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Forums » Prof-UIS General Discussion » Crash while calling SelectionGetFirstRowInColumn() Collapse All
Subject Author Date
Upanshu Yadav Sep 21, 2010 - 3:40 AM

Hi i am getting an assertion in debug mode but not in Release mode while calling SelectionGetFirstRowInColumn(0)


 


I am pasting my  code please tell me what can be the possible cause of this assertion?


 


unsigned long CDRReportGrid::GetSelectedCount()



{



 int nSelectionCount = 0;



 int nSel = SelectionGetFirstRowInColumn(0);



 while(nSel >= 0)



  {



 nSelectionCount++;



 nSel = SelectionGetNextRowInColumn(0, nSel);



  }



  return nSelectionCount;



}


 


I am getting the assertion in the line in bold.


I am writing the call stack as well.


> AVLControlCenter.exe!CDRReportGrid::GetSelectedCount()  Line 506 + 0xd C++

  AVLControlCenter.exe!CMsgDockDlg::OnUpdateAck(CCmdUI * pCmdUI=0x00125618)  Line 708 + 0xe C++

  mfc71d.dll!_AfxDispatchCmdMsg(CCmdTarget * pTarget=0x047472d6, unsigned int nID=109, int nCode=-1, void (void)* pfn=0x009d8863, void * pExtra=0x00125618, unsigned int nSig=61, AFX_CMDHANDLERINFO * pHandlerInfo=0x00000000)  Line 162 C++

  mfc71d.dll!CCmdTarget::OnCmdMsg(unsigned int nID=109, int nCode=-1, void * pExtra=0x00125618, AFX_CMDHANDLERINFO * pHandlerInfo=0x00000000)  Line 396 + 0x27 C++

  mfc71d.dll!CWnd::UpdateDialogControls(CCmdTarget * pTarget=0x047472d6, int bDisableIfNoHndler=0)  Line 4471 + 0x1d C++

  AVLControlCenter.exe!CMsgDockDlg::OnInitDialog()  Line 465 C++

  mfc71d.dll!AfxDlgProc(HWND__ * hWnd=0x000606bc, unsigned int message=272, unsigned int __formal=395018, unsigned int __formal=395018)  Line 31 + 0xe C++


 


 


 
Technical Support Sep 21, 2010 - 9:58 AM

If you step into the CExtGridBaseWnd::SelectionGetFirstRowInColumn() in debug mode, then you will see that all the assertions there are just for checking valid row/column number parameters.