public static Customer Update(Customer cus)
{
BookRegContext context = new BookRegContext();
context.Entry(cus).State = EntityState.Modified;
context.SaveChanges();
return(cus);
}
public static Customer AddCustomer(Customer cus)
{
BookRegContext context = new BookRegContext();
context.Customer.Add(cus);
context.SaveChanges();
return(cus);
}
public static Book AddBook(Book boo)
{
BookRegContext context = new BookRegContext();
// Create insert query
// Adds insert to a list of pending queries
context.Book.Add(boo);
// Executes all pending queries
context.SaveChanges();
return(boo);
}
public static void DeleteCustomer(Customer cus)
{
BookRegContext context = new BookRegContext();
// Saying cus exists in the DB
context.Customer.Attach(cus);
// Removing cus from the DB
context.Customer.Remove(cus);
// Alternative
// context.Entry(cus).State = EntityState.Deleted;
context.SaveChanges();
}
