添加约会的内容和浏览约会的内容我已经写好了,
        public void AddAppointment()
         {
             FileStream fs = new FileStream("Myfile.txt", FileMode.OpenOrCreate, FileAccess.Write);    
             StreamWriter w = new StreamWriter(fs);
             Console.WriteLine("请输入约会日期与约会的时间的值:");
             DateTime time = Convert.ToDateTime(Console.ReadLine());
             Console.WriteLine("请输入会见人的名称:");
             string name = Console.ReadLine();
             w.Write(name);
             w.Write(time);
             w.Flush();
             w.Close();
             fs.Close();
         }
         public void BrowseAppointment()
         {
             FileStream fs = new FileStream("Myfile.txt", FileMode.OpenOrCreate, FileAccess.Read);
             StreamReader sr = new StreamReader(fs);
             sr.BaseStream.Seek(0, SeekOrigin.Begin);
             string str = sr.ReadLine();
             while (str != null)
             {
                 Console.WriteLine("{0}", str);
                 str = sr.ReadLine();
             }
             sr.Close();
             fs.Close();
        }
就是搜索那个功能不知道如何入手,要求是用户输入约会的日期后就能显示当天所有的约会