MBL 305

ASP.NET Mobile Controls: Best Practices

Gökşin Bakir

CSA

Yage Ltd.

Microsoft Regional Director

Agenda

A Single URL for desktop and mobile

Securing your application

Template Customization

Displaying Images

Storing Dynamic Data

Setting Client Focus

Using Softkeys

Optimize the UI

Redirection

Business LogicBusiness Logic

Data StoreData Store

Presentation LayerPresentation Layer

Business ObjectsBusiness Objects

Mobile UIMobile UIDesktop UIDesktop UI

Data ObjectsData Objects

SQL DataSQL Data

Data Access ObjectsData Access Objects

Single URL redirectionSingle URL redirection

Security Option

Type Pros Cons

Windows

“NTML”

Very secure Not many mobile device support it

Digest More secure than basic Not many devices supports it

Basic Widely implemented It does not encrypt user name and password

Form No Windows Account needed

Could be use with HTTPS

Required coding the login page

Form Authentication

Create Login FormAdd User validation logic

Enable Form Authentication<authentication mode="Forms">

<forms name="name"

loginUrl="url“

protection="All|None|Encryption|Validation" timeout="30"

path="/"

requireSSL="true|false“

slidingExpiration="true|false">

Securing resources

<authorization>Define how can or can not access a resource

A resource could be a page, application or subdirectory

Two elements<deny> <allow> elements

Mobile Security Support Cookie-less devices (default)

Enable HTTPS on your siteRequires WTLS from client to gateway

Securing a mobile web Securing a mobile web applicationapplication

Templates

List Control Parts

Header Header TemplateTemplate

Item TemplateItem Template

Alternate ItemAlternate ItemTemplateTemplate

FooterFooterTemplateTemplate

SeparatorSeparatorTemplateTemplate

Pocket PC Customization

Cell Phone

Objectlist customization

Modify the control rendering by using templates

HeaderTemplate

FooterTemplates

ItemTemplate

AlternatingItemTemplates

SeparatorTemplate

ItemDetailsTemplate

Setting the Objectlist view Defined the objectlist

Setting the Object ListSetting the Object List

Image Display

Multiple formatBMP : Openwave.Com

Wbmp : Wap browser

Jpg : HTML browsers

If you have the right format use property override

Dynamic image control

Dynamic image controlDynamic image control

Store information strategiesType Pros Cons

SessionState All Server side May impact server performance

Web farm deployment is more difficult

Hidden Variables No server side impact

Overloads client with data

More bandwidth usage

Potential security risk

Query String Included in HTTP query string

Client side size limits

Must hand build parser

Potential security risk

Cookies Flexible Not all the devices supports it

Storing informationStoring information

Setting focus on a control

Create an inheritance controlAdd a JavaScript property

Override the render method

Setting focus of a Setting focus of a controlcontrol

Set a Right Softkey

WML 1.1- 1.2 does not provide a way to set the right softkey

Step 1 define a filter<deviceFilters> <filter name="supports2SoftKeys"

compare="NumberOfSoftkeys" argument="2"/>

</deviceFilters>

Use Scripttemplate<mobile:DeviceSpecific runat="server">

<Choice Filter="supports2SoftKeys" >

<ScriptTemplate> <do type="options" label="MS"> <go href="www.microsoft.com" /> </do>

</ScriptTemplate>

</Choice>

</mobile:DeviceSpecific >

Adaptive Rendering Tips

NavigationReduce the number of clicks

Improve navigational links

ObjectList TipsTurn pagination on

Turn wrapping off

Input formLiteral Text

Turn BreakAfter property off

Insert space in HTML view

Optimizing the UIOptimizing the UI

Download emulator

List of link of the current available emulators:

http://support.microsoft.com/default.aspx?scid=kb;en-us;320977

Getting Started

Download .NET Framework 1.1ASP.NET controls are part of the redist

http://www.asp.net/download-1.1.aspx?tabindex=0&tabid=1

Read the QuickStart Tutorialhttp://samples.gotdotnet.com/mobilequickstart/Samples

Review existing sample application 5 ASP.NET Starter Kits Available

http://www.asp.net/Default.aspx?tabindex=9&tabid=47

Get your question answeredParticipate in Peer to peer forums

http://www.asp.net/Forums/default.aspx?tabindex=1&amp;tabid=39

Apply the latest device supportDownload the latest Device Update

http://www.asp.net/mobile/deviceupdate.aspx?tabindex=6

Let us know what you thinkSend Feedback to: mitsup@Microsoft.com

Summary

The ASP.NET Mobile Controls…Makes it easy to build mobile web applications for cell phones, PDAs and pagers

Leverage current investment in the .NET Framework and Visual Studio .NET

Is 3rd party extensible

Questions?Questions?

Ask The ExpertsGet Your Questions Answered

I will be available in the ATE area after this session

Community Resources

Community Resourceshttp://www.microsoft.com/communities/default.mspx

Most Valuable Professional (MVP)http://www.mvp.support.microsoft.com/

NewsgroupsConverse online with Microsoft Newsgroups, including Worldwidehttp://www.microsoft.com/communities/newsgroups/default.mspx

User GroupsMeet and learn with your peershttp://www.microsoft.com/communities/usergroups/default.mspx

evaluationsevaluations

© 2003 Microsoft Corporation. All rights reserved.© 2003 Microsoft Corporation. All rights reserved.This presentation is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, IN THIS SUMMARY.This presentation is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, IN THIS SUMMARY.