public bool DeleteStudent(tblStudent tblstudobj, tblStudentHistory tblstudhisobj { bool result = false; using (StudentInformationSystemEntities db = new StudentInformationSystemEntities()) { StudentModel student = db.tblStudent.Where(x => x.ID == tblstudobj.ID).Select(x => x).FirstOrDefault(); db.tblStudent.DeleteObject(student); db.SaveChanges(); result = true; } return result; }