i have a wpf application with a combobox and a button.
i need to populate this combobox with values from the NorhtWind db - Customers table - filed :city.
so i need to click the button, call the web service and populate the combobox with the cities from the customer table.
I use c#. i need the method that returns the cities in the web service.
and then how to call this service to populate the combobox with data
urgent help needed.