Thanks Fred

I have taken your advice:)



>>I think I have solved this problem now.
>>
>>It looks like it was because, oDS, my object reference was going out of scope when the forms load event finished.
>>
>>I have made oDS public now and all seems ok.
>>
>>Should I have made oDS a property of my form instead of a variable.
>>Would this slow things down?
>
>Yes, a form property would be the preferred way to deal with something that only belongs to the form. A PUBLIC variable could cause you trouble. No, I doubt that speed would be an issue here.