Thanks for all the ideas. I tried them all but none fixed the problem, which led me back to the conclusion that the data type change must have not worked...

Hi guys

Thanks for all the ideas.

Yes, I am certain its only the long memo field which is doing this. To prove it I removed the insert behaviour for all form...

Hi Guys

Thanks for the replies.

The code that does the insert is standard Dreamweaver CS5 insert code, no SP involved:

If (CStr(UploadFormRequest("MM_insert")) = "form1") Then

If (Not MM_abortEdit) Then

...