Based on culture name from english keyboard how can i type other language in c#

In C# web application, I have a drop down with culture names and a text box , now based on culture name from drop down i want to enter text in text box in that language only ,

suppose from drop down culture name is selected "de-DE" so when i enter value in text box the value will be in dutch language, But it won't effect the whole application.

Please give开发者_如何学Python some idea how can i work on it.

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This might give you the idea of localization.

This one for the .Net 4.0 help.