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How to Upload and Download Files in an Web Dynpro for Java Application

In this tutorial you learn how to download and upload files within Web Dynpro applications by utilizing the dictionary type Resource and its related Web Dynpro APIs IWDResource and WDResourceFactory which are available since SAP NetWeaver 04s. In contrast to the dynamic type modification of a binary context attribute in SAP NetWeaver 04, the dictionary simple type Resource yields a fully declarative, zero coding data transport of download and upload resources between Web Dynpro client and controller context on server side.

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