ADO.NET连接数据库字符串

 ACCESSODBC标准安全"Driver={Microsoft Access Driver (*.mdb)}; Dbq=C:/mydatabase.mdb; Uid=Admin; Pwd=; "工作组"Driver={Microsoft Access Driver (*.mdb)}; Dbq=C:/mydatabase.mdb; SystemDB=C:/mydatabase.mdw; "独占"Driver={Microsoft Access Driver (*.mdb)}; Dbq=C:/mydatabase.mdb; Exclusive=1; Uid=admin; Pwd="OLE DB, OleDbConnection (.NET)标准安全"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=/somepath/mydb.mdb; User Id=admin; Password=; "工作组 (system database)"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=/somepath/mydb.mdb; Jet OLEDB:System Database=system.mdw; "使用密码"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=/somepath/mydb.mdb; Jet OLEDB:Database Password=MyDbPassword; "　OracleODBC新版本"Driver={Microsoft ODBC for Oracle}; Server=OracleServer.world; Uid=Username; Pwd=asdasd; "旧版本"Driver={Microsoft ODBC Driver for Oracle}; ConnectString=OracleServer.world; Uid=myUsername; Pwd=myPassword; "OLE DB, OleDbConnection (.NET)标准安全"Provider=msdaora; Data Source=MyOracleDB; User Id=UserName; Password=asdasd; "
This one's from Microsoft, the following are from Oracle标准安全"Provider=OraOLEDB.Oracle; Data Source=MyOracleDB; User Id=Username; Password=asdasd; "信任的连接"Provider=OraOLEDB.Oracle; Data Source=MyOracleDB; OSAuthent=1; "OracleConnection (.NET)标准"Data Source=MyOracleDB; Integrated Security=yes; " 
This one works only with Oracle 8i release 3 or later指定用户名和密码"Data Source=MyOracleDB; User Id=username; Password=passwd; Integrated Security=no; " 
This one works only with Oracle 8i release 3 or later定义OracleConnection对象C#:
using System.Data.OracleClient; 
OracleConnection oOracleConn = new OracleConnection(); 
oOracleConn.ConnectionString = "my connection string"; 
oOracleConn.Open();VB.NET:
Imports System.Data.OracleClient
Dim oOracleConn As OracleConnection = New OracleConnection()
oOracleConn.ConnectionString = "my connection string"
oOracleConn.Open()Core Labs OraDirect (.NET)标准"User ID=scott; Password=tiger; Host=ora; Pooling=true; Min Pool Size=0; Max Pool Size=100; Connection Lifetime=0"Data Shape微软数据模型"Provider=MSDataShape.1; Persist Security Info=False; Data Provider=MSDAORA; Data Source=orac; user id=username; password=mypw"4MySQLMyODBCMyODBC 2.50 本地数据库"Driver={mySQL}; Server=localhost; Option=16834; Database=mydatabase; "MyODBC 2.50 远程数据库:"Driver={mySQL}; Server=data.domain.com; Port=3306; Option=131072; Stmt=; Database=my-database; Uid=username; Pwd=password; "MyODBC 3.51 本地数据库"DRIVER={MySQL ODBC 3.51 Driver}; SERVER=localhost; DATABASE=myDatabase; USER=myUsername; PASSWORD=myPassword; OPTION=3; "MyODBC 3.51 远程数据库"DRIVER={MySQL ODBC 3.51 Driver}; SERVER=data.domain.com; PORT=3306; DATABASE=myDatabase; USER=myUsername; PASSWORD=myPassword; OPTION=3; "OLE DB, OleDbConnection (.NET)标准"Provider=MySQLProv; Data Source=mydb; User Id=UserName; Password=asdasd; "Connector/Net 1.0 (.NET)标准"Server=Server; Database=Test; Uid=UserName; Pwd=asdasd; " 
Download the driver at MySQL Developer Zone指定端口"Server=Server; Port=1234; Database=Test; Uid=UserName; Pwd=asdasd; " 
Default port is 3306. Enter value -1 to use a named pipe connection.定义mysqlclient 连接对象C#:
using MySql.Data.MySqlClient; 
MySqlConnection oMySqlConn = new MySqlConnection(); 
oMySqlConn.ConnectionString = "Server=Server; Database=Test; Uid=UserName; Pwd=asdasd; "; 
oMySqlConn.Open();VB.NET:
Imports MySql.Data.MySqlClient
Dim oMySqlConn As MySqlConnection = New MySqlConnection()
oMySqlConn.ConnectionString = "Server=Server; Database=Test; Uid=UserName; Pwd=asdasd; "
oMySqlConn.Open()MySqlConnection (.NET)eInfoDesigns.dbProvider"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定义MySqlConnection连接对象C#:
using eInfoDesigns.dbProvider.MySqlClient; 
MySqlConnection oMySqlConn = new MySqlConnection(); 
oMySqlConn.ConnectionString = "my connection string"; 
oMySqlConn.Open();VB.NET:
Imports eInfoDesigns.dbProvider.MySqlClient
Dim oMySqlConn As MySqlConnection = New MySqlConnection()
oMySqlConn.ConnectionString = "my connection string"
oMySqlConn.Open()SevenObjects MySqlClient (.NET)标准"Host=server; UserName=myusername; Password=mypassword; Database=mydb; " 
This is a freeware ADO.Net data provider from SevenObjectsCore Labs MySQLDirect (.NET)标准"User ID=root; Password=pwd; Host=localhost; Port=3306; Database=test; Direct=true; Protocol=TCP; Compress=false; Pooling=true; Min Pool Size=0; Max Pool Size=100; Connection Lifetime=0"　InterbaseODBC, Easysoft本地计算机"Driver={Easysoft IB6 ODBC}; Server=localhost; Database=localhost:C:/mydatabase.gdb; Uid=username; Pwd=password"远程计算机"Driver={Easysoft IB6 ODBC}; Server=ComputerName; Database=ComputerName:C:/mydatabase.gdb; Uid=username; Pwd=password"ODBC, Intersolv本地计算机"Driver={INTERSOLV InterBase ODBC Driver (*.gdb)}; Server=localhost; Database=localhost:C:/mydatabase.gdb; Uid=username; Pwd=password"远程计算机"Driver={INTERSOLV InterBase ODBC Driver (*.gdb)}; Server=ComputerName; Database=ComputerName:C:/mydatabase.gdb; Uid=username; Pwd=password"OLE DB, SIBPROvider标准"provider=sibprovider; location=localhost:; data source=c:/databases/gdbs/mygdb.gdb; user id=SYSDBA; password=masterkey"指定字符集"provider=sibprovider; location=localhost:; data source=c:/databases/gdbs/mygdb.gdb; user id=SYSDBA; password=masterkey; character set=ISO8859_1"指定规则"provider=sibprovider; location=localhost:; data source=c:/databases/gdbs/mygdb.gdb; user id=SYSDBA; password=masterkey; role=DIGITADORES"　IBM DB2OLE DB, OleDbConnection (.NET) from msTCP/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"IBM's OLE DB Provider (shipped with IBM DB2 UDB v7 or above)TCP/IP"Provider=IBMDADB2; Database=sample; HOSTNAME=db2host; PROTOCOL=TCPIP; PORT=50000; uid=myUserName; pwd=myPwd;"ODBC标准"driver={IBM DB2 ODBC DRIVER}; Database=myDbName; hostname=myServerName; port=myPortNum; protocol=TCPIP; uid=myUserName; pwd=myPwd"5SybaseODBC标准 Sybase System 12 (or 12.5) Enterprise Open Client"Driver={SYBASE ASE ODBC Driver}; Srvr=Aron1; Uid=username; Pwd=password"标准 Sybase System 11"Driver={SYBASE SYSTEM 11}; Srvr=Aron1; Uid=username; Pwd=password; Database=mydb"Intersolv 3.10"Driver={INTERSOLV 3.10 32-BIT Sybase}; Srvr=Aron1; Uid=username; Pwd=password;"Sybase SQL Anywhere (former Watcom SQL ODBC driver)"ODBC; Driver=Sybase SQL Anywhere 5.0; DefaultDir=c:/dbfolder/; Dbf=c:/mydatabase.db; Uid=username; Pwd=password; Dsn="""""OLE DBAdaptive Server Anywhere (ASA)"Provider=ASAProv; Data source=myASA"Adaptive Server Enterprise (ASE) with Data Source .IDS file"Provider=Sybase ASE OLE DB Provider; Data source=myASE"Adaptive Server Enterprise (ASE)"Provider=Sybase.ASEOLEDBProvider; Srvr=myASEserver,5000; Catalog=myDBname; User Id=username; Password=password"
- some reports on problem using the above one, try the following as an alternative -

"Provider=Sybase.ASEOLEDBProvider; Server Name=myASEserver,5000; Initial Catalog=myDBname; User Id=username; Password=password" 
This one works only from Open Client 12.5 where the server port number feature works,following fully qualified connection strings to be used without definingfony .IDS Data Source files.

AseConnection (.NET)标准"Data Source='myASEserver'; Port=5000; Database='myDBname'; UID='username'; PWD='password'; "定义AseConnection连接对象C#:
using Sybase.Data.AseClient; 
AseConnection oCon = new AseConnection(); 
oCon.ConnectionString="my connection string"; 
oCon.Open();VB.NET:
Imports System.Data.AseClient
Dim oCon As AseConnection = New AseConnection()
oCon.ConnectionString="my connection string"
oCon.Open()　InformixODBCInformix 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"OLE DBIBM Informix OLE DB Provider"Provider=Ifxoledbc.2; password=myPw; User ID=myUser; Data Source=dbName@serverName; Persist Security Info=true"　IngresODBCDSN-less"Provider=MSDASQL.1; DRIVER=Ingres; SRVR=xxxxx; DB=xxxxx; Persist Security Info=False; uid=xxxx; pwd=xxxxx; SELECTLOOPS=N; Extended Properties="""SERVER=xxxxx; DATABASE=xxxxx; SERVERTYPE=INGRES""　Mimer SQLODBC标准安全"Driver={MIMER}; Database=mydb; Uid=myuser; Pwd=mypw; "提示输入用户名和密码"Driver={MIMER}; Database=mydb;"　Lightbase标准标准"user=USERLOGIN; password=PASSWORD; UDB=USERBASE; server=SERVERNAME"　PostgreSQLCore Labs PostgreSQLDirect (.NET)标准"User ID=root; Password=pwd; Host=localhost; Port=5432; Database=testdb; Pooling=true; Min Pool Size=0; Max Pool Size=100; Connection Lifetime=0"PostgreSQL driver标准"DRIVER={PostgreSQL}; SERVER=ipaddress; port=5432; DATABASE=dbname; UID=username; PWD=password; "Npgsql by pgFoundry (.NET)SSL activated"Server=127.0.0.1; Port=5432; Userid=myuserid; password=mypw; Protocol=3; SSL=true; Pooling=true; MinPoolSize=3; MaxPoolSize=20; Encoding=UNICODE; Timeout=20; SslMode=Require"Without SSL"Server=127.0.0.1; Port=5432; Userid=myuserid; password=mypw; Protocol=3; SSL=false; Pooling=true; MinPoolSize=1; MaxPoolSize=20; Encoding=UNICODE; Timeout=15; SslMode=Disable"　ParadoxODBC5.X"Driver={Microsoft Paradox Driver (*.db )}; DriverID=538; Fil=Paradox 5.X; DefaultDir=c:/pathToDb/; Dbq=c:/pathToDb/; CollatingSequence=ASCII"7.X"Provider=MSDASQL.1; Persist Security Info=False; Mode=Read; Extended Properties='DSN=Paradox; DBQ=C:/myDb; DefaultDir=C:/myDb; DriverId=538; FIL=Paradox 7.X; MaxBufferSize=2048; PageTimeout=600; '; Initial Catalog=C:/myDb"OleDbConnection (.NET)标准"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:/myDb; Extended Properties=Paradox 5.x;"　DNSODBCDSN"DSN=myDsn; Uid=username; Pwd=; "File DSN"FILEDSN=c:/myData.dsn; Uid=username; Pwd=;"6FirebirdODBC - IBPhoenix Open Source标准"DRIVER=Firebird/InterBase(r) driver; UID=SYSDBA; PWD=masterkey; DBNAME=D:/FIREBIRD/examples/TEST.FDB".NET - Firebird .Net Data Provider标准"User=SYSDBA; Password=masterkey; Database=SampleDatabase.fdb; DataSource=localhost; Port=3050; Dialect=3; Charset=NONE; Role=; Connection lifetime=15; Pooling=true; MinPoolSize=0; MaxPoolSize=50; Packet Size=8192; ServerType=0"　ExcelODBC标准"Driver={Microsoft Excel Driver (*.xls)}; DriverId=790; Dbq=C:/MyExcel.xls; DefaultDir=c:/mypath; "OLE DB标准"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=C:/MyExcel.xls; Extended Properties=""Excel 8.0; HDR=Yes; IMEX=1""" 
"HDR=Yes; " indicates that the first row contains columnnames, not data
"IMEX=1; " tells the driver to always read "intermixed" data columns as text
TIP! SQL syntax: "SELECT * FROM [sheet1$]" - i.e. worksheet name followed by a "$" and wrapped in "[" "]" brackets.　TextODBC标准"Driver={Microsoft Text Driver (*.txt; *.csv)}; Dbq=c:/txtFilesFolder/; Extensions=asc,csv,tab,txt; "OLE DB标准"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:/txtFilesFolder/; Extended Properties=""text; HDR=Yes; FMT=Delimited""" 
"HDR=Yes; " indicates that the first row contains columnnames, not data　DBF / FoxProODBC标准"Driver={Microsoft dBASE Driver (*.dbf)}; DriverID=277; Dbq=c:/mydbpath; "OLE DB, OleDbConnection (.NET)标准"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:/folder; Extended Properties=dBASE IV; User ID=Admin; Password="　AS/400 (iSeries)OLE DB, OleDbConnection (.NET)IBM Client Access OLE DB provider"PROVIDER=IBMDA400; DATA SOURCE=MY_SYSTEM_NAME; USER ID=myUserName; PASSWORD=myPwd"IBM Client Access OLE DB provider"PROVIDER=IBMDA400; DATA SOURCE=MY_SYSTEM_NAME; USER ID=myUserName; PASSWORD=myPwd; DEFAULT COLLECTION=MY_LIBRARY; "ODBCIBM Client Access ODBC driver"Driver={Client Access ODBC Driver (32-bit)}; System=my_system_name; Uid=myUserName; Pwd=myPwd"　ExchangeOLE DBExchange OLE DB provider"ExOLEDB.DataSource" 
Specify store in the connection open command like this: conn.open "http://servername/mypublicstore"　Visual FoxProOLE DB, OleDbConnection (.NET)Database container (.DBC)"Provider=vfpoledb.1; Data Source=C:/MyDbFolder/MyDbContainer.dbc; Collating Sequence=machine"Free table directory"Provider=vfpoledb.1; Data Source=C:/MyDataDirectory/; Collating Sequence=general"Force the provider to use an ODBC DSN"Provider=vfpoledb.1; DSN=MyDSN"ODBCDatabase container (.DBC)"Driver={Microsoft Visual FoxPro Driver}; SourceType=DBC; SourceDB=c:/myvfpdb.dbc; Exclusive=No; NULL=NO; Collate=Machine; BACKGROUNDFETCH=NO; DELETED=NO"Free Table directory"Driver={Microsoft Visual FoxPro Driver}; SourceType=DBF; SourceDB=c:/myvfpdbfolder;Exclusive=No; Collate=Machine; NULL=NO; DELETED=NO; BACKGROUNDFETCH=NO"　PervasiveODBC标准:"Driver={Pervasive ODBC Client Interface}; ServerName=srvname; dbq=@dbname"OLD DB标准:"Provider=PervasiveOLEDB; Data Source=C:/path"　UDLUDLUDL"File Name=c:/myDataLink.udl;"