connectionstring در سی شارپ

// ODBC DSN

usingSystem.Data.Odbc;

OdbcConnectionconn = new OdbcConnection();

conn.ConnectionString=

“Dsn=DsnName;” +

“Uid=UserName;” +

“Pwd=Secret;”;

conn.Open();

// ODBC –Standard Connection

usingSystem.Data.Odbc;

OdbcConnectionconn = new OdbcConnection();

conn.ConnectionString=

“Driver={SQL Server};”+

“Server=ServerName;” +

“DataBase=DataBaseName;” +

“Uid=UserName;” +

“Pwd=Secret;”;

conn.Open();

// ODBC –Trusted Connection

usingSystem.Data.Odbc;

OdbcConnectionconn = new OdbcConnection();

conn.ConnectionString=

“Driver={SQL Server};”+

“Server=ServerName;” +

“DataBase=DataBaseName;” +

“Uid=;” +

“Pwd=;”;

conn.Open();

// or

OdbcConnectionconn = new OdbcConnection();

conn.ConnectionString=

“Driver={SQL Server};”+

“Server=ServerName;” +

“DataBase=DataBaseName;” +

“Trusted_Connection=Yes;”;

conn.Open();

// OleDb –Standard Connection

usingSystem.Data.OleDb;

OleDbConnectionconn = new OleDbConnection();

conn.ConnectionString=

“Driver=SQLOLEDB;” +

“DataSource=ServerName;” +

“InitialCatalog=DataBaseName;” +

“User id=UserName;” +

“Password=Secret;”;

conn.Open();

// OleDb –Trusted Connection

usingSystem.Data.OleDb;

OleDbConnectionconn = new OleDbConnection();

conn.ConnectionString=

“Driver=SQLOLEDB;” +

“DataSource=ServerName;” +

“InitialCatalog=DataBaseName;” +

“IntegratedSecurity=SSPI;”;

conn.Open();

// OleDb –via IP Address

usingSystem.Data.OleDb;

OleDbConnectionconn = new OleDbConnection();

conn.ConnectionString=

“Driver=SQLOLEDB;” +

“NetworkLibrary=DBMSSOCN;” +

“DataSource=xxx.xxx.xxx.xxx,1433;” +

“InitialCatalog=DataBaseName;” +

“User id=UserName;” +

“Password=Secret;”;

conn.Open();

Microsoft Sql Express

// .NET DataProvider — Default Relative Path

// StandardConnection

usingSystem.Data.SqlClient;

SqlConnectionconn = new SqlConnection();

conn.ConnectionString=

“Data Source=.\SQLExpress;” +

“User Instance=true;” +

“User Id=UserName;” +

“Password=Secret;” +

“AttachDbFilename=|DataDirectory|DataBaseName.mdf;”

conn.Open();

// .NET DataProvider — Default Relative Path

// TrustedConnection

usingSystem.Data.SqlClient;

SqlConnectionconn = new SqlConnection();

conn.ConnectionString=

“Data Source=.\SQLExpress;” +

“User Instance=true;” +

“Integrated Security=true;” +

“AttachDbFilename=|DataDirectory|DataBaseName.mdf;”

conn.Open();

// .NET DataProvider — Custom Relative Path

// StandardConnection

usingSystem.Data.SqlClient;

AppDomain.CurrentDomain.SetData(

“DataDirectory”,”C:\MyPath\”);

SqlConnectionconn = new SqlConnection();

conn.ConnectionString=

“Data Source=.\SQLExpress;” +

“User Instance=true;” +

“User Id=UserName;” +

“Password=Secret;” +

“AttachDbFilename=|DataDirectory|DataBaseName.mdf;”

conn.Open();

// .NET DataProvider — Custom Relative Path

// TrustedConnection

usingSystem.Data.SqlClient;

AppDomain.CurrentDomain.SetData(

“DataDirectory”,”C:\MyPath\”);

SqlConnectionconn = new SqlConnection();

conn.ConnectionString=

“Data Source=.\SQLExpress;” +

“User Instance=true;” +

“Integrated Security=true;” +

“AttachDbFilename=|DataDirectory|DataBaseName.mdf;”

conn.Open();