Standard using SQLSERVER.CE.OLEDB.3.5
Connection string
This Microsoft.SQLSERVER.CE.OLEDB.3.5 connection string can be used for connections to SQL Server Compact.
Provider=Microsoft.SQLSERVER.CE.OLEDB.3.5;Data Source=myPath\myData.sdf;
This Microsoft.SQLSERVER.CE.OLEDB.3.5 connection string can be used for connections to SQL Server Compact.
Provider=Microsoft.SQLSERVER.CE.OLEDB.3.5;Data Source=myPath\myData.sdf;