public int ModifyJia_BuyLog(Jia_BuyLog jia_buylog)
        {
            string sql = "update Jia_BuyLog set Nick=@Nick,Type=@Type,Price=@Price,BuyDate=@BuyDate,IsOld=@IsOld,AddDate=@AddDate where Guid=@Guid";

            SqlParameter[] param = CreateParameter(jia_buylog);
            return(DBHelper.ExecuteNonQuery(sql, param));
        }
        public int AddJia_BuyLog(Jia_BuyLog jia_buylog)
        {
            string sql = "insert Jia_BuyLog values(@Nick,@Type,@Price,@BuyDate,@IsOld,@AddDate)";

            SqlParameter[] param = CreateParameter(jia_buylog);
            return(DBHelper.ExecuteNonQuery(sql, param));
        }
 private SqlParameter[] CreateParameter(Jia_BuyLog jia_buylog)
 {
     SqlParameter[] param = new SqlParameter[]
     {
         new SqlParameter("@Guid", jia_buylog.Guid),
         new SqlParameter("@Nick", jia_buylog.Nick),
         new SqlParameter("@Type", jia_buylog.Type),
         new SqlParameter("@Price", jia_buylog.Price),
         new SqlParameter("@BuyDate", jia_buylog.BuyDate),
         new SqlParameter("@IsOld", jia_buylog.IsOld),
         new SqlParameter("@AddDate", jia_buylog.AddDate)
     };
     return(param);
 }
        private IList <Jia_BuyLog> Jia_BuyLogPropertity(string sql, params SqlParameter[] param)
        {
            DataTable          dt   = DBHelper.ExecuteDataTable(sql, param);
            IList <Jia_BuyLog> list = new List <Jia_BuyLog>();

            foreach (DataRow dr in dt.Rows)
            {
                Jia_BuyLog jia_buylog = new Jia_BuyLog();
                jia_buylog.Guid    = Convert.ToString(dr["Guid"]);
                jia_buylog.Nick    = Convert.ToString(dr["Nick"]);
                jia_buylog.Type    = Convert.ToString(dr["Type"]);
                jia_buylog.Price   = Convert.ToDecimal(dr["Price"]);
                jia_buylog.BuyDate = Convert.ToInt32(dr["BuyDate"]);
                jia_buylog.IsOld   = Convert.ToInt32(dr["IsOld"]);
                jia_buylog.AddDate = Convert.ToDateTime(dr["AddDate"]);
                list.Add(jia_buylog);
            }
            return(list);
        }