Android 1.6 ksoap2 -java.lang.RuntimeException: Cannot serialize: java.util.GregorianCalendar -Error while passing datetiem parameter

Question

Hi, I soppose to call .net web services in android using ksoap2 api. My code is working well for passing parameter as String or int. But it showing "java.lang.RuntimeException: Cannot serialize: java.util.GregorianCalendar....." while passing Calendar object as parameter. I converted date into string and parsed it into date object but it is not woriking.

Anybody help me.

Thank you.