public void ProcessRequest(HttpContext context)
 {
     DataModel dm = new DataModel();
     InstOrder lt = new InstOrder();
     lt.InstOrderID = Convert.ToInt32(context.Request.Params["InstOrderID"]);
     lt.InstOrderLab = Convert.ToInt32(context.Request.Params["InstOrderLab"]);
     lt.InstOrderIns = Convert.ToInt32(context.Request.Params["InstOrderIns"]);
     lt.InstOrderAmount = Convert.ToInt32(context.Request.Params["InstOrderAmount"]);
     dm.SaveInstOrder(lt);
     dm.ReturnJsonMsg(context.Response, 1, "保存成功!", lt.InstOrderID);
 }