public ActionResult storeVariables(long Id, storeVariableStruct[] variables)
        {
            DataStructureManager dataStructureManager = new DataStructureManager();
            StructuredDataStructure dataStructure = dataStructureManager.StructuredDataStructureRepo.Get(Id);
            MessageModel returnObject = new MessageModel();
            MessageModel messageModel = MessageModel.validateDataStructureInUse(dataStructure.Id, dataStructure);
            if (messageModel.hasMessage)
            {
                foreach (Variable v in dataStructure.Variables)
                {
                    if (variables.Select(svs => svs.Id).ToList().Contains(v.Id))
                    {
                        v.Description = variables.Where(svs => svs.Id == v.Id).FirstOrDefault().Description;
                        dataStructure = dataStructureManager.UpdateStructuredDataStructure(dataStructure);
                    }
                }
                return PartialView("_messageWindow", messageModel);
            }

            if (variables != null && variables.Count() > 0)
            {
                Variable variable = new Variable();
                List<long> order = new List<long>();

                foreach (Variable v in dataStructure.Variables)
                {
                    if (!variables.Select(svs => svs.Id).ToList().Contains(v.Id))
                        dataStructureManager.RemoveVariableUsage(v);
                }

                foreach (storeVariableStruct svs in variables.Where(svs => svs.Id == 0).ToList())
                {
                    if (svs.Lable == null)
                        svs.Lable = "";
                    if (svs.Description == null)
                        svs.Description = "";

                    DataAttribute dataAttribute = new DataContainerManager().DataAttributeRepo.Get(svs.AttributeId);
                    if (dataAttribute != null)
                    {
                        variable = dataStructureManager.AddVariableUsage(dataStructure, dataAttribute, svs.isOptional, svs.Lable.Trim(), null, null, svs.Description.Trim(), new UnitManager().Repo.Get(svs.UnitId));
                        svs.Id = variable.Id;
                    }
                    else
                    {
                        returnObject = new MessageModel()
                        {
                            hasMessage = true,
                            Message = "Not all Variables are stored.",
                            CssId = "0"
                        };
                    }
                }
                dataStructure = dataStructureManager.StructuredDataStructureRepo.Get(Id);

                variables = variables.Where(v => v.Id != 0).ToArray();

                foreach (storeVariableStruct svs in variables.Where(svs => svs.Id != 0).ToList())
                {
                    if (svs.Lable == null)
                        svs.Lable = "";
                    if (svs.Description == null)
                        svs.Description = "";

                    variable = dataStructure.Variables.Where(v => v.Id == svs.Id).FirstOrDefault();
                    if (variable != null)
                    {
                        variable.Label = svs.Lable.Trim();
                        variable.Description = svs.Description.Trim();
                        variable.Unit = new UnitManager().Repo.Get(svs.UnitId);
                        variable.DataAttribute = new DataContainerManager().DataAttributeRepo.Get(svs.AttributeId);
                        variable.IsValueOptional = svs.isOptional;
                    }
                }

                dataStructure = dataStructureManager.UpdateStructuredDataStructure(dataStructure);
                DataStructureIO.setVariableOrder(dataStructure, variables.Select(svs => svs.Id).ToList());
            }
            else
            {
                foreach (Variable v in dataStructure.Variables)
                {
                    dataStructureManager.RemoveVariableUsage(v);
                }
            }
            LoggerFactory.LogCustom("Variables for Data Structure " + Id + " stored.");
            return Json(returnObject, JsonRequestBehavior.AllowGet);
        }