Explain server controls in ASP.NET?

Answer

Server controls are the primary controls in ASP.NET and are categorized in the following groups:

• Validation controls:  These controls validate user input by running the client-side script
• Data source controls:  These are used to provide data binding for multiple data sources.
• Data view controls:  These controls are used to view/display list and table data that is obtained from data sources
• Login and security controls:  used for user authentication
• Master pages:  used for giving a consistent interface and layout for the whole application
• Rich controls:  These are used to implement special features like fileupload, calendar control, AdRotator etc.
• Navigation controls:   help in navigation through menus, tree views and so on
• Personalization controls:   used for personalization of page based on user information and preferences