December 2001
Intermediate to advanced
416 pages
8h 16m
English
Content preview from C# Primer: A Practical Approach
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7.13. Adding a DropDownList Control
The DropDownList control allows the user to select one of any number of items. In our case we wish to present the user with the available appointment times. Unlike a list box, a drop-down list displays only one item—the item currently selected. To see the entire item list, the user clicks on the right-hand down arrow. We can either add each item individually to the list:
DropDownList1.Items.Add( "7:00 AM" );
or else assign a collection of items to the control's DataSource property—for example,
private void Page_Load( object sender, System.EventArgs e ) { if ( ! IsPostBack ) { string [] times = { "7:00 AM", "8:00 AM", "9:00 AM", "10:00 AM", "11:00 AM", "12:00 Noon", "2:00 PM", "3:00 PM", "4:00PM" }; DropDownList1.DataSource ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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