//common lib
 public bool Insert(footballer_type entity)
 {
     try
     {
         db.footballer_type.Add(entity);
         db.SaveChanges();
         return(true);
     }
     catch (Exception)
     {
         return(false);
     }
 }
 public bool Update(footballer_type entity)
 {
     try
     {
         var info = db.footballer_type.Find(entity.id);
         info.name = entity.name;
         db.SaveChanges();
         return(true);
     }
     catch (Exception)
     {
         return(false);
     }
 }