ADO Connection Pooling Using CPP.

From:
sk.rasheedfarhan@gmail.com
Newsgroups:
microsoft.public.vc.language
Date:
8 Dec 2006 07:05:29 -0800
Message-ID:
<1165590329.141342.135910@l12g2000cwl.googlegroups.com>
Hi ,

i want to manage connection pooling using C++ code, below is the code i

am using so can any body tell me if this code is correct or not ? if
not plz send me a snap shot !!!
if the code is correct i am having some queries:
              1) my connection string is correct or not ? In my code it

is not throwing any exception & working properly
              2) in connection string i am using pooling = true/false
but it is not creating new connection. i hope it is using pooling
concept implicitly but in false case it has to create a new conection
each iteration.
              3) m_pConnection->Close(); is not loosing the connection
i am seeing in the Perfmon.msc ->(SQL Server:General Statistics,User
Connections) but it is not loosing the connection(graph is not
falling).

I was very confused to Debug and analyze according to theory concepts
so plz some body help.

int main()
{
        CoInitialize(NULL);
        _ConnectionPtr m_pConnection;
        _ConnectionPtr rasheed;
        m_pConnection.CreateInstance(__uuidof(Connection));
        for(int i = 0; i < 100; i++)
        {
                try
                {
                                  //Connection String and Connection
Creation........
                     m_pConnection->Open("Provider='SQLOLEDB'; Persist
Security

Info=False;UserID=sa;Password=sa; Data Source=

(local);Initial Catalog='databasename';Integrated
                                     Security='SSPI';Min Pool
Size=0;Max Pool Size=10;OLE DB Services= -
                                      1; pooling = true","","",
adConnectUnspecified );

                //Connection Close........
                m_pConnection->Close();
                }//End of Try block

                catch(_com_error & conn)
                {
                        printf("%s",conn.ErrorMessage);
                }//End of Catch block
        }//End of loop

        CoUninitialize();
        return 0;
}

Sincerly,
Rasheed

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