摘要：
首先是源码：usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Data.SqlClient;usingSystem.Data.OleDb;usingSystem.Data.SqlTypes;usingSystem.Data.Common;usingSystem.Data.Sql;usingSystem.Data;namespacetest{classProgram{staticvoidMain(string[]args){stringconstr="Pro 阅读全文
