C through the ODBC connection to the MySQL database can be read, but add change will make a mistake,-CodePudding

Application to this error

CodePudding user response:

Why create ODBC ADO recordset object

CodePudding user response:

G_pRS global? Into a local variable, to release after use

CodePudding user response:

See what mistakes or add exception handling

 try 
{
//your ADO code 
} 
The catch (_com_error & amp; E) 
{
Cstrings strMsg; 
StrMsg. The Format (_T (" error description: % s \ n error message % s "), 
(LPCTSTR) e.D escription (), 
(LPCTSTR) e.E rrorMessage ()); 
AfxMessageBox (strMsg); 
}

CodePudding user response:

To connect to the MySQL database using MySQL Connector/C is more convenient,
There is a ready-made:
http://www.allmai.net/? CTRL=detail& Method=note& Id=10 & amp; Typename=note

CodePudding user response:

MFC under the vc + + ADO access to connect the MySQL database to add delete modify database