//解密
        protected void Button2_Click(object sender, EventArgs e)
        {
            //string sqltext = "SELECT ST_PASSWORD FROM TBDS_STAFFINFOR WHERE ST_CODE ='" + Session["ST_CODE"].ToString() + "'";
            //SqlDataReader dr = DBCallCommon.GetDRUsingSqlText(sqltext);
            Encrypt_Decrypt ed = new Encrypt_Decrypt();

            if (TextBox1.Text.Trim() != "")
            {
                TextBox2.Text = ed.MD5Decrypt(TextBox1.Text, "!@#$%^&*");
            }
        }
        //密码还原
        protected void btnCom_Click(object sender, EventArgs e)
        {
            string          sqltext = "SELECT ST_PASSWORD FROM TBDS_STAFFINFO WHERE ST_CODE ='" + Session["UserID"].ToString() + "'";
            SqlDataReader   dr      = DBCallCommon.GetDRUsingSqlText(sqltext);
            Encrypt_Decrypt ed      = new Encrypt_Decrypt();

            if (dr.Read())
            {
                txtPassword.Text = ed.MD5Decrypt(dr["ST_PASSWORD"].ToString(), "!@#$%^&*");
            }
            dr.Close();
        }