private void Seeder() { Doctor doc1 = new Doctor { Name = "Josef Elevarde" }; Doctor doc2 = new Doctor { Name = "Monique Applehouse" }; Doctor doc3 = new Doctor { Name = "Gregor Buzkevich" }; Doctors.AddRange(new[] { doc1, doc2, doc3 }); Disease dis1 = new Disease { Name = "Cancer" }; Disease dis2 = new Disease { Name = "Covid" }; Disease dis3 = new Disease { Name = "Malaria" }; Diseases.AddRange(new[] { dis1, dis2, dis3 }); Department dep1 = new Department { Name = "Allergology" }; Department dep2 = new Department { Name = "Intensive Therapy" }; Department dep3 = new Department { Name = "Cardiology" }; Departments.AddRange(new[] { dep1, dep2, dep3 }); Patient pat1 = new Patient { FName = "Brann", LName = "Tannard", MName = "Messia", Phone = "+17644440811", Dob = new DateTime(1977, 05, 15), Department = dep1, Disease = dis1, Doctor = doc1 }; pat1.Histories.Add(new History { Department = dep1, Disease = dis1, Doctor = doc1, Start = new DateTime(2020, 02, 02), End = new DateTime(2020, 04, 22) }); Patients.Add(pat1); Patient pat2 = new Patient { FName = "Hugo", LName = "Moss", MName = "Pherine", Phone = "+17602993434", Dob = new DateTime(1990, 08, 11), Department = dep2, Disease = dis3, Doctor = doc3 }; pat2.Histories.Add(new History { Department = dep2, Disease = dis3, Doctor = doc3, Start = new DateTime(2020, 05, 10), End = new DateTime(2020, 07, 01) }); Patients.Add(pat2); Patient pat3 = new Patient { FName = "Jericho", LName = "Estrasa", MName = "Puerre", Phone = "+17602200011", Dob = new DateTime(1978, 01, 01), Department = dep3, Disease = dis2, Doctor = doc2 }; pat3.Histories.Add(new History { Department = dep3, Disease = dis2, Doctor = doc2, Start = new DateTime(2020, 05, 02), End = new DateTime(2020, 05, 29) }); Patients.Add(pat3); SaveChanges(); }