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  • .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;"
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  • 原文地址：https://www.cnblogs.com/zhuor/p/316701.html
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