Updated the table class files to allow a nullable ad special ID and changed the enum in the new modify record form to a boolean. Added a form to manage ad special keywords, still needs to handle removing them properly.

AdvertsingProfitControl/ActualSale.cs

@@ -30,12 +30,14 @@ namespace AdvertsingProfitControl
 
         public int FkAdItemId { get; set; }
 
-        public int FkAdSpecialId { get; set; }
+        public int? FkAdSpecialId { get; set; }
 
         public int FkDateId { get; set; }
 
         public virtual AdItem AdItem { get; set; }
 
+        public virtual AdSpecial AdSpecial { get; set; }
+
         public virtual WeekEndingDate WeekEndingDate { get; set; }
     }
 }