How to fix Expression: m_pAccessor != 0 Debug Assertion Failed!

Shubham Kshirsagar 0

Debug Assertion Failed!

Program: C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll

File: C:\Program Files\Microsoft Visual Studio\2022\Professional\VC\Tools\MSVC\14.39.33519\atlmfc\include\atldbcli.h

Line: 5198

Expression: m_pAccessor != 0

For information on how your program can cause an assertion

failure, see the Visual C++ documentation on asserts.

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Xiaopo Yang - MSFT 12,231 Reputation points Microsoft Vendor

2024-07-10T01:14:58.0966667+00:00

Could you please show a minimal, reproducible sample without private information because it is a Debug Assertion?

Shubham Kshirsagar 0

int Delete_Table( I_EWPlaza *temp )

{

int			number_of_rows;

CSession    session;

CCommand	<CAccessor<I_EWPlaza_DataLayout> > dl;

CDBPropSet	propset( DBPROPSET_ROWSET );

HRESULT		hr;

TCHAR		mySQL[] = "SELECT * FROM I_EWPlaza";

number_of_rows = 0;

propset.AddProperty( DBPROP_CANFETCHBACKWARDS,	true );

propset.AddProperty( DBPROP_IRowsetScroll,		true );

propset.AddProperty( DBPROP_IRowsetChange,		true );

propset.AddProperty( DBPROP_UPDATABILITY,		DBPROPVAL_UP_CHANGE | DBPROPVAL_UP_INSERT | DBPROPVAL_UP_DELETE );

hr = session.Open( Database.db );

if( FAILED( hr ) )

{

	Database.db.Close();

	return( -1 );

}

hr = dl.Open( session, mySQL, &propset );

if( FAILED( hr ) )

{

	session.Close();

	Database.db.Close();

	return( -1 );

}

while( dl.MoveFirst() == S_OK )

{

	number_of_rows++;

	dl.Delete();

}

if ( number_of_rows > 0 )

	Delete_Table( temp );

dl.Close();

session.Close();

return( 1 );
}  
as breakpoint come at this line  
while( dl.MoveFirst() == S_OK ) 
i am getting above error

Minxin Yu 10,951 Reputation points Microsoft Vendor

2024-07-10T07:02:55.27+00:00
There are many undefined variables in the snippet above . We are unable to test and reproduce the problem.

Can you provide a complete minimal example that can be run directly? Create a new console project and remove personal privacy information, leaving the minimum code that can run.

What database are you connecting to, mysql or sql server? And how is the database I_EWPlaza designed?

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How to fix Expression: m_pAccessor != 0 Debug Assertion Failed!