Connection Strings For .NET and Sqlserver 2005

Standard Security

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

Trusted Connection

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

Connecting to an SQL Server instance

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

Connecting to an SQL Server instance via an IP address

Data Source=192.168.1.80,Network Library=DBMSSOCN;
Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;