哪错了？（asp.net cookie）

if (Request.Cookies["Visit"] == null)
{
HttpCookie mycookie = new HttpCookie("Visit");
mycookie["LastVisit"] = DateTime.Now.ToString();
int vnumber=1;
mycookie["VisitNumber"] = vnumber.ToString();
mycookie.Expires = DateTime.Now.AddDays(30);
Response.Cookies.Add(mycookie);
LBLastVisit.Text = "没有记录，这是首次访问";
}
else
{
int vnumber = Convert.ToInt32(Request.Cookies["Visit"]["VisitNumber"].ToString())+1;
LBLastVisit.Text = Request.Cookies["Visit"]["LastVisit"].ToString();
LBvnumber.Text = "访问量：" + vnumber.ToString();
Request.Cookies["Visit"]["VisitNumber"] = vnumber.ToString();

else
{
int vnumber = int.Parse(Request.Cookies["Visit"]["VisitNumber"].ToString())+1;
LBLastVisit.Text = Request.Cookies["Visit"]["LastVisit"].ToString();
LBvnumber.Text = "访问量：" + vnumber.ToString();
Request.Cookies["Visit"]["VisitNumber"] = vnumber.ToString();
Request.Cookies["Visit"]["LastVisit"] = DateTime.Now.ToString();
Response.Cookies["Visit"].Expires = DateTime.Now.AddDays(30);
}

asp.net C#的问题，错哪了 ASP.NET 报错 asp.net急救了，谢谢各位了！ ASP。NET ASP.NET? Asp.net？ ASP.net?? 安装了VB.NET，打开发现里面没有ASP.NET！！ 为什么我无法调试ASP.NET了? 求救：asp.net案例打不开了。