???????????￡?????????????demo?????????????
???????Ч???

?????м??????????????????????????μ????е???????????????????е???
?????????????飬??????μ????
???????????????????????
????_connMaster = new SqlConnection(
????String.Format("Data Source={0};Initial Catalog=master;User ID={1};PWD={2}"?? _host?? _userName?? _pwd));
????????? Catalog=master
???????????????sql????????е??????
????var adapter = new SqlDataAdapter("select name from master..sysdatabases"?? _connMaster);
??????????????????????????е??
??????????????????????????
????_connDb = new SqlConnection(
????String.Format("Data Source={0};Initial Catalog={1};User ID={2};PWD={3}"?? _host?? dbname?? _userName?? _pwd));
??????????????sql???в??
????var sql = "select * from sysobjects  where xtype='U' ";
????????????????е????
??????????????????????????
???????????????????????????NPIO?????demo?????????ok??