Illegal Cast Exception

[Steve Albin]

On 10/16/09 at 5:19 PM, steve at steve-albin.com (Steve Albin) wrote:

>I just upgraded to V4RB 4.3 from 4.1.  Without changing 
>anything in my project, I built the Mac version and ran.  I'm 
>getting Illegal Cast Exceptions on VarChar fields in lots of 
>places where I use an index as so:
>return cursor.VarCharField(templateFieldCount+2).value
>and like this:
>return VVarChar(cursor.Field(nTplPersonnelFldOffset+1)).GetString
>

To follow up my own post, it appears the cause of the problem is 
that the VTable.FieldCount is returning 0 for tables that 
definitely have fields.  So there is no problem with casting - 
I'm just not getting the correct index when I use FieldCount to 
calculate the field I want to get.


Steve



-- 
Steve Albin - Montclair, NJ
http://www.jazzdiscography.com/
http://www.steve-albin.com/