Subject | Re: [IBO] Iterating Fields in IBO Dataset |
---|---|
Author | Ross C.Williams |
Post date | 2003-03-31T01:37:55Z |
On Sun, 30 Mar 2003 15:52:21 +0000 (UTC), cprmlao@...
("Luiz") wrote:
("Luiz") wrote:
>I would look at findfield method of tibointernaldataset.Thanks. I'll take a look at it.
>
>Luiz.
>----- Original Message -----
>From: "Ross C.Williams" <ross@...>
>Newsgroups: egroups.ibobjects
>To: <IBObjects@yahoogroups.com>
>Sent: Sunday, March 30, 2003 12:32 PM
>Subject: [IBO] Iterating Fields in IBO Dataset
>
>
>> How do you iterate through fields (columns?) in a dataset?
>>
>> I want to test whether a field with a particular name exists in the
>> dataset. With the BDE I would do this by something like:
>>
>> function FieldExists(DataSet: TDataSet; const Field: string): Boolean;
>> var
>> i: integer;
>> begin
>> result := False;
>> for i := 0 to (DataSet.fieldDefs.count - 1) do
>> begin
>> if DataSet.FieldDefs.Items[i].Name = Field then
>> begin
>> result := True;
>> break; //ends iteration since named field was found
>> end
>> else
>> begin
>> Result := dsFieldExists(DataSet, Field);
>> // Calculated or Lookup field exists
>> end;
>> end;
>> end;
>>
>>
>>
>___________________________________________________________________________
>> IB Objects - direct, complete, custom connectivity to Firebird or
>InterBase
>> without the need for BDE, ODBC or any other layer.
>>
>___________________________________________________________________________
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>>
>>
>
>
>
>
>___________________________________________________________________________
>IB Objects - direct, complete, custom connectivity to Firebird or InterBase
> without the need for BDE, ODBC or any other layer.
>___________________________________________________________________________
>http://www.ibobjects.com - your IBO community resource for Tech Info papers,
>keyword-searchable FAQ, community code contributions and more !
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>