c++ - CDatabase.OpenEX Connection String issue -


i want open access database without displaying dialog box ( incase of error )

the code use 

cdatabase db;  cstring constring; cstring dbpath = _t("c:\testdb.mdb");    constring.format(_t("odbc;driver={microsoft access driver (*.mdb)};dsn='';dbq=%s"), dbpath) ;  db.openex(constring,cdatabase::noodbcdialog);  // fails open connection  db.open(null, false, false, constring); // works well, displays dialog box in case of error.


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