Different types of controls available in ASP.NET

Validation controls available in ASP.NET?

How to "Upload file in a webpage" in asp.net

What is Attribute Programming? What are attributes? Where are they used?

Data Reader & Dataset

What is the difference between server side and client side code?

• HTML elements
• HTML server controls
• Web server controls
• Validation controls
• User controls
• Custom controls

Pages and mobilepages,Ajax extension controls,XmlHttpRequest,etc...