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[C#] C#语法及存储过程.docx
说明: ((IDisposable)new A()).Dispose(); /// /// 利用传进来的sql语句查新数据库 /// /// sql语句 /// public string QuerySingle(string sql) { string single = null; using (OleDbConnection connection = new OleDbConnection(str)) { usi ng (OleDbCommand command = new OleDbCom<qq_24210197> 上传 | 大小:26kb