.NET中各种数据库连接大全

 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"
    
    

 UDL

•  UDL
  
  
  •  UDL:
    "File Name=c:\myDataLink.udl;"