QSqlDatabase db=QSqlDatabase: : addDatabase (" QODBC "); 
Db. SetDatabaseName (" DRIVER={Microsoft Access DRIVER (*. MDB)}; FIL={MS Access}; DBQ=C: \ \ Users \ \ HJZ \ \ Documents \ \ QTPro \ \ Uver \ \ Database1 MDB "); 
QDebug () & lt; if (! The isValid ()) 
{
QMessageBox: : information (& amp; W, ""," inValid ", QMessageBox: : Information); 
} 
Bool ok=db. The open (); 

If (ok) 
{
QMessageBox: : information (& amp; W, ""," succes, "QMessageBox: : Information); 
} 
The else 
QMessageBox: : information (& amp; W, ""," filed ", QMessageBox: : Information); 

Would you please tell me what the problem, connect Database1. The location of the MDB definitely to no problem, but it is incorrect, change of address to relative address error as well

CodePudding user response:

In addition, I have no password database

CodePudding user response:

Updated qt, solve

CodePudding user response:

Myself have ample food and clothing