public async Task <IActionResult> DeleteKeyResultArea(string empId, string Id)
        {
            ObjectId objId     = new ObjectId(Id);
            var      keyResult = await resultArea.QuerySingle(objId);

            if (keyResult != null)
            {
                resultArea.Delete(objId);

                return(Ok(new { success = true }));
            }
            return(NoContent());
        }