Standard Security

1. Driver={SQL Native Client};Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword; 
   

Trusted Connection

1. Driver={SQL Native Client};Server=myServerAddress;Database=myDataBase;Trusted_Connection=yes; 
   

Connecting to a SQL Server Instance

1. Driver={SQL Native Client};Server=myServerName\theInstanceName;Database=myDataBase;Trusted_Connection=yes; 
   

Prompt UserName and Password

1. oConn.Properties("Prompt") = adPromptAlways  
2.   
3. Driver={SQL Native Client};Server=myServerAddress;Database=myDataBase; 
   

Enabling MARS(multiple active results sets)

1. Driver={SQL Native Client};Server=myServerAddress;Database=myDataBase;Trusted_Connection=yes;MARS_Connection=yes; 
   

Encrypt data sent over network

1. Driver={SQL Native Client};Server=myServerAddress;Database=myDataBase;Trusted_Connection=yes;Encrypt=yes; 
   

Attach a database file on connect to a local SQL Server Express Instance

1. Driver={SQL Native Client};Server=.\SQLExpress;AttachDbFilename=c:\asd\qwe\mydbfile.mdf; Database=dbname;Trusted_Connection=Yes; 
   

Attach a database file, located in the data directory, on connect to a local SQL Server Express Instance

1. Driver={SQL Native Client};Server=.\SQLExpress;AttachDbFilename=|DataDirectory|mydbfile.mdf; Database=dbname;Trusted_Connection=Yes; 
   

Database Mirroring

1. Data Source=myServerAddress;Failover Partner=myMirrorServer;Initial Catalog=myDataBase;Integrated Security=True;  

Standard Security

1. Provider=SQLNCLI;Server=myServerAddress;Database=myDataBase;Uid=myUsername;Pwd=myPassword; 
   

Trusted Connection

1. Provider=SQLNCLI;Server=myServerAddress;Database=myDataBase;Trusted_Connection=yes; 
   

Connecting to a SQL Server Instance

1. Provider=SQLNCLI;Server=myServerName\theInstanceName;Database=myDataBase;Trusted_Connection=yes; 
   

Prompt for username and password

1. oConn.Properties("Prompt") = adPromptAlways  
2.   
3. oConn.Open "Provider=SQLNCLI;Server=myServerAddress;DataBase=myDataBase; 
   

Enabling MARS(multiple active results sets)

1. Provider=SQLNCLI;Server=myServerAddress;Database=myDataBase;Trusted_Connection=yes;MarsConn=yes; 
   

Encrypt data sent over network

1. Provider=SQLNCLI;Server=myServerAddress;Database=myDataBase;Trusted_Connection=yes;Encrypt=yes; 
   

Attach a database file on connect to a local SQL Server Express Instance

1. Provider=SQLNCLI;Server=.\SQLExpress;AttachDbFilename=c:\asd\qwe\mydbfile.mdf; Database=dbname;Trusted_Connection=Yes; 
   

Attach a database file,located in the data directory,on connect to a local SQL Server Express Instance

1. Provider=SQLNCLI;Server=.\SQLExpress;AttachDbFilename=|DataDirectory|mydbfile.mdf; Database=dbname;Trusted_Connection=Yes; 
   

Database Mirroring

1. Data Source=myServerAddress;Failover Partner=myMirrorServer;Initial Catalog=myDataBase;Integrated Security=True;  

Standard Security

1. Data Source=myServerAddress;Initial Catalog=myDataBase;User Id=myUsername;Password=myPassword; 
   

Standard Security alternative syntax

1. Server=myServerAddress;Database=myDataBase;User ID=myUsername;Password=myPassword;Trusted_Connection=False; 
   

Trusted Connection

1. Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=SSPI; 
   

Trusted Connection alternative syntax

1. Server=myServerAddress;Database=myDataBase;Trusted_Connection=True; 
   

Connect to a SQL Server Instance

1. Server=myServerName\theInstanceName;Database=myDataBase;Trusted_Connection=True; 
   

Trusted connection from a CE device

1. Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=SSPI;User ID=myDomain\myUsername;Password=myPassword; 
   

Connect via IP address

1. Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword; 
   

Enabling MARS(multiple active results sets)

1. Server=myServerAddress;Database=myDataBase;Trusted_Connection=True;MultipleActiveResultSets=true; 
   

Attach a database file on connect to a local SQL Server Express Instance

1. Server=.\SQLExpress;AttachDbFilename=c:\asd\qwe\mydbfile.mdf;Database=dbname;Trusted_Connection=Yes; 
   

Attach a database file,located in the data directory,on connect to a local SQL Server Express Instance

1. Server=.\SQLExpress;AttachDbFilename=|DataDirectory|mydbfile.mdf; Database=dbname;Trusted_Connection=Yes; 
   

Using an user instance on a local SQL Server Express instance

1. Data Source=.\SQLExpress;Integrated Security=true;AttachDbFilename=|DataDirectory|\mydb.mdf;User Instance=true; 
   

Database Mirroring

1. Data Source=myServerAddress;Failover Partner=myMirrorServer;Initial Catalog=myDataBase;Integrated Security=True; 
   

Asynchronous processing

1. Server=myServerAddress;Database=myDataBase;Integrated Security=True;Asynchronous Processing=True;  

C#代码

1. using(SqlConnection connection = new SqlConnection("context connection=true"))  
2.  {  
3.      connection.Open();  
4.        
5.  } 
   

Visual Basic代码

1. Using connection as new SqlConnection("context connection=true")  
2.      connection.Open()  
3.        
4.  End Using