IE10 sending image button click coordinates with decimals (floating point values) causing a ParseInt32 FormatException

Question

It seems like ASP.NET 4.0 is not prepared to handle ImageButton events triggered by Internet Explorer 10. The problem is that IE10 sends the image click coordinates as doubl

Answer 1

If you press F12 and switch to IE9 manually, it works like a charm. So our apporach was to use content="IE=9" but this only switches the document mode in IE10 not the browser mode and that seems to be not enough.

Maybe someone has an idea on how to switch the document mode too?

Another workaround that gets more and more popular is to overwrite LoadPostData, see

http://www.codeproject.com/Tips/496162/IE10-and-ImageButtons?display=Mobile http://forums.asp.net/t/1823287.aspx/2/10

Personally I woulve have found the content="IE=9" the best solution because of the little additional work and impact.