Working with connection strings
http://msdn2.microsoft.com/en-us/library/ms254978(VS.80).aspx

’Sample VB Code

Dim builder As New System.Data.SqlClient.SqlConnectionStringBuilderbuilder("Data Source") = "(local)"builder("Integrated Security") = Truebuilder("Initial Catalog") = "AdventureWorks;NewValue=Bad"Console.WriteLine(builder.ConnectionString)