1 DataAnalysisContext context = new DataAnalysisContext();
 2 DateTime date1, date2, date3;            
 3 for (int i = 0; i < 10; i++)
 4 {                
 5     date1 = DateTime.Now;
 6     for (int j = 0; j < 1000; j++)
 7     {
 8         context.VisitLogs.Add(new VisitLog());
 9     }
10     date2 = DateTime.Now;
11     context.SaveChanges();
12     date3 = DateTime.Now;
13     Console.WriteLine("Add:{0},Save:{1}", (int)(date2 - date1).TotalMilliseconds, (int)(date3 - date2).TotalMilliseconds);
14 }