if ( ::SQLConnect(hdbc, (SQLTCHAR*)_TEXT("iMySql"), SQL_NTS,
(SQLTCHAR*)_TEXT("root"), _tcslen(_TEXT("root")), (SQLTCHAR*)_TEXT("blabla"),
_tcslen(_TEXT("blabla")) ) == SQL_ERROR )
{
FireErrorMessBox();
}
else
{
MessageBox(NULL, _TEXT("OK_connect"), _TEXT("Success!"), MB_OK);
}

Use Multi-Byte Character Set -- > OK

Use Unicode Character Set -->
Linking...
ssDoc.obj : error LNK2001: unresolved external symbol _SQLConnectW@28


?????????