求分类json,各位大侠。

   哪位大侠，有这种模式的json 求一份。




{ds1:[{"id":1,"latitude":40,"longitude":118,"name":"北京"},
      {"id":1,"latitude":45,"longitude":112,"name":"北京"},
      {"id":1,"latitude":46,"longitude":115,"name":"北京"},
     ]}
{ds2:[{"id":3,"latitude":46,"longitude":121,"name":"上海"},
      {"id":3,"latitude":48,"longitude":125,"name":"上海"}
]}



  --------------------编程问答--------------------

补充：.NET技术 ,  C#