Update demo

Src/Asp.Net/SqlServerTest/Demo/Demo8_Saveable.cs

@@ -32,7 +32,7 @@ namespace OrmTest
 
             //insert or update
             var x1 = db.Storageable<Order>(new Order() { Id = 1, Name = "jack" }).ExecuteCommand();
-
+            var x11 = db.Storageable<Order>(new Order() { Id = 1, Name = "jack" }).ExecuteCommandAsync().GetAwaiter().GetResult();
             //insert or update
             var x= db.Storageable<Order>(new Order() { Id=1, Name="jack" }).ToStorage();
             x.AsUpdateable.ExecuteCommand();