From http://www.w3schools.com (Copyright Refsnes Data)
Complete Image Control Reference
The AlternateText property is used to set or return the alternate text of an image.
This property specifies the text to display if the image is not available.
The alternate text displays as a ToolTip if your browser supports it (Internet Explorer)
| <asp:Image AlternateText="text" runat="server" /> |
| Attribute | Description |
|---|---|
| text | Specifies an alternate text for the image |
ExampleThe following example sets the AlternateText for an Image control (image file does not exist):
Show example » |
Complete Image Control Reference
From http://www.w3schools.com (Copyright Refsnes Data)