介绍几种 ADO.net 中的数据库连接方式
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                         在MSDN中,.net的数据库连接字符串都有详细的说明,我这里以代码范例的方式罗列一些,具体的每一项代表的意义可以参看MSDN.      ADO.net 中数据库连接方式(微软提供)      微软提供了以下四种数据库连接方式:   System.Data.OleDb.OleDbConnection   System.Data.SqlClient.SqlConnection   System.Data.Odbc.OdbcConnection   System.Data.OracleClient.OracleConnection   下面我们以范例的方式,来依次说明:      System.Data.SqlClient.SqlConnection   常用的一些连接字符串(C#代码):      SqlConnection conn   = new SqlConnection( "Server=(local);Integrated Security=SSPI;database=Pubs");      SqlConnection conn   = new SqlConnection("server=(local)NetSDK;database=pubs;Integrated Security=SSPI");      SqlConnection conn = new SqlConnection(   "Data Source=localhost;Integrated Security=SSPI;Initial Catalog=Northwind;");      SqlConnection conn = new SqlConnection(   " data source=(local);initial catalog=xr;integrated security=SSPI;   persist security info=False;workstation id=XURUI;packet size=4096; ");      SqlConnection myConn = new   System.Data.SqlClient.SqlConnection("Persist Security Info=False;Integrated   Security=SSPI;database=northwind;server=mySQLServer");      SqlConnection conn = new SqlConnection(   " uid=sa;pwd=passwords;initial catalog=pubs;data source=127.0.0.1;Connect Timeout=900");      更多字符串连接说明请看MSDN:   http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemDataSqlClientSqlConnectionClassConnectionStringTopic.asp      System.Data.OleDb.OleDbConnection   常用的一些连接字符串(C#代码):      OleDbConnection conn = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:MyWeb81 5GrocerToGo.mdb");      OleDbConnection conn = new OleDbConnection(   @"Provider=Microsoft.Jet.OLEDB.4.0;Password=;   User ID=Admin;Data Source=grocertogo.mdb;");      OleDbConnection conn = new OleDbConnection(   "Provider=MSDAORA; Data Source=ORACLE8i7;Persist Security Info=False;Integrated Security=yes");      OleDbConnection conn = new OleDbConnection(   "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:binLocalAccess40.mdb");      OleDbConnection conn = new OleDbConnection(   "Provider=SQLOLEDB;Data Source=MySQLServer;Integrated Security=SSPI");      更多字符串连接说明请看MSDN:   http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemDataOleDbOleDbConnectionClassConnectionStringTopic.asp?frame=true      System.Data.OracleClient.OracleConnection   常用的一些连接字符串(C#代码):      OracleConnection myConn = new System.Data.OracleClient.OracleConnection(   "Data Source=Oracle8i;Integrated Security=yes");       更多字符串连接说明请看MSDN:   http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemDataOracleClientOracleConnectionClassConnectionStringTopic.asp?frame=true      System.Data.Odbc.OdbcConnection   常用的一些连接字符串(C#代码):      OdbcConnection conn = new OdbcConnection(   "Driver={SQL Server};Server=MyServer;Trusted_Connection=yes;Database=Northwind;");      OdbcConnection conn = new OdbcConnection(   "Driver={Microsoft ODBC for Oracle};Server=ORACLE8i7;   Persist Security Info=False;Trusted_Connection=yes");      OdbcConnection conn = new OdbcConnection(   "Driver={Microsoft Access Driver (.mdb)};DBQ=c:binnwind.mdb");      OdbcConnection conn = new OdbcConnection(   "Driver={Microsoft Excel Driver (.xls)};DBQ=c:binbook1.xls");      OdbcConnection conn = new OdbcConnection(   "Driver={Microsoft Text Driver (.txt; .csv)};DBQ=c:bin");      OdbcConnection conn = new OdbcConnection("DSN=dsnname");      更多字符串连接说明请看MSDN:   http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemDataOdbcOdbcConnectionClassConnectionStringTopic.asp?frame=true      其他厂商提供的数据库连接:      DB2Connection myConn = new IBM.Data.DB2.DB2Connection(   "DATABASE = SAMPLE;UID= (编辑:莱芜站长网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容!  | 
                  
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