October 2010
Intermediate to advanced
1920 pages
73h 55m
English
Content preview from ASP.NET 4 Unleashed
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,
Start your free trial
Creating User Controls
Let’s start by building a simple User control that randomly displays one image from a folder of images (see Figure 7.1). The code for the User control is contained in Listing 7.1.
Figure 7.1. Displaying an image with the RandomImage User control.
Listing 7.1. RandomImage.ascx
Visual Web Developer Note
You create a new User control in Visual Web Developer by selecting website, Add New Item, and the Web User control ...