I have installed .Net beta 2 and trying to send complex class. string, int works fine but when serializing a complex class it does't work. Is there anyone that have an example of a client proxy that serialize and deserialize complex classes ? Vänliga hälsningar Peter Iderup PALETT HRM AB Kattsundsgatan 15 BOX 4239 203 13 Malmö Tel 040-6615500