Displaying Images with the ASP.NET Repeater Control
Short summary:
Visual Studio .NET 2002/2003 running ASP.NET version 1.x is required for this tutorial. Both VB.NET and C# code samples will be provided Preparing First we need a sample ASP.NET project to work with.
Long summary:
Displaying Images with the ASP.NET Repeater Control
Kevin Koch
Displaying Images with the ASP.NET Repeater Control
Images are often an integral part of an application. Many businesses use image cataloguing as part of their
everyday business process, from Insurance companies to automotive sales. Images are also sometimes tricky
to handle within ASP.NET applications.
Although there are quite a few methods and controls for managing images and thumbnails the process can
be a little obfuscated for developers who are not quite sure where to start, or which controls to employ to
accomplish the task. You really have to get creative sometimes and often what will happen is a particular
development strategy that will start out with a good concept but, as it develops, it becomes more and
more unorganized and you wind up with quite a mess in the end.
The purpose of this tutorial is to look at one particular approach for displaying a series of thumbnail images
and provide a link to a popup window which will handle displaying the full original image. The goal of this
sample application will be to accomplish this requirement in the most simplistic way possible, using the least
amount of code to keep things organized and tidy.
The control we will use to implement this sample application will be the Repeater control. For those who are
familiar with classic ASP style programming the Repeater control will be quite familiar. We will use the basic
principles behind the Repeater control to implement HTML template chunks which can handle the display of
a series of thumbnails contained within a folder.
We will also build a DataTable object that we can directly bind to the Repeater control, since the Repeater
can only be used with a data source. During the binding process we will manually manipulate the items in
the control so that we can popup a new window when a certain item is clicked and display the original full
image.
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Source: www.dmxzone.com
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