void CSQL::SetCommandParameter(System::Data::OleDb::OleDbCommand ^comm,ArrayList ^ params)
{
    [color=#FF0000]IEnumerator^ paramsEnum = params->GetEnumerator();[/color]
    int i=0;
    //将params中的参数添加到comm中
    while(paramsEnum->MoveNext())
    {
        comm->Parameters->Add("@P"+i.ToString(),paramsEnum->Current);
    }
}

int CSQL::Insert(System::String ^insertCommand)
{
    return this->ExcuteNonQuery(insertCommand,nullptr);
}

int CSQL::Insert(System::String ^insertCommand, ArrayList ^params)
{
    return this->ExcuteNonQuery(insertCommand,params);
}

int CSQL::Update(System::String ^updateCommand)
{
    return this->ExcuteNonQuery(updateCommand,nullptr);
}