'Error serializing body'. Problem calling Fedex webservice through .NET 3.5

Question

I\'m using Fedex\'s web services and getting an annoying error right up front before I can actually get anywhere.

There was an error in serializing body of message a

Answer 1

Note: To access the Reference.cs file that Simon_Weaver is referring to, open the project in visual studio, and in the Solution Explorer, click on the Web Reference and then look at the little icons at the top of Solution Explorer. Click the "Show All Files" icon to show hidden files. Now expand the web reference, then expand the Reference.map inside, and finally you will see Reference.cs which you can edit, replacing [][] with []

Do not confuse this Reference.cs with the Reference.cs you may have obtained from Fedex when downloading their sample code.