If I write:
modelBuilder.Entity<Cart>()
.HasOne(entity => entity.ApplicationUser)
.WithOne(applicationUser => applicationUser.Cart)
.IsRequired();
which property can't be null Cart.ApplicationUser
xor ApplicationUser.Cart
?
CodePudding user response:
In the code snippet you provided, both the Cart.ApplicationUser
and ApplicationUser.Cart
properties cannot be null. This is because the IsRequired method specifies that the relationship is required, meaning that both sides of the relationship must have a non-null value. If you only want one of the properties to be required, you can remove the IsRequired
method or use a different method, such as IsOptional
, to specify that the other property is allowed to be null.