
SkySE is new alternative Database connection Framework simple and FREE! to use.
SkySE support for Oracle,MySQL,MSSQL + secure your server / connection string in your web.config
SkySE also have internal Encrypt/Decrypt with added few algorithm to make it hard to crack (maybe :p)
TRY NOW Full Example source : SkySE
WEB.CONFIG setting;
<add key="DbType" value="2"/>
<add key="errEmptyRow" value="no data"/>
<add key="errEmptyTable" value="invalid query"/>
<add key="sys_error" value="This is Error for public user sample, You can edit this in web.config."/>
...