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SqlData da = new SqlData();
        SqlDataReader read = da.ExceRead("select * from tb_Admin where AdminName='" + this.txtName.Text + "'");
        read.Read();
        if (read.HasRows)
        {
            this.TextBox1.Text= read["AdminName"].ToString();
            if (this.txtName.Text == read["AdminName"].ToString())
            {
                Response.Write(" <script language=javascript>alert('¶Ô²»Æ𣬸ÃÓû§ÒѾ­×¢²á£¡');location='admin_lt_add.aspx' </script>");
                return;
            }
        }
        read.Close();

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