a = Math.random();
b= Math.random();
az = Math.round(a);
bz = Math.round(b);
var chooseoperator = ['+','-','*','/'];
var operator = chooseoperator[Math.floor(Math.random() *chooseoperator.len
如何验证&可能收取信用卡详细信息服务器端(在下面的创建功能),而不将这些详细信息保存到数据库。 创建的ActionResult public ActionResult Create()
{
var model = new Payment();
model.ValidFrom = DateTime.Now;
return View(new Payment());