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Thu, Aug 27 2009 12:01 PM | Permanent Link |
Brent | I'm probably doing something silly here, but I can't figure it out. I want to open an
EDBConfig.EDBCFG and get a list of databases. But it always returns 0 rows. No errors are reported so it is opening the config file. Here is the code. CfgFileName := 'D:\Data\ElevateDb\Tutorial\EDBConfig.EDBCFG'; with EDBEngine1 do begin Active := false; ConfigPath := ExtractFilePath(CfgFileName); Active := true; end; with EDBSession1 do begin Connected := false; LocalConfigPath := ExtractFilePath(CfgFileName); LocalConfigExtension := ExtractFileExt(CfgFileName); Connected := true; ListBox1.Clear; GetDatabaseNames(ListBox1.Items); ShowMessage(IntToStr(ListBox1.Items.Count)); //Always 0 rows returned end; So what am I doing wrong. TIA Brent |
Thu, Aug 27 2009 12:22 PM | Permanent Link |
Uli Becker | Brent,
First of all: if you want to use the LocalConfigPath of the session, be sure that TEDBEngine.UseLocalSessionEngineSettings is set to true. Otherwise the global settings of the engine are use. Since you set ConfigPath of the engine, it should work anyway. Are you sure that you already created the databases using CfgFileName? Uli |
Thu, Aug 27 2009 1:20 PM | Permanent Link |
Brent | <<Uli Becker wrote:
Brent, First of all: if you want to use the LocalConfigPath of the session, be sure that TEDBEngine.UseLocalSessionEngineSettings is set to true. Otherwise the global settings of the engine are use. >> Ok, thanks. I just switched it to True and it didn't make any difference. <<Since you set ConfigPath of the engine, it should work anyway. Are you sure that you already created the databases using CfgFileName?>> Correct. This is the location of the Tutorial database that I created using EDBMgr which has the Customer table. I can open this database using the EDBMgr and see the Tutorial database in it and the Customer table. I copied and pasted the text from the Local Configuration File Folder from the EDBMgr to ConfigPath in my Delphi program to avoid any typos and added the file extension "EDBConfig.EDBCFG" file name. I can confirm the EDBCFG file is there. If I change the ConfigPath to something that doesn't exist and run the program, it reports that it can't find the EDBCFG file. So it is definitely opening the EDBCFG file because no error is reported with the correct ConfigPath. I then ran Process Monitor from SysInternals and it confirmed it was opening the D:\Data\ElevateDb\Tutorial\EDBConfig.EDBCfg file. So I'm at a bit of a loss as to why GetDatabaseNames() is returning no rows. There is a Tutorial database in there with a Customer table. Are there any code examples of this function working? I looked in the help file and manual and couldn't find any. TIA Brent |
Thu, Aug 27 2009 1:41 PM | Permanent Link |
Uli Becker | Brent ,
> Are there any code examples of this function working? I looked in the help file and manual > and couldn't find any. actually you don't need any code to make this work. > and added the file extension "EDBConfig.EDBCFG" file name I don't understand what you mean by this. Normally there is no need to change anything here. These are the basic steps to setup the database access: 1. Drop a TEDBEngine (MyEngine) component onto your form. 2. Drop a TEDBSession (MySession) component onto your form. 3. Drop a TEDBDatabase (MyDatabase) component onto your form. Now edit these properties and don't do anything else: 1. MyEngine.ConfigPath := 'D:\Data\ElevateDb\Tutorial'; 2. MySession.LoginUser := 'Administrator'; 3. MySession.LoginPassword := DefaultPasswordOfEDB; 4. MySession.SessionName := 'TEST'; 5. MyDatabase.SessionName := 'TEST'; If you now click on the dropdown field "Database" in MyDatabase it *must* show the available databases. Please check these steps. Uli |
Thu, Aug 27 2009 3:20 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. ![]() | Brent,
<< I'm probably doing something silly here, but I can't figure it out. I want to open an EDBConfig.EDBCFG and get a list of databases. >> GetDatabaseNames only returns the names (DatabaseName property) of any TEDBDatabase components that have been created for the session. What you want is the GetDatabases() method: http://www.elevatesoft.com/manual?action=mancompmethod&id=edb2&product=d&version=7&comp=TEDBSession&method=GetDatabases However, in general, you should probably get used to directly querying the Configuration system tables for such information: http://www.elevatesoft.com/manual?action=mantopic&id=edb2sql&category=3&topic=39 -- Tim Young Elevate Software www.elevatesoft.com |
Sat, Aug 29 2009 6:00 PM | Permanent Link |
Brent | Uli & Tim,
Thanks guys, that worked! ![]() Brent |
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