Binding Database Data to a DropDownList Web Control
In Hour 11 we examined how to use the DropDownList Web control to display a drop-down list of options in a Web page. The drop-down list, as we discussed, is a means of collecting user input that is limited to one choice from a list of legal choices.
For example, an e-commerce site might use a drop-down list to prompt users for what type of shipping method they want their shipment sent by. Here the options might be U.S. Postal Service, 2-Day UPS, or Overnight FedEx. The drop-down list is a suitable means of collecting user input in this case because the user must choose precisely one shipping option from among the three options.
The options presented to the user in a DropDownList are referred ...