Standard using SQLSERVER.MOBILE.OLEDB.3.0
Connection string
This Microsoft.SQLSERVER.MOBILE.OLEDB.3.0 connection string can be used for connections to SQL Server Compact.
Provider=Microsoft.SQLSERVER.MOBILE.OLEDB.3.0;Data Source=myPath\myData.sdf;
This Microsoft.SQLSERVER.MOBILE.OLEDB.3.0 connection string can be used for connections to SQL Server Compact.
Provider=Microsoft.SQLSERVER.MOBILE.OLEDB.3.0;Data Source=myPath\myData.sdf;