[Mono-dev] Problem with Request.Browser.MSDomVersion and Firefox

Tue Apr 24 14:51:38 EDT 2007

Hi Hubert,

We recently implemented all the missing capabilities in the
HttpBrowserCapablities class.
During the implementation we implemented this throw to be compatible with
MS.Net which
throws if the capability isn't defined at all.  The code is based on the
assumption that the
browscaps.ini file should contain the correct values for all the common
browsers.
However, this is not the case!  Since browscaps.ini has it's own maintainer
we did not update
that file.

In order to fix this problem add the missing definitions to the
browscaps.ini file.
Find the browscaps.ini file next to your machine.config file.  This is the
code that
finds and loads it, from CapabilitiesLoader.cs:
#if TARGET_J2EE
    string filepath = "browscap.ini";
#else
    string dir = HttpRuntime.MachineConfigurationDirectory;
    string filepath = Path.Combine (dir, "browscap.ini");
    if (!File.Exists (filepath)) {
     // try removing the trailing version directory
     dir = Path.GetDirectoryName (dir);
     filepath = Path.Combine (dir, "browscap.ini");
    }
#endif

If you don't know what values to put in the configuration you can find the
values from looking
in Microsoft's definitions in the
C:\Windows\Microsoft.NET\Framework\v2.0.50727\CONFIG\Browsers
folder.

I hope this helps.

Adar Wesley
Mainsoft

On 4/24/07, Hubert FONGARNAND <informatique.internet at fiducial.fr> wrote:
>
> try this aspx with firefox
>
> <%@ Page Language="C#" %>
> <Head>
>   <script language=CS runat=server>
>     void Page_Load(object sender, System.EventArgs e)
>     {
>     Console.WriteLine(Request.Browser.W3CDomVersion);
> Console.WriteLine(Request.Browser.MSDomVersion);
>     }
>   </script>
> </Head>
>
> and you'll get
>
> *Argument cannot be null. Parameter name: browscaps.ini does not contain a
> definition for capability msdomversion for userAgent Mozilla*
> *Description: *Error processing request.
>
> *Error Message: *HTTP 500. System.ArgumentNullException: Argument cannot
> be null. Parameter name: browscaps.ini does not contain a definition for
> capability msdomversion for userAgent Mozilla
>
> *Stack Trace: *
>
>   System.ArgumentNullException: Argument cannot be null.
> Parameter name: browscaps.ini does not contain a definition for capability msdomversion for userAgent Mozilla
>   at System.Web.HttpBrowserCapabilities.ReadVersion (System.String key) [0x00000]
>   at System.Web.HttpBrowserCapabilities.get_MSDomVersion () [0x00000]
>   at MetaBuilders.WebControls.ClientScriptUtil.get_RenderUplevel () [0x00000]
>   at MetaBuilders.WebControls.ConfirmedLinkButton.OnPreRender (System.EventArgs e) [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Control.PreRenderRecursiveInternal () [0x00000]
>   at System.Web.UI.Page.InternalProcessRequest () [0x00000]
>   at System.Web.UI.Page.ProcessRequest (System.Web.HttpContext context) [0x00000]
>
>
>
> It use to work well with mono 1.2.3
>
> The problem is that we have an external asp.net component using this
> property... This should'nt  crash...
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-- 
---
Adar Wesley
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