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Delphi Error Unidirectional Dataset

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RE: AV when using ADO ActiveDelphi .: O site do programador Delphi! :. Voltar ao Topo CapablancaNovatoRegistrado: Sexta-Feira, 2 de Julho de 2004Mensagens: 79 Enviada: Sáb Jul 03, 2004 4:03 pm Assunto: Erro: operation not allowed on a unidirectional dataset Beleza. Craig Stuntz [TeamB] Delphi Developer 2006-04-13 09:15:22 PM Re:"operation not allow on a unidirectional dataset" when connect firebird to db grid Dmitry Arefiev writes: Quote To connect TDBGrid you should use Observação: Não se esqueça de colocar no evento BeforeRefresh do componente ClientDataSet, o seguinte código: ClientDataSet1.ApplyUpdates(-1); Caso você não coloque, aparentemente (na tela), os dados são alterados, mas o banco de

Thanks, David David Pate Delphi Developer 2003-11-02 10:12:45 AM Re:Error message "operation not allowed on a unidirectional dataset" When I try to preview I get the above error message; Join them; it only takes a minute: Sign up dbgrid without client dataset up vote 2 down vote favorite I have a form with a dbgrid and an sqlquery component. Writing referee report: found major error, now what? Minecraft commands CanPlaceOn - Granite What is fungibility and why does it matters?

bemvindo Voltar JOBS Baixe o APP Assine MVP Guias de Referncia Cursos & Sries ltimas Atualizaes ltimas Atualizaes Voltar Front-end web Mobile Java .net Banco de dados Engenharia de Software Delphi MSAccessDB - error: operation is not allowed when the object is open 6. FAQ Pesquisar Membros Grupos Registrar Perfil Entrar e ver Mensagens Particulares Entrar Erro: operation not allowed on a unidirectional dataset ActiveDelphi - Índice do Fórum -> Delphi Exibir mensagem By ignoring the error message and running the program the connection is fine.

But when I connect my "tsqlquery" to "tdbedit" and other db component there is no issues. Get stored procedure source code5. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. you can try this out Re: Earth to Ewan McNab of Team Coherence4.

The components are associated as follows: 1) myTDBGrid DataSource: myTDataSOurce 2) myTDataSource DataSet: myTSQLQuery 3) myTSQLQuery Connection: myTSQLConnection When compile and run a error message broke the application: Operation not allowed By joining you are opting in to receive e-mail. If it is the case, you need to change the cursor type to something else. Switching to DBText controls is a way to get around this problem.

RE: DBEXPRESS: Operation not allowed on unidirectional dataset TimSNL (Programmer) 29 Jan 02 16:56 "Operation not allowed on unidirectional dataset"A unidirectional dataset can only move through records in one direction, not Re: A Tale of Two Memory Managers (long)3. Browse other questions tagged delphi delphi-2010 dbexpress object-pascal or ask your own question. by the ways i am using firebird version 1.5.

With Delphi XE2 and Fast Report 4.0 the reports are all working fine!!!I tried to use FireDAC instead of DBExpress and then only get empty reports without an error message.What can http://completeprogrammer.net/delphi-error/delphi-error-code-32.html Forum New Posts Today's Posts FAQ Calendar Forum Actions Mark Forums Read Quick Links View Site Leaders dBforums Database Server Software Oracle Delphi 7 DBExpress If this is your first visit, How can this be done? coloquei um datasource e linkei com a query.

Explicando o porquê da mensagem de erro que está aparecendo para você: Os componentes de conexão DBExpress são UNIDIRECIONAIS. Writing referee report: found major error, now what? Because of this, you can only navigate using the First and Next methods. news RE: DBEXPRESS: Operation not allowed on unidirectional dataset Dooda (IS/IT--Management) 29 Jan 02 06:43 I haven't used dbexpress, but have seen changing the datasource of a Tquery fail if the Tquery

Operation not allowed in a DBCtrlGrid 5. You may have to register before you can post: click the register link above to proceed. at aqui no deu erro nenhum, mas quando fui linkar o datasource com o dbgrid apareceu a seguinte mensagem de erro: Operation not allowed on a unidirectional dataset.e agora o q

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Success! Site Message (Message will auto close in 2 seconds) Welcome Guest ( Log In | Register ) Fast Reports forum>Fast Reports Products>FastReport VCL 5 DBExpress Operation not allowed on a Source Code Control API1. More about the author To simplify things, start with TSimpleDataSet.

Subscribed! Stupid question, but what is the Nagle/UseNagle? (IdTCP)3. Join them; it only takes a minute: Sign up DBGrid not show records up vote 0 down vote favorite Im try populate grid in Delphi, with values from database. The time now is 20:54.

What are the drawbacks of the US making tactical first use of nuclear weapons against terrorist sites? conseguiu fazer a conexão e se seus os objetos DATACONTROLS estão mostrando seus dados como vc. Quote or link TClientDataSet->TDataSetProvider->TSQLQuery. If I am fat and unattractive, is it better to opt for a phone interview over a Skype interview?

Gostaria de saber porque isso está ocorrendo, visto que utilizo esses mesmos componentes na empresa onde trabalho e tal problema não acontece. Login with LinkedIN Or Log In Locally Email or Username Password Remember Me Forgot Password?Register ENGINEERING.com Eng-Tips Forums Tek-Tips Forums Search Posts Find A Forum Thread Number Find An Expert Results 1 to 4 of 4 Thread: Delphi 7 DBExpress Tweet Thread Tools Show Printable Version Subscribe to this Thread… Search Thread Advanced Search Display Linear Mode Switch to Hybrid Resources Join | Indeed Jobs | Advertise Copyright © 1998-2016 ENGINEERING.com, Inc.

Because there's no buffering of multiple records, you can't move in any direction except forward, which means that the DBGrid could not display multiple rows or support scrolling. (In fact, all Regards, Dmitry =========================================== Dmitry L. TDBGrid requires bidirectional dataset, but TDBEdit does not require dataset to be "bi" or "uni".