public ActionResult Index(string invitationCode)
        {
            //Get the subdomain (if exists) for the site
            string accountNameKey = Common.GetSubDomain(Request.Url);

            if (String.IsNullOrEmpty(accountNameKey))
            {
                return(Content("No account specified."));
            }


            if (invitationCode == null)
            {
                return(Content("ERROR: No verification code present."));
            }
            else
            {
                try
                {
                    UserInvitation invitedUser = null;

                    var accountManagementServiceClient = new AccountManagementService.AccountManagementServiceClient();

                    try
                    {
                        accountManagementServiceClient.Open();
                        invitedUser = accountManagementServiceClient.GetAccountUserInvitation(accountNameKey, invitationCode, Common.SharedClientKey);

                        //Close the connection
                        WCFManager.CloseConnection(accountManagementServiceClient);
                    }
                    catch (Exception e)
                    {
                        #region Manage Exception

                        string exceptionMessage = e.Message.ToString();

                        var    currentMethod       = System.Reflection.MethodBase.GetCurrentMethod();
                        string currentMethodString = currentMethod.DeclaringType.FullName + "." + currentMethod.Name;

                        // Abort the connection & manage the exception
                        WCFManager.CloseConnection(accountManagementServiceClient, exceptionMessage, currentMethodString);

                        return(Content(WCFManager.UserFriendlyExceptionMessage));

                        #endregion
                    }



                    if (invitedUser == null)
                    {
                        return(Content("Not a valid invitation key, or key has expired"));
                    }
                    else
                    {
                        var creatUser = new CreateUserFromInvitationModel();

                        creatUser.AccountNameKey = accountNameKey;
                        creatUser.InvitationCode = invitedUser.InvitationKey;
                        creatUser.Email          = invitedUser.Email;
                        creatUser.FirstName      = invitedUser.FirstName;
                        creatUser.LastName       = invitedUser.LastName;
                        creatUser.Role           = invitedUser.Role;
                        creatUser.Owner          = invitedUser.Owner;

                        return(View(creatUser));
                    }
                }
                catch (Exception e)
                {
                    return(Content("ERROR: " + e.Message));
                }
            }
        }