Solution
URL Encoding/Decoding is required when sending multi-byte characters such as Japanese from a Web VI to a Web service. Both Web VI and Web Service need to perform these processes, but GWDS and LabVIEW do not have built-in functions.
An alternative is to use .NET functions for web services created in LabVIEW. Web VIs created with GWDS can be executed by embedding JavaScript using
this method .