Problem
1. Describe the concept of exception in .Net environment
2. Explain the process of adding, updating and deleting records with an example
3. Explain DTD elements and DTD attributes
4. Describe the following
- Code Editor Window
- Solution Explorer
5. Design a form to perform calculator functions using vb.net
6. Write a XML with database with book details (BOOK ID, Title, Author, subject, published Year, language, vendor, price)