退出登录，清除Session
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protected void Button1_Click(object sender, EventArgs e)
2
{
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if (Session["UserName"] != null)
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{
5 Session.Remove("UserName");
6 Session.RemoveAll();
7 Response.Cookies["UserName"].Expires = DateTime.Now;
8
}
9 Page.RegisterStartupScript("","<script>window.top.document.location.href='index.aspx';</script>");
10
}
protected void Button1_Click(object sender, EventArgs e)2
{
3
if (Session["UserName"] != null)4
{
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Session.Remove("UserName");6
Session.RemoveAll();7
Response.Cookies["UserName"].Expires = DateTime.Now;8
}9
Page.RegisterStartupScript("","<script>window.top.document.location.href='index.aspx';</script>");10
}