diff --git a/EgtBEAMWALL.DataLayer/Controllers/ProdController.cs b/EgtBEAMWALL.DataLayer/Controllers/ProdController.cs
index 127d4e6c..b2e00d43 100644
--- a/EgtBEAMWALL.DataLayer/Controllers/ProdController.cs
+++ b/EgtBEAMWALL.DataLayer/Controllers/ProdController.cs
@@ -99,13 +99,27 @@ namespace EgtBEAMWALL.DataLayer.Controllers
 
             var currProd = FindByProdId(ProdId);
 
+            // sel dei proj da aggiornare...
+            var proj2update = dbCtx
+                .ProjList
+                .Where(x => x.ProdDbId == currProd.ProdDbId)
+                .ToList();
+
             // sel delle BTLParts da proj
             var machGroup2del = dbCtx
                 .MachGroupList
-                .Where(x => x.ProdDbId == currProd.ProdDbId);
+                .Where(x => x.ProdDbId == currProd.ProdDbId)
+                .ToList();
 
             try
             {
+                // update proj...
+                foreach (var item in proj2update)
+                {
+                    item.ProdDbId = null;
+                }
+                //// salvo
+                //dbCtx.SaveChanges();
                 // remove from database
                 dbCtx.MachGroupList.RemoveRange(machGroup2del);
                 dbCtx.ProdList.Remove(currProd);