tns:l**tener does not currently know of sid given in connect descriptorcause: the l**tener received a request to establ**h a connection to a database or other service. the connect descriptor received ...
dim strsql as string 定义了一个字符串变量,程序中用来存放查询字符串. strsql="select 货号,条码,拼音编码,品名,规格,"&_ 单位,产地,类别,进货价,销售价1,销售价2,最低售价 from 商品清单 if len(txbgoodpy.text)<>0 then strsql=strsql&"where 拼音编码 like ' strsql=str...