How to insert a number using ADO or OLEDB by oracle provider

Question

I create a talbe .
Create Table A
(id number(7));
I use ADO to access the table a;
_ConnectionPtr pConn=NULL;
pConn.CreateInstance(__uuidof(Connection));
_RecordsetPtr pRst=NULL;
pRst.CreateInstance(__uuidof(Recordset));
pConn->Provider="OraOLEDB.Oracle.1";
try
     pConn->Open("","ISVISION","ISVISION",NULL);
     pRst->CursorLocation=adUseClient;
     pRst->Open("A",pConn.GetInterfacePtr(),adOpenStatic,adLockOptimistic,adCmdTable);
     pRst->AddNew();
     pRst->Fields->Item[0L]->Value=100L;
//It raise a exception,why?
//If I convert the datetype of "ID" to CHAR(7)
//and pRst->Fields->Item[0L]->Value=L"100",it is ok.
     pRst->Update();
     pRst->Close();
     pConn->Close();
catch (_com_error& e)
     MessageBox(e.Description(),"error",MB_OK|MB_ICONWARNING);
     return ;
if (pConn)
pConn.Release();
if (pRst)
pRst.Release();
I create a table A。
create table A
     ID number(7)
Now ,I use OLE DB to access the table A;
struct CIsA
     CIsA()
          memset(this, 0, sizeof(*this));
public:
     DB_NUMERIC m_ID;
     BEGIN_COLUMN_MAP(CIsA)
          COLUMN_ENTRY_PS(1, 7, 0, m_ID)
     END_COLUMN_MAP()
DEFINE_COMMAND(CIsA, _T("SELECT ID FROM A"))
CDataSource DataSource;
HRESULT hrt=DataSource.Open(_T("OraOLEDB.Oracle.1"),NULL,_T("ISVISION"),_T("ISVISION"));
CSession Session;
hrt=Session.Open(DataSource);
CDBPropSet propset(DBPROPSET_ROWSET);
propset.AddProperty(DBPROP_IRowsetChange, true);
propset.AddProperty(DBPROP_UPDATABILITY,
     DBPROPVAL_UP_INSERT | DBPROPVAL_UP_CHANGE | DBPROPVAL_UP_DELETE);
CCommand<CAccessor<CIsA> > Command;
Command.Open(Session,NULL,&propset);
tcscpy((TCHAR*)Command.mID.val,_T("1245"));
Command.m_ID.sign=1;
hrt=Command.Insert();//It is wrong,why?
Command.Close();
Session.Close();
DataSource.Close();
In Fact,the two problems is the same. The key of problem is how to insert a number into oracle.
help me! thank you.

Answer 1

hi
create a table something like this.
create table image(
Image_Id number(5),
Image    blob);create a form with the same table and use the following code.
when-button-pressed trigger.
read_image_file('c:\image_name.jpg' , 'jpg' , 'image.image');if its correct/helpful please mark it thanks.
sarah