Detailsview itemupdating e newvalues
You request the page in your browser and the page begins its page life cycle. The folder to reset the theme that is applied to all pages in the Management section.With the theme removed, it’s easier to focus on the functionality of the Management section, rather than be distracted by layout issues.By centralizing your connection strings you make it much easier to modify them when your database changes (for example, when you switch from a development environment to a production server).
To see how it works, take a look at the source that VS generated.
In this and later chapters you see how to modify the data-bound controls to include validation functionality.
When you dropped the is considered a very good practice.
VS is just cautious and adds them to all columns and tables.
You can leave them in, but if you write your own SQL statements you don’t have to include them (although you could if you wanted to).