private void LoadStateNameByCountryId() { State.StateWebService objWebService = new State.StateWebService(); int countryID; bool parseOK = Int32.TryParse(cmbCountryName.SelectedValue.ToString(), out countryID); cmbStateName.DataSource = objWebService.StateNameGetByCountryID(countryID, TokenCleintEncrypt.Encrypt(ClientTokenBuilder.BuildTokens())); cmbStateName.ValueMember = "StateID"; cmbStateName.DisplayMember = "StateName"; }