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ASP.NET Mobile Image Control

ASP.NET Mobile Reference Complete ASP.NET Mobile Reference

Definition and Usage

The Image control is used to display an image on a mobile device.

Note: Different wireless devices may support different image formats! For example, HTML-capable browsers support GIF files and WML-capable browsers support WBMP files.

You can specify multiple image files in the Image control and the Image control itself will choose the correct image format based on the target mobile device.

Properties

Property Value Description
AlternateText text Optional. Specifies an alternate text for the image
Alignment left
center
right		 Optional. How to align the image
BackColor rgb(x,x,x)
#xxxxxx
colorname		 Optional. A background color for the image
id unique_name Optional. A unique id for the control
ImageUrl url Optional. The URL of the image
NavigateUrl targetUrl Optional. Sets or returns the target URL of the link
runat "server" Required. Specifies that the control is a server control
SoftkeyLabel label Optional. Sets or returns the text displayed for a softkey when the NavigateUrl property defined
StyleReference name_of_style_element Optional. Specifies a reference to a style to be applied to the control

Example 1

The following example will display an image in an .aspx file:

<%@ Page
Inherits=
"System.Web.UI.MobileControls.MobilePage"%>
<%@ Register
TagPrefix="Mobile"
Namespace="System.Web.UI.MobileControls"
Assembly="System.Web.Mobile" %>

<Mobile:Form runat="server">
<Mobile:Image runat="server">
  <DeviceSpecific>
    <Choice ImageURL="image.gif" />
    <Choice ImageURL="image.bmp" />
    <Choice ImageURL="image.wbmp" />
  </DeviceSpecific>
</Mobile:Image>
</Mobile:Form>

When this page is displayed on pocket PC, a GIF image will be displayed. On a cell phone a WBMP image or a BMP image will be displayed, according to the characteristics of the cell phone.

ASP.NET Mobile Reference Complete ASP.NET Mobile Reference
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