protected void btnDelete_Click(object sender, EventArgs e)
{
Button bt = (Button)sender;//把button按钮作为事件转化为button
int userid = Convert.ToInt32(((HiddenField)(bt.Parent.FindControl("HiddenField2"))).Value);
if (UserInfoManager.DeleteID(userid) > 0)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "message", "<script language='javascript' >alert('删除成功！');</script>");
BindUsers();//执行完后重新绑定数据
}
}