C#中连接各种数据库方法 odbc oledb sqlserver

SQL Server ODBC Standard Security: "Driver={SQL Server};Server=Aron1;Database=pubs;Uid=sa;Pwd=asdasd;" Trusted connection: "Driver={SQL Server};Server=Aron1;Database=pubs;Trusted_Connection=yes;" Prompt for username and password: oConn.Properties("Prompt") = adPromptAlways oConn.Open "Driver={SQL Server};Server=Aron1;DataBase=pubs;" OLEDB, OleDbConnection (.NET) Standard Security: "Provider=sqloledb;Data Source=Aron1;Initial Catalog=pubs;User Id=sa;Password=asdasd;" Trusted Connection: "Provider=sqloledb;Data Source=Aron1;Initial Catalog=pubs;Integrated Security=SSPI;" (use serverName\instanceName as Data Source to use an specifik SQLServer instance, only SQLServer2000) Prompt for username and password: oConn.Provider = "sqloledb" oConn.Properties("Prompt") = adPromptAlways oConn.Open "Data Source=Aron1;Initial Catalog=pubs;" Connect via an IP address: "Provider=sqloledb;Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=pubs;User ID=sa;Password=asdasd;" (DBMSSOCN=TCP/IP instead of Named Pipes, at the end of the Data Source is the port to use (1433 is the default)) SqlConnection (.NET) Standard Security: "Data Source=Aron1;Initial Catalog=pubs;User Id=sa;Password=asdasd;" Trusted Connection: "Data Source=Aron1;Initial Catalog=pubs;Integrated Security=SSPI;" (use serverName\instanceName as Data Source to use an specifik SQLServer instance, only SQLServer2000) Connect via an IP address: "Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=pubs;User ID=sa;Password=asdasd;" (DBMSSOCN=TCP/IP instead of Named Pipes, at the end of the Data Source is the port to use (1433 is the default)) Declare the SqlConnection: C#: using System.Data.SqlClient; SqlConnection oSQLConn = new SqlConnection(); oSQLConn.ConnectionString="my connectionstring"; oSQLConn.Open(); VB.NET: Imports System.Data.SqlClient Dim oSQLConn As SqlConnection = New SqlConnection() oSQLConn.ConnectionString="my connectionstring" oSQLConn.Open() Access ODBC Standard Security: "Driver={Microsoft Access Driver (*.mdb)};Dbq=\somepath\mydb.mdb;Uid=Admin;Pwd=asdasd;" Workgroup: "Driver={Microsoft Access Driver (*.mdb)};Dbq=\somepath\mydb.mdb;SystemDB=\somepath\mydb.mdw;","admin", "" OLEDB, OleDbConnection (.NET) Standard security: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\somepath\mydb.mdb;User Id=admin;Password=asdasd;" Workgroup (system database): "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\somepath\mydb.mdb;Jet OLEDB:System Database=system.mdw;","admin", "" With password: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\somepath\mydb.mdb;Jet OLEDB:Database Password=MyDbPassword;","admin", "" Oracle ODBC New version: "Driver={Microsoft ODBC for Oracle};Server=OracleServer.world;Uid=Username;Pwd=asdasd;" Old version: "Driver={Microsoft ODBC Driver for Oracle};ConnectString=OracleServer.world;Uid=myUsername;Pwd=myPassword;" OLEDB, OleDbConnection (.NET) Standard security: "Provider=msdaora;Data Source=MyOracleDB;User Id=UserName;Password=asdasd;" This one's from Microsoft, the following are from Oracle Standard Security: "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;User Id=Username;Password=asdasd;" Trusted Connection: "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;OSAuthent=1;" OracleConnection (.NET) Standard: "Data Source=Oracle8i;Integrated Security=yes"; This one works only with Oracle 8i release 3 or later Declare the OracleConnection: C#: using System.Data.OracleClient; OracleConnection oOracleConn = new OracleConnection(); oOracleConn.ConnectionString = "my connectionstring"; oOracleConn.Open(); VB.NET: Imports System.Data.OracleClient Dim oOracleConn As OracleConnection = New OracleConnection() oOracleConn.ConnectionString = "my connectionstring" oOracleConn.Open() Data Shape MS Data Shape: "Provider=MSDataShape.1;Persist Security Info=False;Data Provider=MSDAORA;Data Source=orac;user id=username;password=mypw" MySQL ODBC Local database: "Driver={mySQL};Server=mySrvName;Option=16834;Database=mydatabase;" Remote database: "Driver={mySQL};Server=data.domain.com;Port=3306;Option=131072;Stmt=;Database=my-database;Uid=username;Pwd=password;" OLEDB, OleDbConnection (.NET) Standard: "Provider=MySQLProv;Data Source=mydb;User Id=UserName;Password=asdasd;" MySqlConnection (.NET) EID: "Data Source=server;Database=mydb;User ID=username;Password=pwd;Command Logging=false" This one is used with eInfoDesigns dbProvider, an add-on to .NET Declare the MySqlConnection: C#: using EID.MySqlClient; MySqlConnection oMySqlConn = new MySqlConnection(); oMySqlConn.ConnectionString = "my connectionstring"; oMySqlConn.Open(); VB.NET: Imports EID.MySqlClient Dim oMySqlConn As MySqlConnection = New MySqlConnection() oMySqlConn.ConnectionString = "my connectionstring" oMySqlConn.Open() IBM DB2 OLEDB, OleDbConnection (.NET) from ms TCP/IP: "Provider=DB2OLEDB;Network Transport Library=TCPIP;Network Address=XXX.XXX.XXX.XXX;Initial Catalog=MyCtlg;Package Collection=MyPkgCol;Default Schema=Schema;User ID=MyUser;Password=MyPW" APPC: "Provider=DB2OLEDB;APPC Local LU Alias=MyAlias;APPC Remote LU Alias=MyRemote;Initial Catalog=MyCtlg;Package Collection=MyPkgCol;Default Schema=Schema;User ID=MyUser;Password=MyPW" Sybase ODBC Standard: "Driver={SYBASE SYSTEM 11};Srvr=Aron1;Uid=username;Pwd=password;" Intersolv 3.10: "Driver={INTERSOLV 3.10 32-BIT Sybase};Srvr=Aron1;Uid=username;Pwd=password;" Informix ODBC Informix 3.30: "Dsn='';Driver={INFORMIX 3.30 32 BIT};Host=hostname;Server=myserver;Service=service-name;Protocol=olsoctcp;Database=mydb;UID=username;PWD=myPwd Informix-CLI 2.5: "Driver={Informix-CLI 2.5 (32 Bit)};Server=myserver;Database=mydb;Uid=username;Pwd=myPwd" DSN ODBC DSN: "DSN=myDsn;Uid=username;Pwd=;" File DSN: "FILEDSN=c:\myData.dsn;Uid=username;Pwd=;" Excel ODBC Standard: "Driver={Microsoft Excel Driver (*.xls)};DriverId=790;Dbq=C:\MyExcel.xls;DefaultDir=c:\mypath;" OLE DB Standard: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\MyExcel.xls;Extended Properties=Excel 8.0;HDR=Yes;" "HDR=Yes;" indicates that the first row contains columnnames, not data DBF / FoxPro ODBC standard: "Driver={Microsoft dBASE Driver (*.dbf)};DriverID=277;Dbq=c:\mydbpath;" OLEDB, OleDbConnection (.NET) standard: "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\folder;Extended Properties=dBASE IV;User ID=Admin;Password=" Pervasive ODBC Standard: "Driver={Pervasive ODBC Client Interface};ServerName=srvname;dbq=@dbname"   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;");