protected void btnDelete_Click(object sender, EventArgs e)
{
Button bt = (Button)sender;
int userid = Convert.ToInt32(((HiddenField)(bt.Parent.FindControl("HiddenField2"))).Value);
if (NoticeManager.deleteID(userid) > 0)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "message", "<script language='javascript' >alert('删除成功！');</script>");
BindNotice();
}
}