/// <summary>
        /// Gets the business sources.
        /// </summary>
        private void GetBusinessSources()
        {
            ContactServiceClient contactService = null;

            try
            {
                contactService = new ContactServiceClient();
                CollectionRequest collectionRequest = new CollectionRequest();
                BusinessSourceSearchCriteria searchCriteria = new BusinessSourceSearchCriteria();
                BusinessSourceReturnValue returnValue = contactService.BusinessSourceSearch(_logonSettings.LogonId,
                                                        collectionRequest, searchCriteria);
                if (returnValue.Success)
                {
                    _ddlBusinessSource.DataSource = returnValue.BusinessSources.Rows;
                    _ddlBusinessSource.DataTextField = "Description";
                    _ddlBusinessSource.DataValueField = "Id";
                    _ddlBusinessSource.DataBind();
                }
                else
                {
                    throw new Exception(returnValue.Message);
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (contactService != null)
                {
                    if (contactService.State != System.ServiceModel.CommunicationState.Faulted)
                        contactService.Close();
                }
            }
        }