/// <summary>
        /// 添加数据
        /// </summary>
        /// <param name="materielInfo"></param>
        /// <returns></returns>
        public bool InsertInfo(MaterielInfo materielInfo)
        {
            string sqlstr = string.Format("INSERT INTO Materiel VALUES('{0}',{1},{2},'{3}',{4},{5},'{6}',{7},'{8}','{9}')",
                                          materielInfo.ID,
                                          materielInfo.Partition.PID,
                                          materielInfo.unit.UID,
                                          materielInfo.MName,
                                          materielInfo.PuPrice,
                                          materielInfo.SaPrice,
                                          materielInfo.Specifications,
                                          materielInfo.Number,
                                          materielInfo.FirstDate,
                                          materielInfo.LastDate);

            return(DBHelper.Update(sqlstr));
        }
        /// <summary>
        /// 数据更新
        /// </summary>
        /// <param name="materielInfo"></param>
        /// <param name="MID"></param>
        /// <returns></returns>
        public bool UpdateInfo(MaterielInfo materielInfo, string MID)
        {
            string sqlstr = string.Format("UPDATE Materiel SET PID={0},UID={1},MName='{2}',PuPrice={3},SaPrice={4}," +
                                          "Specifications='{5}',Number={6},LastDate='{7}'  WHERE ID='{8}'",
                                          materielInfo.Partition.PID,
                                          materielInfo.unit.UID,
                                          materielInfo.MName,
                                          materielInfo.PuPrice,
                                          materielInfo.SaPrice,
                                          materielInfo.Specifications,
                                          materielInfo.Number,
                                          materielInfo.LastDate,
                                          MID

                                          );

            return((bool)DBHelper.Update(sqlstr));
        }