[Mono-bugs] [Bug 457943] ScriptManager.GetCurrent : Cannot cast from source type to destination type

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue Jan 13 00:19:07 EST 2009


User gonzalo at novell.com added comment

Gonzalo Paniagua Javier <gonzalo at novell.com> changed:

           What    |Removed                     |Added
                 CC|                            |gonzalo at novell.com

--- Comment #9 from Gonzalo Paniagua Javier <gonzalo at novell.com>  2009-01-12 22:19:05 MST ---
The problem here is that the AjaxControltoolkit.dll in Bin references
System.Web.Extensions 1.0.61025.0 while the web.config file makes use of the version.

I added this code to Default.aspx:
void Page_PreRender ()
                base.PreRender ();
                AppDomain domain = AppDomain.CurrentDomain;
                Response.Write ("<!--\r\n");
                foreach (System.Reflection.Assembly assembly in
domain.GetAssemblies ()) {
                        Response.Write (assembly.GetName ());
                Response.Write ("\r\n--!>");

and looks like MS does NOT load the 1.0.61025 version while the mono runtime
loads BOTH versions and later gets confused and causes the invalid cast

I would say that:
a) this is a runtime problem
b) the fix is not likely to get in 2.2.x
c) the easy workaround is to get the AjaxControlToolkit compiled against the version if possible.

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