public async Task <IActionResult> UpdateParameter([DataSourceRequest] DataSourceRequest request, DiagnosticsQueryParameterViewModel viewModel)
        {
            var model = db.DiagnosticsQueryParameters.First(n => n.DiagnosticsQueryParameterId == viewModel.DiagnosticsQueryParameterId);

            if (ModelState.IsValid)
            {
                await this.TryUpdateModelAsync <DiagnosticsQueryParameterViewModel, TQueryParameter>(model, "", m => { return(m.ElementType == null); });

                await db.SaveChangesAsync();
            }

            return(Json(await new[] { model.ToViewModel <TQueryParameter, DiagnosticsQueryParameterViewModel>() }.ToDataSourceResultAsync(request, ModelState)));
        }
        public async Task <IActionResult> DestroyParameter([DataSourceRequest] DataSourceRequest request, DiagnosticsQueryParameterViewModel viewModel)
        {
            var model = db.DiagnosticsQueryParameters.First(n => n.DiagnosticsQueryParameterId == viewModel.DiagnosticsQueryParameterId);

            if (ModelState.IsValid)
            {
                db.DiagnosticsQueryParameters.Remove(model);
                await db.SaveChangesAsync();
            }

            return(Json(await new[] { viewModel }.ToDataSourceResultAsync(request, ModelState)));
        }