linq Inner Joins c#

linq Inner Joins

private void InnerJoins()
        {
            Tag = "Inner Joins";
            Person bhaumik = new Person { FirstName = "Bhaumik", LastName = "Patel" };
            Person hardik = new Person { FirstName = "Hardik", LastName = "Patel" };
            Person manan = new Person { FirstName = "Manan", LastName = "Bhavsar" };
            Person vishal = new Person { FirstName = "Vishal", LastName = "Gorasia" };

            Pet patel = new Pet { Name = "Patel", Owner = hardik };
            Pet hardik1 = new Pet { Name = "Hardik", Owner = hardik };
            Pet sonu = new Pet { Name = "Sonu", Owner = manan };
            Pet gorasia = new Pet { Name = "Gorasia", Owner = hardik };
            Pet patel1 = new Pet { Name = "Patel", Owner = bhaumik };

            // Create two lists.
            List<Person> people = new List<Person> { bhaumik, hardik, manan, vishal };
            List<Pet> pets = new List<Pet> { patel, hardik1, sonu, gorasia, patel1 };

            var query = from person in people
                        join pet in pets on person equals pet.Owner
                        select new { OwnerName = person.FirstName, PetName = pet.Name };

            grdView.DataSource = query.ToList();
            grdView.DataBind();
        }

Person and Pet Class

class Person
    {
        public string FirstName { get; set; }
        public string LastName { get; set; }
    }

    class Pet
    {
        public string Name { get; set; }
        public Person Owner { get; set; }
    }

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