/// <summary>
 /// Adds a genre to the database
 /// </summary>
 /// <param name="gen">the genre to be added</param>
 public void Add(Genre gen)
 {
     using (var ctx = new MovieShopContext())
     {
         ctx.Genres.Add(gen);
         ctx.SaveChanges();
     }
 }
 /// <summary>
 /// Adds a genre to the database
 /// </summary>
 /// <param name="ord">the order to be added</param>
 public void Add(Order ord)
 {
     using (var ctx = new MovieShopContext())
     {
         ctx.Orders.Add(ord);
         ctx.SaveChanges();
     }
 }
 public void Add(Customer cust)
 {
     using(var ctx = new MovieShopContext())
     {
         ctx.Customers.Add(cust);
         ctx.SaveChanges();
     }
 }
 public void Add(Movie movie)
 {
     using(var ctx = new MovieShopContext())
     {
         ctx.Movies.Add(movie);
         ctx.SaveChanges();
     }
 }