finishes
After writing and compiling the code to implement an HttpHandler, you must register the handler using your application's Web.config file.

1. What is Connection Pooling…? 2. Maintaining Sessions in ASP.NET 3. ASP.NET page lifecycle. 4. Can we store objects in sessions. 5. What is AJAX..? 6. Serialization/Deserialization. Why we use serialization and Deserialization…? 7. What are Arrays and Arraylist..? 8. Difference between Authentication and Authorization…? 9. Difference between abstract class and Interfaces 10. What is a view..? Does a view contain data..? 11. What are triggers..? 12. What are transactions..? 13. What is Metaview (oracle)..? 14. What is Inheritance..? How can we call a method from the base class..? 15. Can an abstract class have zero abstract methods..? 16. How to read from Message Queue..? 17. What is Metadata..? 18. You would prefer to have business logic in c# or DB Side..? Why…?

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