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mobile ASP.NET issues

P: n/a
Hi there,

I've just started to dig into mobile ASP.NET and I'd really wish to
clarify few things. I have the experience with ASP.NET.

1) Some tutorials mention something called Microsoft Mobile Internet Toolkit
to be installed over .NET Framework 1.0. Is this Toolkit required when using
..NET Framework 1.1? At this moment my research indicate that MMIT is an
integral part of .NET 1.1 and DOES NOT to be installed. Can anyone confirm

2) [related to 1.] What about so called "Updates" to MMIT? [the last update
is number 4] Should I download and run the update package in the host
machine? If yes then is this Update a part of .NET 1.1 SP 1?

3) lists several
mobile phones that are compatible with mobile ASP.NET. What does it mean to
"be compatible"? I need a clarification because I've tested my Noki a 3410
(it is NOT on the list) and it works with my test ASP.NET page! Does it mean
that the list is incomplete? It is possible that much more mobile phones can
read mobile ASP.NET pages?

4) After I'd noticed that the simple test page
[, source provided at the end of this
message] works with N3410, I've started to test other mobile phones. To my
surprize, the test page does not work with Siemen s ME45 (and two other
Siemen ses). I've started to dig into that issue and found a page where several emulators are available. The test page works
with most of emulators but, indeed, it does not work with Siemen ses).
However, the emulators says (you can see it by yourself) that

"No WML page found. It's probably a HTML file..."

and further

"The page at is not a WML page! It's a
ordinary HTML page.
We know this because the server responded with the content type text/html
when we made a request for
This would been OK if it was a HTML page we where looking for, but it's not.
What we want is a WML page."

This is a big concern to me. Does it mean that the mobile ASP.NET does not
produce WML page to a mobile device? Most tutorials claim that it does! Or
does it mean that Siemen s has a faulty or incompatible WML processor? Can I
address this issue somehow and fix the page to be compatible with this
particular browser or is it impossible?

5) what is the purpose of this <deviceFilters> section in web.config file?
why it is important to define filters? Is it to block some mobiles from
accessing pages or rather to enable some mobiles to access the page?

big thanks for the clarification of at least some of these issues

Wiktor Zychla

// source ot the test page
<%@ Page Inherits="System.Web.UI.MobileControls.MobilePage" %>
<%@ Register TagPrefix="Mobile" Namespace="System.Web.UI.MobileControls"
Assembly="System.Web.Mobile" %>
<meta content="charset=utf-8">
<body Xmlns:mobile="">
<Mobile:Form runat="server">
- Ten o gasce Balbince?<br>
- Alez Wodzu co Wodz!<br>
- To ja przepraszam<br>
<Mobile:TextBox runat="server">tu tekst</Mobile:TextBox>
Nov 19 '05 #1
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