private static void InsertEmployee() { Employee emp = new Employee { Firstname = "Ordos", Lastname = "Feuermensch", Department = "Zeitlose Insel", Salary = 80 }; using (var context = new PcrmContext()) { var project = context.Projects.Find(1); emp.Projects.Add(project); if (context.Employees.Where(e => e.Firstname.Equals(emp.Firstname)).Any()) { context.Employees.Add(emp); context.SaveChanges(); } } }