Fix confronto numero versione: non come stringa ma come obj version

LiMan.DB/Controllers/DbController.cs

@@ -1261,12 +1261,17 @@ namespace LiMan.DB.Controllers
             List<ReleaseModel> dbResult = new List<ReleaseModel>();
             using (LMDbContext localDbCtx = new LMDbContext(_configuration))
             {
+                Version mVers = new Version(MinVers);
                 // calcolo DTO applicativi
                 dbResult = localDbCtx
                     .DbSetReleases
-                    .Where(x => (x.CodApp.ToLower() == CodApp.ToLower()) && x.VersNum.CompareTo(MinVers) > 0)
-                    .OrderBy(o => o.ReleaseDate)
                     .ToList();
+
+                // verifico per il criterio versione...
+                dbResult = dbResult
+                            .Where(x => x.VersVal >= mVers)
+                            .OrderBy(o => o.ReleaseDate)
+                            .ToList();
             }
             return dbResult;
         }

LiMan.DB/DBModels/ReleaseModel.cs

@@ -29,6 +29,20 @@ namespace LiMan.DB.DBModels
         /// </summary>
         public string VersText { get; set; } = "0.1a2";
 
+        /// <summary>
+        /// Versione (calcolata) a partire dal valore Num
+        /// </summary>
+        [NotMapped]
+        public Version VersVal
+        {
+            get => new Version(VersNum);
+            //{
+            //    Version answ = new Version();
+            //    Version.TryParse(VersNum, out answ);
+            //    return answ;
+            //}
+        }
+
         /// <summary>
         /// Data di release
         /// </summary>