/// <summary>
        /// 密码校验
        /// </summary>
        /// <param name="Passwd"></param>
        /// <returns></returns>
        protected bool CheckPasswd(string Passwd)
        {
            string SQLString = string.Format("select user_passwd from tb_userinformation where user_name = \"Admin\";");

            try
            {
                DataTable Table = frm_Main.DataBase.SelectTable(SQLString);

                if (Data.GetMD5String(Passwd).Equals(Table.Rows[0][0].ToString()))
                {
                    return(true);
                }

                return(false);
            }
            catch (Exception)
            {
                throw;
            }
        }