C++Builder Personal で ADO

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void __fastcall TForm1::Button11Click(TObject *Sender)

{

    const int adOpenDynamic         =  2;

    const int adOpenForwardOnly     =  0;

    const int adOpenKeyset          =  1;

    const int adOpenStatic          =  3;

    const int adOpenUnspecified     = -1;
    const int adLockBatchOptimistic =  4;

    const int adLockOptimistic      =  3;

    const int adLockPessimistic     =  2;

    const int adLockReadOnly        =  1;

    const int adLockUnspecified     = -1;
    Variant cn = Variant::CreateObject("ADODB.Connection");
    //Edit3 に mdbファイル名を入力

    cn.Exec(PropertySet("ConnectionString")<<"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Edit3->Text + ";");

    cn.Exec(Procedure("Open"));
    //Edit4 に テーブル名を入力

    Variant rs = Variant::CreateObject("ADODB.Recordset");

    rs.Exec(PropertySet("Source")<<Edit4->Text);

    rs.Exec(PropertySet("Activeconnection")<<cn);

    rs.Exec(PropertySet("CursorType")<<adOpenDynamic);

    rs.Exec(PropertySet("LockType")<<adLockOptimistic);

    rs.Exec(Procedure("Open"));
    rs.Exec(Procedure("AddNew"));

    rs.Exec(PropertyGet("Fields")<<0).Exec(PropertySet("Value")<<Edit1->Text);

    rs.Exec(PropertyGet("Fields")<<1).Exec(PropertySet("Value")<<Edit2->Text);

    rs.Exec(Procedure("Update"));
    rs.Exec(Procedure("Close"));

    cn.Exec(Procedure("Close"));

}