[VCOM] Question: How to get the Field-Type?

[blackfin]

Ruslan Zasukhin schrieb:
> On 21/10/07 5:12 PM, "blackfin" <blackfin at elfenherz.de> wrote:
> 
> Hi Martin,
> 
>> How to determine the Field-Type in VCOM?
>>
>> Example:
>>
>> Cursor := DB.sqlselect('SELECT * FROM T1') ;
>> Cursor.Firstrecord() ;
>>
>> Then, when I do a...
>>
>> FieldType := Cursor.Field(index).type_ ;
>>
>> ...I get an access violation.
>>
>> I tried Fieldtype for every numeric type (as Integer, TOleNum, Cardinal
>> etc ...), but none works, always an access violation.
> 
> Try split it on 2 lines:
> 
>     fld := Cursor.Field(index)
> 
>     FieldType := fld.type_ ;
> 
> And see if fld is not nil before you call .type
> 
> 

Ok, tried. Does not work either.
It is NOT nil but a Vfield, I also successfully fill a Grid View with 
the field.name(s) and field.value(s), but when accessing field.type_, I 
get this access violation.

> 
>