[WebApiUtils] Fixed AddDbo

WebApiUtils/BusinessManager/SqlServerManager.cs

         /// Convert a DBO to DB object
         /// </summary>
         /// <param name="obj">The object to be converted</param>
+        /// <param name="add">The object to be added</param>
         /// <returns>The DB object</returns>
-        public abstract OpResult<TDbObject> DboAddToDb(TDboAdd obj);
+        public abstract OpResult<bool> DboAddToDb(TDboAdd obj, TDbObject add);
+
+        /// <summary>
+        /// Convert a DBO to DB object
+        /// </summary>
+        /// <param name="obj">The object to be converted</param>
+        /// <param name="edit">The object beeing edited</param>
+        /// <returns>The DB object</returns>
+        public abstract OpResult<bool> DboEditToDb(TDboEdit obj, TDbObject edit);
 
         /// <summary>
         /// Return a global predicate that will be applied to all selects
             return x => true;
         }
 
-        /// <summary>
-        /// Convert a DBO to DB object
-        /// </summary>
-        /// <param name="obj">The object to be converted</param>
-        /// <param name="edit">The object beeing edited</param>
-        /// <returns>The DB object</returns>
-        public abstract OpResult<TDbObject> DboEditToDb(TDboEdit obj, TDbObject edit);
-
         /// <summary>
         /// Helper to get real select predicate
         /// </summary>
         /// Helper to convert DBO object to DB
         /// </summary>
         /// <param name="res">The result to convert</param>
+        /// <param name="add">The object to be added</param>
         /// <returns>The DB object</returns>
-        public static OpResult<TDbObject> DboAddToDbStatic(TDboAdd res)
+        public static OpResult<bool> DboAddToDbStatic(TDboAdd res, TDbObject add)
         {
             var obj = new TThis();
-            return obj.DboAddToDb(res);
+            return obj.DboAddToDb(res, add);
         }
 
         /// <summary>
         /// <param name="res">The result to convert</param>
         /// <param name="edit">The object beeing edited</param>
         /// <returns>The DB object</returns>
-        public static OpResult<TDbObject> DboEditToDbStatic(TDboEdit res, TDbObject edit)
+        public static OpResult<bool> DboEditToDbStatic(TDboEdit res, TDbObject edit)
         {
             var obj = new TThis();
             return obj.DboEditToDb(res, edit);
         {
             return Execute((db, table) =>
             {
-                var item = DboAddToDbStatic(obj);
+                var add = table.Create();
+                var item = DboAddToDbStatic(obj, add);
                 if (!item)
                     return item.To<T>();
-                var insertedObj = table.Add(item.Data);
+                table.Add(add);
                 db.SaveChanges();
-                var res = returnFunc.Compile().DynamicInvoke(insertedObj);
+                var res = returnFunc.Compile().DynamicInvoke(add);
                 return OpResult<T>.Ok((T)res);
             });
         }
                 var res = DboEditToDbStatic(obj, edit.Data);
                 if (!res)
                     return res.To<bool>();
-                db.Entry(edit.Data).CurrentValues.SetValues(res.Data);
+                db.Entry(edit.Data).CurrentValues.SetValues(edit.Data);
                 db.SaveChanges();
                 return OpResult<bool>.Ok(true);
             });