THANKS VERY MUCH for so exhaustive reply! :-)
I made my program run before I saw your reply, but I can't understand
how it works.
The problem seems to be caused by the 1st parameter of sqlite3_exec.
sqlite3_exec(pDoc->m_db,pDoc->m_strSQL,sqlCallback_UpdateList , 0,
&(pDoc->m_pErrMsg));
I changed "pDoc->m_db" and it works.Just like this:
void CMainView::myUpdateView()
{
CSenateSystemDoc* pDoc = GetDocument();
sqlite3_open("SenateSystem", &db);
sqlite3_exec(db,pDoc->m_strSQL,sqlCallback_UpdateList , 0,
&(pDoc->m_pErrMsg));
//formerly "sqlite3_exec(pDoc->*m_db*,"select * from table1",
sqlCallback_UpdateList, 0, &(pDoc->*m_pErrMsg*));"
sqlite3_close(db);
db = 0;
}
I haven't made any changes to callback function ,but it works. Why?
And why using a "sqlite3*" declared in another class(here pDoc->*m_db*)
will fail?
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