Speed is up to the architecture of the components. If they use ADO or other data access the right way, speed won't be an issue. VB by itself is not bad in these situations, but any code can be written well or poorly.

>Thank you for the quick reply. What about speed, my application will in fact be in Internet Application therefore speed will be critical.
>
>-Mark
>
>>There shouldn't be any problems but bear in mind that the VB components will more than likely send/request ADO recordsets for sets of data. You need to ensure that the interface is well-documented.
>>
>>>I am about to write a system that will retrieve and write data to a SQL database. My problem is that the request must go through Visual Basic Business Application.
>>>
>>>The programmers would write a DLL for me, that I would call. These DLLs would allow me to retrieve data and also write data back to SQL server.
>>>
>>>My experience with Visual Basic is limited, and I was wondering if there were any problems with this, or is this easy?
>>>
>>>TIA,
>>>Mark