SAMS Teach Yourself ASP.NET in 24 Hours

Examining the Different Types of User Input Classifications

So far we have worked with only one Web control that is used to gather user input, the TextBox Web control. As we have seen in the examples thus far in the book, the TextBox Web control presents users with a textbox into which they can type their input. For example, in the monthly mortgage cost calculator in Hour 3, “Creating Our First ASP.NET Web Page,” the user inputted the amount, duration, and interest rate of a mortgage to determine its monthly cost. In the BMI Calculator in Hour 9, “Web Form Basics,” the user supplied height and weight in textboxes. Additionally, there was a plethora of TextBox Web control examples in the previous hour, “Using Textboxes to Collect Input.”

Textboxes, ...