重定向实例

1.Server.Transfer

        //内部重定向到静态资源

        protected void Button1_Click(object sender, EventArgs e)

        {

            Server.Transfer("~/img/1.jpg");

            Response.Write("此后的代码不会执行");



            string filename = LocalPathHelper.DesktopPath + "/text.txt";

            FileStream stream = File.Create(filename);

            stream.Close();

        }



        //内部重定向到动态页面

        protected void Button2_Click(object sender, EventArgs e)

        {

            //追加参数,url方式

            Server.Transfer("~/view/LoginTwo.aspx?username=admin");





            //追加headers

            NameValueCollection coll = new NameValueCollection();

            coll.Add("adf", "1234");

            Server.TransferRequest("~/view/LoginTwo.aspx", true, "POST", coll);





            //不能请求外域

            //Server.Transfer("http://www.baidu.com");

        }

2.Response.Redirect

        //请求外域

        protected void Button1_Click(object sender, EventArgs e)

        {

            Response.Redirect("http://www.baidu.com");

        }



        //带参数传递

        protected void Button2_Click(object sender, EventArgs e)

        {

            //url方式指定参数

            Response.Redirect("~/view/LoginTwo.aspx?username=admin");



            //永久重定向

            Response.RedirectPermanent("~/view/LoginTwo.aspx?username=admin");

        }



        //请求静态资源

        protected void Button3_Click(object sender, EventArgs e)

        {

            Response.Redirect("~/img/1.jpg");

        }