'How to make ImageButton not clickable

I have a number of ImageButtons within a repeater, depending on each record some of these images will be clickable and others, I have disabled the button to stop postback.

I have now changed the opacity of each image so that unless you are hovering on that imagebutton it will be 0.6. The trouble is, for those that I have disabled, obviously I cannot alter the opacity on/off hover.

Currently I am doing this:

    if (vessel.IsRegistered)
    {
        imagebuttonRegistration.ImageUrl = ("../Images/Icons/registrationApproved.gif");
        imagebuttonRegistration.CommandArgument = null;
        DisableImageButton(imagebuttonRegistration);                
        imagebuttonRegistration.ToolTip = GetLocalResourceObject("imageButRegistrationRegisteredText").ToString();
    }

public static void DisableImageButton(ImageButton imagebutton)
{
    imagebutton.Attributes.Remove("href");
    imagebutton.Attributes.Add("disabled","disabled");            
}

But as disabling the button is now causing me problems, how might I just stop the button being clickable/no postback but allow the other attributes to be used.



Solution 1:[1]

try this:

imagebutton.Attributes.Add("onclick","return false");
imagebutton.Style.Add("cursor","context-menu");

Solution 2:[2]

you can use CSS

.imagebutton:disabled {
     opacity:0.7;
 }

check this out:

http://www.w3schools.com/cssref/sel_disabled.asp

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Dgan
Solution 2