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ASP.NET MVC Localization

Daniel Fisher | devcoach

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Efficient Communication…

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Agenda

• Loco?lize• Server– Thread Localization– Resource Localization– View Localization

• Client– Jquery Localization

• Summary

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Customer

• "Users should select a language (by clicking e.g. a flag) and information will be presented in the corresponding language."

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Developer

• "If the users clicks on a flag I reload the page and transmit the language as parameter to load the information in the corresponding language."

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The process of localization…

Server

HTTP GET

HTTP 200

HTTP GET (select language)

HTTP 200

HTTP GET

HTTP 200

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Customer

• "Users should select a language (by clicking e.g. a flag) and information will be presented in the corresponding language. The selection should be maintained as long as the user browses out site!"

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The process of localization…

Server

HTTP GET

HTTP 200

HTTP GET (select language)

HTTP 200

HTTP GET

HTTP 200

STATE

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Code

var language = Session["Language"] ?? Request.QueryString["lang"];

if(!string.IsNullOrWhitespace(language ){ Session["Language"] = language ;}

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Requirements

• Customer: Information should be presented in the language requested if possible.

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Wait… that is part of HTTP

• RFC2295: Transparent Content Negotiation in HTTP– http://gewis.win.tue.nl/~koen/conneg/rfc

2295.txt

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devcoach.comIn the beginning there was

nothing…

…God said, 'Let there be URI!'

And there was URI. 

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HTTP://LOCALHOST/EN/DEMO1

Thread Localization

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Resource Localization

• The .NET Way– *.resx– *.de.resx–…

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Resource Localization

• The ASP.NET Web Forms Way– [Page/

Control].GetGlobalResourceObject(…)– [Page/

Control].GetLocalResourceObject(…)–<asp:Button ID="btnSubmit"

runat="server" Text="<%$ Resources:btnSubmit.Text %>" />

–<asp:Button ID="btnSubmit" runat="server" meta:resourcekey="btnSubmit" />

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Resource Localization Tools

• Zeta Resource Editor?

• Kein ASP.NET? WPF?– NLocalize ;-)• http://www.nlocalize.de• Auch hier Sponsor!

devcoach.comResource Localization

Extensibility

ASP.NET

ResourceProviderFactory

ResourceProvider

ResourceReader

Your Code

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HTTP://LOCALHOST/EN/DEMO2

Resource Localization

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HTTP://LOCALHOST/EN/DEMO3

View Localization

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HTTP://LOCALHOST/EN/DEMO4

jQuery Plugins Localization

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THX C U @LENNYBACON