‫ایجاد ایندکس منحصربفرد در EF Code first به صورت Fluent API

public class SubCategory : BaseEntity
{
        public string Title { get; set; }
        [ForeignKey("CategoryId")]
        public virtual Category Category { get; set; }
        public Guid CategoryId { get; set; }
}

public class SubCategoryConfiguration : EntityTypeConfiguration<SubCategory>
 {
        public SubCategoryConfiguration()
        {
            Property(p => p.CategoryId).HasColumnAnnotation("Index", new IndexAnnotation(new IndexAttribute("AK_SubCategory", 1){ IsUnique = true}));
            Property(p => p.Title).HasMaxLength(30).IsRequired().HasColumnAnnotation("Index", new IndexAnnotation(new IndexAttribute("AK_SubCategory", 2){ IsUnique = true}));
            Property(so => so.RowVersion).IsRowVersion();
        }
}