5 работает!!!

SoftwareInstallation/SoftwareInstallationFileImplement/OrderStorage.cs

@@ -50,12 +50,10 @@ namespace SoftwareInstallationFileImplement.Implements
             return source.Orders.Where(x => (
                         (!model.Id.HasValue || x.Id == model.Id) &&
                         (!model.DateFrom.HasValue || x.DateCreate >= model.DateFrom) &&
-                        (!model.DateTo.HasValue || x.DateCreate <= model.DateTo) &&
-                        (!model.ClientId.HasValue || x.ClientId == model.ClientId)
+                        (!model.DateTo.HasValue || x.DateCreate <= model.DateTo)
                     )
                 )
                 .Select(x => GetPackageName(x.GetViewModel))
-                .Select(GetClientName)
                 .ToList();
         }
 

SoftwareInstallation/SoftwareInstallationListImplement/OrderStorage.cs

@@ -54,14 +54,15 @@ namespace SoftwareInstallationListImplement.Implements
         public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
         {
             var result = new List<OrderViewModel>();
+
             foreach (var order in _source.Orders)
             {
                 if ((!model.Id.HasValue || order.Id == model.Id) &&
-                        (!model.DateFrom.HasValue || order.DateCreate >= model.DateFrom) &&
-                        (!model.DateTo.HasValue || order.DateCreate <= model.DateTo) &&
-                        (!model.ClientId.HasValue || order.ClientId == model.ClientId)) ;
+                        (!model.DateFrom.HasValue || order.DateCreate >= model.DateFrom)
+                        && (!model.DateTo.HasValue || order.DateCreate <= model.DateTo))
+
                 {
-                    result.Add(GetClientName(GetViewModelName(order.GetViewModel)));
+                    result.Add(GetViewModelName(order.GetViewModel));
                 }
             }
             return result;
@@ -72,7 +73,7 @@ namespace SoftwareInstallationListImplement.Implements
             var result = new List<OrderViewModel>();
             foreach (var order in _source.Orders)
             {
-                result.Add(GetClientName(GetViewModelName(order.GetViewModel)));
+                result.Add(GetViewModelName(order.GetViewModel));
             }
             return result;
         }
@@ -114,17 +115,17 @@ namespace SoftwareInstallationListImplement.Implements
 
             return null;
         }
-        private OrderViewModel GetViewModelName(OrderViewModel viewModel)
+        private OrderViewModel GetViewModelName(OrderViewModel model)
         {
             foreach (var package in _source.Packages)
             {
-                if (package.Id == viewModel.PackageId)
+                if (package.Id == model.PackageId)
                 {
-                    viewModel.PackageName = package.PackageName;
+                    model.PackageName = package.PackageName;
                     break;
                 }
             }
-            return viewModel;
+            return model;
         }
 
         private OrderViewModel GetClientName(OrderViewModel viewModel)