ImageLinkEventArgs.AlternateText Property
Alternate text for the image, to show in the "ALT" tag when a browser can not display images. By default this is set to the text in the box "Alternative Text" in the web tab on the image properties. If no Alternative text is supplied in the file, the image name will be used here.
Syntax
Namespace: FlexCel.AspNet
public String AlternateText { get; }