public void Add(Student student) { lock (student) { if (Count == StudentId.Length) { var newLength = StudentId.Length + 1000; var _StudentId = new string[newLength]; StudentId.CopyTo(_StudentId); StudentId = _StudentId; var _IndexNumber = new string[newLength]; IndexNumber.CopyTo(_IndexNumber); IndexNumber = _IndexNumber; var _ReferenceNumber = new string[newLength]; ReferenceNumber.CopyTo(_ReferenceNumber); ReferenceNumber = _ReferenceNumber; var _Surname = new string[newLength]; Surname.CopyTo(_Surname); Surname = _Surname; var _Othernames = new string[newLength]; Othernames.CopyTo(_Othernames); Othernames = _Othernames; var _Title = new string[newLength]; Title.CopyTo(_Title); Title = _Title; var _Gender = new string[newLength]; Gender.CopyTo(_Gender); Gender = _Gender; var _MaritalStatus = new string[newLength]; MaritalStatus.CopyTo(_MaritalStatus); MaritalStatus = _MaritalStatus; var _DateofBirth = new string[newLength]; DateofBirth.CopyTo(_DateofBirth); DateofBirth = _DateofBirth; var _Disability = new bool[newLength]; Disability.CopyTo(_Disability); Disability = _Disability; var _Country = new string[newLength]; Country.CopyTo(_Country); Country = _Country; var _Region = new string[newLength]; Region.CopyTo(_Region); Region = _Region; var _HomeTown = new string[newLength]; HomeTown.CopyTo(_HomeTown); HomeTown = _HomeTown; var _Address1 = new string[newLength]; Address1.CopyTo(_Address1); Address1 = _Address1; var _Address2 = new string[newLength]; Address2.CopyTo(_Address2); Address2 = _Address2; var _Contact1 = new string[newLength]; Contact1.CopyTo(_Contact1); Contact1 = _Contact1; var _Contact2 = new string[newLength]; Contact2.CopyTo(_Contact2); Contact2 = _Contact2; var _PersonalEmail = new string[newLength]; PersonalEmail.CopyTo(_PersonalEmail); PersonalEmail = _PersonalEmail; var _UniversityEmail = new string[newLength]; UniversityEmail.CopyTo(_UniversityEmail); UniversityEmail = _UniversityEmail; var _ResidentialStatus = new string[newLength]; ResidentialStatus.CopyTo(_ResidentialStatus); ResidentialStatus = _ResidentialStatus; var _ProgramOfStudy = new string[newLength]; ProgramOfStudy.CopyTo(_ProgramOfStudy); ProgramOfStudy = _ProgramOfStudy; var _Specialization = new string[newLength]; Specialization.CopyTo(_Specialization); Specialization = _Specialization; var _ProgramStatus = new string[newLength]; ProgramStatus.CopyTo(_ProgramStatus); ProgramStatus = _ProgramStatus; var _Level = new string[newLength]; Level.CopyTo(_Level); Level = _Level; var _StudentType = new string[newLength]; StudentType.CopyTo(_StudentType); StudentType = _StudentType; var _EnrollmentOption = new string[newLength]; EnrollmentOption.CopyTo(_EnrollmentOption); EnrollmentOption = _EnrollmentOption; var _RegistrationStatus = new string[newLength]; RegistrationStatus.CopyTo(_RegistrationStatus); RegistrationStatus = _RegistrationStatus; var _DateOfEntry = new System.DateTime[newLength]; DateOfEntry.CopyTo(_DateOfEntry); DateOfEntry = _DateOfEntry; var _DateOfCompletion = new System.DateTime[newLength]; DateOfCompletion.CopyTo(_DateOfCompletion); DateOfCompletion = _DateOfCompletion; var _Results = new StudentResultDM[newLength];; Results.CopyTo(_Results); Results = _Results; var _RegisteredCourses = new RegisteredCourseDM[newLength]; RegisteredCourses.CopyTo(_RegisteredCourses); RegisteredCourses = _RegisteredCourses; var _EmergencyContact = new EmergencyContactDM[newLength]; EmergencyContact.CopyTo(_EmergencyContact); EmergencyContact = _EmergencyContact; var _Owning = new bool[newLength]; //Owning.CopyTo(_Owning); //Owning = _Owning; //var _FeesBalance = new string[newLength]; //FeesBalance.CopyTo(_FeesBalance); //FeesBalance = _FeesBalance; var _PamentOption = new string[newLength]; PamentOption.CopyTo(_PamentOption); PamentOption = _PamentOption; var _DepartmentId = new string[newLength]; DepartmentId.CopyTo(_DepartmentId); DepartmentId = _DepartmentId; var _State = new int[newLength]; State.CopyTo(_State); State = _State; } StudentId.Span[Count] = student.StudentId; IndexNumber.Span[Count] = student.IndexNumber; ReferenceNumber.Span[Count] = student.ReferenceNumber; Surname.Span[Count] = student.Surname; Othernames.Span[Count] = student.Othernames; Title.Span[Count] = student.Title; Gender.Span[Count] = student.Gender; MaritalStatus.Span[Count] = student.MaritalStatus; DateofBirth.Span[Count] = student.DateofBirth; Disability.Span[Count] = student.Disability; Country.Span[Count] = student.Country; Region.Span[Count] = student.Region; HomeTown.Span[Count] = student.HomeTown; Address1.Span[Count] = student.Address1; Address2.Span[Count] = student.Address2; Contact1.Span[Count] = student.Contact1; Contact2.Span[Count] = student.Contact2; PersonalEmail.Span[Count] = student.PersonalEmail; UniversityEmail.Span[Count] = student.UniversityEmail; ResidentialStatus.Span[Count] = student.ResidentialStatus; ProgramOfStudy.Span[Count] = student.ProgramOfStudy; Specialization.Span[Count] = student.Specialization; ProgramStatus.Span[Count] = student.ProgramStatus; Level.Span[Count] = student.Level; StudentType.Span[Count] = student.StudentType; EnrollmentOption.Span[Count] = student.EnrollmentOption; RegistrationStatus.Span[Count] = student.RegistrationStatus; DateOfEntry.Span[Count] = student.DateOfEntry; DateOfCompletion.Span[Count] = student.DateOfCompletion; //Owning.Span[Count] = student.Owning; //FeesBalance.Span[Count] = student.FeesBalance; PamentOption.Span[Count] = student.PamentOption; DepartmentId.Span[Count] = student.DepartmentId; State.Span[Count]++; Count++; Results.Span[Count] = new StudentResultDM(length); if (student.Results?.Count > 0) { foreach (var t in student.Results) { Results.Span[Count].Add(t); } } EmergencyContact.Span[Count] = new EmergencyContactDM(length); if (student.EmergencyContact?.Count > 0) { foreach (var t in student.EmergencyContact) { EmergencyContact.Span[Count].Add(t); } } RegisteredCourses.Span[Count] = new RegisteredCourseDM(length); if (student.RegisteredCourses?.Count > 0) { foreach (var t in student.RegisteredCourses) { RegisteredCourses.Span[Count].Add(t); } } } }