[Zope] Content Management

[PieterB]

> <<SQL statement:>>
> 
> UPDATE A1
> SET 
> A1_Title=<dtml-sqlvar a1_Title type="string">,
A quick guess... what about not quoting type="string", e.g.
  
   A1_Title=<dtml-sqlvar a1_Title type=string>

Have you read http://www.zope.org/Members/jshell/ZSQLMethods-InsertingData
?

PieterB