public JsonResult VoidedTicket()
{
int sysNo = 0;
if (!int.TryParse(Request.Params["SysNo"], out sysNo))
{
return(new JsonResult()
{
Data = this.BuildAjaxErrorObject("请输入正确的编号！")
});
}
GroupBuyingFacade.VoidedTicketBySysNo(sysNo);
return(new JsonResult()
{
Data = ""
});
}