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protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
txbY.Text = Convert.ToString(Session["Name"]);
}
}
protected void btn_Click(object sender, EventArgs e)
{
Session["Name"] = txbY.Text.Trim();
Session["URL"] = "Default.aspx";
Response.Redirect("UnBack.aspx");
}
private void UnBack() // 防后退函数,强制不缓存页面。
{
Response.Buffer = true;
Response.ExpiresAbsolute = System.DateTime.Now.AddSeconds(-1);
Response.Expires = 0;
Response.CacheControl = "no-cache";
}
protected void Page_Load(object sender, EventArgs e)
{
UnBack(); // 防后退,放在 page_load 里面。
string url = "<meta http-equiv=\"refresh\" content=\"1;url=" + Convert.ToString(Session["URL"]) + "\">";
Response.Write(url);
}