HtmlInputImage Control

Definition and Usage

The HtmlInputImage control is used to control an <input type="image"> element. In HTML, this element is used to create an input button using an image, instead of a regular push-style button.

Properties and Events

Property	Description
Align	The alignment of the image
Alt	An alternate text to display for the image
Border	The width of the borders around the element
id	A unique id for the control
OnServerClick	The name of the function to be executed when the image is clicked
runat	Specifies that the control is a server control. Must be set to "server"
Src	The source of the image

Example 1

In the following example we declare two HtmlInputImage controls and one HtmlGeneric control in an .aspx file (remember to embed the controls inside an HtmlForm control). If the user clicks on the first image, the b1 subroutine is executed. This subroutine sends the message "You clicked button1!" to the span control. If the user clicks on the second image, the b2 subroutine is executed. This subroutine sends the message "You clicked button2!" to the span control:

<script runat="server">
  Sub b1(Source As Object, e As ImageClickEventArgs)
    s1.InnerHtml="You clicked button1!"
  End Sub
  Sub b2(Source As Object, e As ImageClickEventArgs)
    s1.InnerHtml="You clicked button2!"
  End Sub
</script>

<html>
<body>
<form runat="server">
<h3>Click on the images:</h3>
<p>
<input type="image" id="img1" src="../images/smiley.gif"
OnServerClick="b1" runat="server" width="32" height="32">
</p>
<p>
<input type="image" id="img2" src="../images/angry.gif"
OnServerClick="b2" runat="server" width="32" height="32">
</p>
<h3><span id="s1" runat="server"/></h3>
</form>
</body>
</html>

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