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(一)常用连接:
1.使用SqlConnection对象:
public void SqlConnectionOpen()
{
   SqlConnection conn= new SqlConnection();
   conn.ConnectionString = "user id=sa;password=;initial catalog=northwind;datasource=localhost;connect Timeout=20";
   conn.Open();
}
2.使用OleDbConnection对象:
public void OleDBConnectionOpen()
{
   OleDBConnection conn = new OleDbconnection();
   conn.ConnectionString="Provider=Microsoft.Jet.OLEDB.4.0;DataSource=C:\Customer.mdb";
   conn.Open();
}
(二)其它:
1.ODBC连接Access本地数据库
  conGoodDay.Open("Driver={Microsoft Access Driver(*.mdb)};"+"Dbq=C:\a.mdb;"+
  "Uid=Admin;"+"Pwd=;");
2.ODBC连接Access系统数据库
  conGoodDay.Open("Driver={Microsoft Access Driver(*.mdb)};"+"Dbq=C:\a.mdb;"+
  "SystemDB=Admin;"+"Pwd=;");
3.ODBC连接Access系统数据库
  conGoodDay.Open("Driver={Microsoft Access Driver(*.mdb)};"+"Dbq=\\server\share\a.mdb;");
4.ODBC连接Excel系统数据库
  conGoodDay.Open("Driver={Microsoft Access Driver(*.xls)};"+"DriverId=790;"+
  "Dbq=C:\a.xls;"+"DefaultDir=c:\somepath;");
5.ODBC连接Oracle系统数据库
  conGoodDay.Open("Driver={Microsoft ODBC for Oracle};"+"Server=OracleServer.world;"+
  "Uid=Admin;"+"Pwd=password;");
6.ODBC连接Sql Servr
  conGoodDay.Open("Driver={Sql Server};"+"Server=myServer;"+"Database=myDatabaseName;"
  "Uid=Admin;"+"Pwd=password;");
7.ODBC连接Visual FoxPro
  conGoodDay.Open("Driver={Microsoft Visual FoxPro Driver};"+
  "SourceType=DBC;"+"SourceDB=c:a.dbc;"+"Exclusive=No;");
posted on 2006-09-20 13:08 圣域飞侠 阅读(526) 评论(0)  编辑  收藏

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