public async Task <ActionResult> Delete(string contactPersonGuid)
        {
            if (string.IsNullOrEmpty(contactPersonGuid))
            {
                return(new BadRequestResult());
            }

            try
            {
                var user             = HttpContext.User;
                var serviceGroupGuid =
                    await UserIdentitInfo.GetUserServiceGroup(user.FindFirstValue(ClaimTypes.NameIdentifier));

                await ContactInfo.ContactPersonDel(contactPersonGuid, serviceGroupGuid);

                return(new OkResult());
            }
            catch (Exception e)
            {
                return(new StatusCodeResult(500));
            }
        }