Cannot Perform This Operation On A Closed Dataset
asked 5 years ago viewed 35303 times active 5 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Linked 0 Cannot perform this operation on a closed dataset: Delphi That allows me to refer to components on the DataModule from the OnCreate handler of the main form. Paul / ColumbuSoft www.columbusoft.com QuoteCraig Leidy
http://sourceforge.net/p/zeoslib/tickets/ Top EgonHugeist Zeos Dev Team Posts: 1700 Joined: 31.03.2011, 22:38 Quote Postby EgonHugeist » 14.09.2012, 10:38 patyit, I can do what i want. Programmer's Town »Delphi & Builder »IBQuery1: Cannot perform this operation on an open dataset. Buy Download dotConnect for SQLite dotConnect for SQLite An enhanced database connectivity solution for SQLite built over ADO.NET architecture and a development framework with a number of innovative technologies and support Buy Download dbExpress Driver for SQLite dbExpress Driver for SQLite dbExpress Driver for SQLite is a database-independent layer that defines common interface to provide direct access to SQLite from Delphi and
Cannot Perform This Operation On A Closed Dataset
Buy Download SSIS Components for Magento SSIS Components for Magento A set of SSIS Data Flow components for SQL Server Integration Services (SSIS) packages that includes Source component with convenient editor What you want ? Buy Download SSIS Components for SugarCRM SSIS Components for SugarCRM A set of SSIS Data Flow components for SQL Server Integration Services (SSIS) packages that includes Source component with convenient editor
Now it gives me the above error about a closed dataset. One option is to explicitly open the dataset in the FormCreate event and add error handling code there, this will allow you to see the error message and debug from there. because if the close operations happens more then once and you don't know about, then it might be that other operations happen more than once also, which might lead to undesired Cannot Perform This Operation On A Closed Dataset Sqlite But as I said it works fine for the most part, just happens out of the blue. 0 LVL 28 Overall: Level 28 Delphi 25 Message Expert Comment by:ciuly2005-08-25 Comment
This allows you to do change the DatabaseName > without any problems. Cannot Perform This Operation On A Closed Dataset Delphi So now I don't need to call CommitUpdates after Commit ? Cannot perform this operation on a closed dataset... 7. Join our community for more solutions or to ask questions.
Setting Active to true: Generates a BeforeOpen event. Cannot Perform This Operation On A Closed Dataset Sql Server A solution could be to define and use a critical section everywhere in your code you're dealing with the query. Obviously it shouldn't be used as in the example you provide. Database.StartTransaction; try Query1.ApplyUpdates; Query2.ApplyUpdates; Query3.ApplyUpdates; Database.Commit; // <--- Error message: 'External: SIGSEGV'.
Cannot Perform This Operation On A Closed Dataset Delphi
Download dbForge Fusion for SQL Server dbForge Fusion for SQL Server Visual Studio plugin for database development and administration tasks. have a peek at these guys My current settings are below. Btw. Use the new bugtracker dude! Cannot Perform This Operation On A Closed Dataset Sql
When you don't use a TDatabase component yourself, Delphi creates a default TDatabase when opening a table. It is only when you try to change directory that it checks the new directory. The Paradox file name is in the SQL command. check over here According to the help file, attempting to modify this property while the TDatabase component is disconnected will raise an exception.
This is a forum that will be removed once the 7.X version goes into stable!! Cannot Perform This Operation On An Empty Dataset Then if you really do want to use an alias, perhaps to move your data from Paradox to a SQL server, you just need to point the TDatabase component at the FREE Products FREE Products A set of tools distributed free of charge SQL Server Tools SQL Server Tools Must-have tools for SQL Server database development, management and administration.
When you deploy your application, if the same tables do not exist in the same directories on the user's machine, then you will get an exception as the app starts.
Life will be easier if you always use a TDatabase component. -- Bill Todd (TeamB) (Questions received via email cannot be answered.) Other Threads 1. Buy Download SSIS Components for BigCommerce SSIS Components for BigCommerce A set of SSIS Data Flow components for SQL Server Integration Services (SSIS) packages that includes Source component with convenient editor Alternatively, you can modify the Directory property of the TDatabase component. Adoquery Cannot Perform This Operation On A Closed Dataset delphi/adoStoredProc: Cannot Perform this operation on a closed dataset 9.
try DM.Database1.Directory:=DataDir; // Try to set the directory. Gürcan YüCE Delphi Developer Fri, 18 Jul 2008 06:07:39 GMT Re:Query1: Cannot perform this operation on an open dataset is it multithreaded environment? Excel Add-ins Excel Add-ins Excel add-ins that allow you to work with database and cloud data in Microsoft Excel as with usual Excel spreadsheets. this content OleException: cannot perform operation on an open dataset 2.
In such cases, you have to… Delphi The best way for TEdit Number validation by type number Article by: Mahdi78 Hello everybody This Article will show you how to validate number It will help you analyze database structure differences, and effectively propagate changes to a required MySQL Server. ODBC Driver for SQLite also provides SQLite DB encryption to protect your data from unauthorized access. Buy Download Compare Bundle for Oracle Compare Bundle for Oracle Set of tools for comparison and deployment of any Oracle schema or data changes.
Buy Download Compare Bundle for MySQL Compare Bundle for MySQL Set of tools for comparison and deployment of any MySQL and MariaDB schema or data changes. Jan Dogge Delphi Developer Sat, 19 Jul 2008 20:39:14 GMT Re:Query1: Cannot perform this operation on an open dataset What database? Triggers an AfterClose event. It can read data from a database or other source (such as a provider).
i.e. Set your database.Connected property to False prior to changing the DatabaseName property. Lazarus 1.0.8 fpc 2.6.0 Top ism Zeos Test Team Posts: 202 Joined: 02.10.2010, 20:48 Quote Postby ism » 18.08.2012, 17:27 Try last rev from http://svn.code.sf.net/p/zeoslib/code-0 ...