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id = int.Parse(Request.QueryString["id"]);
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int id = 0;
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protected void btncancel_Click(object sender, EventArgs e)
{
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}
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Response.Cookies["username"].Value="gjy";
Response.Cookies["username"].Expires=DateTime.Now.AddDays(1);
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System.Web.HttpCookie newcookie=new HttpCookie("username");
newcookie.Value="gjy";
newcookie.Expires=DateTime.Now.AddDays(1);
Response.AppendCookie(newcookie);
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