Web Server Controls
The ImageButton control is used to display a clickable image.
| Property | Description | .NET |
|---|---|---|
| CausesValidation | Specifies if a page is validated when an ImageButton control is clicked | 1.0 |
| CommandArgument | Additional information about the command to perform | 1.0 |
| CommandName | The command associated with the Command event | 1.0 |
| GenerateEmptyAlternateText | Specifies whether or not the control creates an empty string as an alternate text | 2.0 |
| OnClientClick | The name of the function to be executed when the image is clicked | 2.0 |
| PostBackUrl | The URL of the page to post to from the current page when the ImageButton control is clicked | 2.0 |
| runat | Specifies that the control is a server control. Must be set to "server" | 1.0 |
| TagKey | 1.0 | |
| ValidationGroup | The group of controls for which the ImageButton control causes validation when it posts back to the server | 2.0 |
Note: The properties of the Image control can also be used on the ImageButton control.
For a full description, go to Web Control Standard Attributes.
For a full description, go to Control Standard Attributes.
ImageButton
Declare one ImageButton control and one Label control in an .aspx file. When the user clicks on the image, the
getCoordinates subroutine is executed. The subroutine sends the message "Coordinates: " and the x and y coordinates of the click to the Label control.
Web Server Controls
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