Dropdown selection displaying "SYSTEM.RUNTIME.SERIALIZATION.EXTENSIONDATAOBJECT"

[Bill Fuller]

I have a dropdown combo box where the DataSource is bound to a CSLA BO
returned from a WCF call. The dropdown list looks fine, but selecting an
item returns "SYSTEM.RUNTIME.SERIALIZATION.EXTENSIONDATAOBJECT" (which seems
to be related to WCF somehow) and I am not sure how to debug this. Does
anyone know what might cause such a wierd behavior and how to fix it?

 

[Chris F]

Can you show your binding code?

Is this a ASP or Winform?

What line of code gives you the error?

Thanks
Chris

 

[Bill Fuller]

CompanyWinApp.CustomerSvc.CustomerClient _custList = new
CompanyWinApp.CustomerSvc.CustomerClient();

try
{
ucCustomer.DataSource =
_custList.GetCustomer(ucCustomer.Textbox.Text.ToUpper());
[...]
}

The dropdown list returned from the WCF call and bound to the control looks
fine, but selecting any of the rows returns the "SYSTEM.RUNTIME..." for some
reason.

(BTW... it is a WinForms app)