Solved

TQuery.RecNo have -1 value?

Posted on 1998-04-15
2
716 Views
Last Modified: 2008-02-01
TQuery.RecNo have -1 value?
I want the same selected record
after the refresh like the dbase program
&&&&&&
recno = recno()
close
select 1
use data
go recno
&&&&&&&&&&
but the BCB program
recno = myQuery->RecNo;
myQuery->Close();
// do something
myQuery->Open();
myQuery->MoveBy(recno);
//////////////
Check the value of recno is -1.
Why? Can you tell me? Thank you!
0
Comment
Question by:mathematics
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
2 Comments
 
LVL 5

Accepted Solution

by:
julio011597 earned 100 total points
ID: 1361551
Is this a query on an SQL database?

If so, here is the answer (cut-and-past'ed from the Help file):

"The RecNo property returns a record number for the current record in the dataset. Record numbers are only available for Paradox and dBASE tables; the concept isn't supported by most SQL servers so a table in a SQL database always returns -1 for RecNo."

HTH.
0
 
LVL 5

Expert Comment

by:julio011597
ID: 1361552
mathematics, this is not first time i answer a question of yours and get either a low grade or an autograde... but, believe me, this will be last time.
0

Featured Post

Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

In this tutorial I will show you how to use the Windows Speech API in Delphi. I will only cover basic functions such as text to speech and controlling the speed of the speech. SAPI Installation First you need to install the SAPI type library, th…
Introduction I have seen many questions in this Delphi topic area where queries in threads are needed or suggested. I know bumped into a similar need. This article will address some of the concepts when dealing with a multithreaded delphi database…
If you're a developer or IT admin, you’re probably tasked with managing multiple websites, servers, applications, and levels of security on a daily basis. While this can be extremely time consuming, it can also be frustrating when systems aren't wor…
Add bar graphs to Access queries using Unicode block characters. Graphs appear on every record in the color you want. Give life to numbers. Hopes this gives you ideas on visualizing your data in new ways ~ Create a calculated field in a query: …

691 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question