Go Back   NexusDB Newsgroups > Search Forums
Log in
FAQ Members List Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 50 of 58
Search took 0.01 seconds.
Search: Posts Made By: gsachs
Forum: nexusdb.public.support 9th June 2020, 09:36 PM
Replies: 2
Views: 465
Posted By gsachs
Problem solved with 4.5022

Problem solved with 4.5022
Forum: nexusdb.public.support 9th June 2020, 08:25 PM
Replies: 2
Views: 465
Posted By gsachs
Access violation when writing string

When I try to write a string to a table with a wide string field of length 1 I get an access violation. The exception happens in the System._WStrLen routine.
It happens only in Delphi 10.4, nx...
Forum: nexusdb.public.support 11th February 2020, 07:12 PM
Replies: 3
Views: 665
Posted By gsachs
Solved

While preparing a demo project, I found that I used the wrong masterfield for a master-detail relation, so the new record was invisible as you suspected. It is working now, thank you.
Forum: nexusdb.public.support 11th February 2020, 03:01 AM
Replies: 3
Views: 665
Posted By gsachs
Memtable has autoinc value of NULL

I have an empty nxmemtable where I add one record :
MemTblPP.Append;
MemTblPP['Code'] := aCode;
MemTblPP['Name'] := aName;
MemTblPP.Post;
v := MemTblPP['ID'];

The ID field is declared...
Forum: nexusdb.public.support.cbuilder 29th January 2020, 06:24 PM
Replies: 2
Views: 1,430
Posted By gsachs
Which NexusDB supprts C++Builder5

For a very old project created with C++Builder5 the customer needs a functional update. I am thinking of using NexusDB for that. Which version, if any, do you recommend for that.

Regards
Gerhard...
Forum: nexusdb.public.support.qualitysuite 19th September 2016, 07:56 PM
Replies: 5
Views: 8,807
Posted By gsachs
I wanted to profile a mathematical evaluation...

I wanted to profile a mathematical evaluation that is part of a larger software. After I changed it into a separate Exe with no filehandling, it worked much better. This time I was able to find a...
Forum: nexusdb.public.support.qualitysuite 19th September 2016, 07:46 PM
Replies: 3
Views: 4,327
Posted By gsachs
I tried it again at home using my private...

I tried it again at home using my private notebook and it worked with no trouble. The problem is solved for me, thank you.
Forum: nexusdb.public.support.qualitysuite 17th September 2016, 02:36 AM
Replies: 3
Views: 4,327
Posted By gsachs
unable to download Nexus Quality suite 1.60

whenever I try to download V1.60 of quality suite the download starts normally but is interrupted some time later.
No matter if I use Firefox or Internet Explorer, store it on a local or network...
Forum: nexusdb.public.support.qualitysuite 17th September 2016, 02:04 AM
Replies: 5
Views: 8,807
Posted By gsachs
The OpenDialog behaves the same on local or...

The OpenDialog behaves the same on local or network drives. I can select drives at will but the list below stays empty. The taskmanager shows a CPU load of 11%. When I type a file name and click the...
Forum: nexusdb.public.support.qualitysuite 16th September 2016, 12:51 AM
Replies: 5
Views: 8,807
Posted By gsachs
LineTimer blocks OpenDialog

On my application I want to profile only a single method. That method is called after a file is read in and processed.
When the OpenDialog occurs, it shows normally folders and files contained in...
Forum: nexusdb.public.support 15th January 2016, 06:04 PM
Replies: 2
Views: 1,465
Posted By gsachs
Yes, you got it, the post was the problem. The...

Yes, you got it, the post was the problem.
The record is written in several stages.
In the first stage, the record was appended and some global fields are written but the posts were issued only in in...
Forum: nexusdb.public.support 15th January 2016, 03:47 AM
Replies: 2
Views: 1,465
Posted By gsachs
nxtable does not refresh

In an application with one physical .nx1 table and two components that access this table I have a refresh problem.
Using component one a record is appended to the table. Soon after that in the same...
Forum: nexusdb.public.support 6th June 2015, 09:11 PM
Replies: 3
Views: 1,526
Posted By gsachs
solved

I found that that project threw a similar error even with Delphi7 and NexusDB 4.007.
In that project I had made some tests with Pax compiler as scripting engine. It seems that the project had been...
Forum: nexusdb.public.support 6th June 2015, 03:04 AM
Replies: 3
Views: 1,526
Posted By gsachs
Delphi8 compile error for nxllTypes.pas

In a Delphi8 project I got a compiletime error where the compiler complains about missing typeinformation in a line that contains just the 'const' specifier.
See attached screenshot.
NexusDB is...
Forum: nexusdb.public.support 25th February 2015, 01:08 AM
Replies: 2
Views: 1,968
Posted By gsachs
Table restored

The customer sent me the table and it proved indeed unreadable.
Luckily, enterprisemanager could recover all records.
Thanks for the help.
Forum: nexusdb.public.support 24th February 2015, 10:15 PM
Replies: 2
Views: 1,968
Posted By gsachs
Key violation at sequential access index

A customer runs a nxServer 4.005, while the application was compiled with nexus components 4.0004.
As can be seen in the attached bugreport, NexusDB throws a 'key violation' exception when trying to...
Forum: nexusdb.public.support 2nd January 2015, 06:59 PM
Replies: 2
Views: 1,605
Posted By gsachs
Yes, there are settings that seem to switch named...

Yes, there are settings that seem to switch named pipe behaviour.
Normally access to named pipes is restricted.
But switching to unrestricted does not change anything.
Setting anonymus access to all...
Forum: nexusdb.public.support 31st December 2014, 11:49 PM
Replies: 2
Views: 1,605
Posted By gsachs
Cannot connect to NamedPipe

On a 2machine scenario, where a NexusDB server v4.00.07 64Bit is running on each of them, I can connect via Winsock, but not via NamedPipe on the remote machine. Connection on each local machine is...
Forum: nexusdb.public.support 22nd September 2014, 08:09 PM
Replies: 5
Views: 1,908
Posted By gsachs
The customer now reported that the new Version of...

The customer now reported that the new Version of the Software where I used a real byte variable instead of a const crashed anyway. I advised him to make a test by changing the byte size of the field...
Forum: nexusdb.public.support 20th September 2014, 09:20 PM
Replies: 5
Views: 1,908
Posted By gsachs
Screenshots to illustrate problem

Here are some screenshots from the Enterprise Manager, Delphi XE6 source and madExcept bugreport.

Please not that the source code shows the revised Version where the setrange Statement is fed with a...
Forum: nexusdb.public.support 20th September 2014, 01:24 AM
Replies: 5
Views: 1,908
Posted By gsachs
Question to Setrange with byte field

On my table the composite index uses
1. integer field
2. integer filed
3. byte field
When I use a setrange in this way
table.setrange( [intvalue1, intvalue2, 1], [intvalue1, intvalue2, 1] )
I get an...
Forum: nexusdb.public.support 23rd August 2014, 01:09 AM
Replies: 9
Views: 3,132
Posted By gsachs
Here is the answer from the madExcept Team...

Here is the answer from the madExcept Team :

madExcept does try to edit the project file if it thinks it's necessary. But it usually always works. I've not had a complaint about this in *years*. So...
Forum: nexusdb.public.support 15th August 2014, 08:54 PM
Replies: 9
Views: 3,132
Posted By gsachs
No, I am not sure. I asked the madExcept guys,...

No, I am not sure.
I asked the madExcept guys, waiting for answer ...
Forum: nexusdb.public.support 15th August 2014, 02:26 AM
Replies: 9
Views: 3,132
Posted By gsachs
Strange sourcechange when compiling server

When trying to compile the NexusDB Server, delphi does something very strange to the nxserver.dpr file.

This happens with NexusDB3 under Delphi XE4 as well as NexusDB4 under Delphi XE6.

Here is how...
Forum: nexusdb.public.support.adoprovider 7th August 2014, 09:45 PM
Replies: 1
Views: 2,428
Posted By gsachs
DataAbstract and NexusDB4

I am thinking of using RemObjects DataAbstract with NexusDB4. Is there a Demoversion of the ADO.net Provider available to make some tests ?
Forum: nexusdb.public.support 5th August 2014, 05:37 PM
Replies: 4
Views: 1,587
Posted By gsachs
Yes, that solved the Problem, many thanks. I...

Yes, that solved the Problem, many thanks.
I added one line where I set the name of the frontend table explicitly and it works now.
Forum: nexusdb.public.support 5th August 2014, 04:37 AM
Replies: 4
Views: 1,587
Posted By gsachs
SQL Engine alone does not solve the problem

Adding an SQL Engine alone is not all, see screenshot.
And it is no explanation for the fact, that one CachedDataset works without SQL Engine, but not the other one.
All Cached Datasets have an...
Forum: nexusdb.public.support 5th August 2014, 02:47 AM
Replies: 4
Views: 1,587
Posted By gsachs
Linking two CahcedDatasets

My application uses 3 chached datasets, which are all connected to a TnxTable which gets its values from a remote server via TCP/IP.
On each of the chached datasets, the TnxTable fetches all values...
Forum: nexusdb.public.support 22nd April 2014, 09:32 PM
Replies: 1
Views: 1,687
Posted By gsachs
Packing of tables necessary ?

In an application we limit the amount of records by count or date. The customer may decide that all data older than 3 months are not interesting anymore and can be deleted. Our software does this in...
Forum: nexusdb.public.support.sql 18th April 2014, 07:51 PM
Replies: 10
Views: 2,864
Posted By gsachs
Problem solved

This solution was almost perfect.
However, it gave me a list of 154 out of 242 records, where only 11 should be displayed.
Adding a DISTINCT after the SELECT in the first line solved the...
Forum: nexusdb.public.support.sql 18th April 2014, 04:51 AM
Replies: 10
Views: 2,864
Posted By gsachs
Still error

Sorry, it still doesnt work, different errormessage this time, see attachment.

'SELECT...
Forum: nexusdb.public.support.sql 18th April 2014, 02:57 AM
Replies: 10
Views: 2,864
Posted By gsachs
SQL Error

Sorry, that doesnt work, I get an errormessage instead.

Here is the SQL, I did not Change tablenames this time.

'SELECT...
Forum: nexusdb.public.support.sql 18th April 2014, 01:58 AM
Replies: 10
Views: 2,864
Posted By gsachs
Correction

Sorry, I tried to make the SQL shorter, but was not consequent enough.
Here is the corrected SQL :

'SELECT WellentypNr,RU.LagerNr,KL.LagerName,InduktorNr,COUNT(*)'
'From RU'
'INNER JOIN KL'
'ON...
Forum: nexusdb.public.support.sql 18th April 2014, 01:55 AM
Replies: 10
Views: 2,864
Posted By gsachs
DISTINCT and INNER JOIN

After having soved the DISTINCT Problem, there is a new one :
I want to make a Lookup from a number to Name.
Number is -> RU.LagerNr, Name is in another table -> KL.LagerName.
Both tables have the...
Forum: nexusdb.public.support.sql 17th April 2014, 08:17 PM
Replies: 3
Views: 1,704
Posted By gsachs
problem solved

Thank you very much, it works exactly as needed.
Forum: nexusdb.public.support.sql 17th April 2014, 07:36 PM
Replies: 3
Views: 1,704
Posted By gsachs
DISTINCT Question

DISTINCT drops from 0 to n same Records in the Result dataset, so only one record per match is stored.
This works good, but I would like to show how many records per match actually exists.
For...
Forum: nexusdb.public.support 14th February 2013, 06:29 PM
Replies: 2
Views: 1,753
Posted By gsachs
Refresh methods

In my case the reload is pretty fast and, since write operations does not occur very often, is not a big problem, at least at small tablesize (<20MB). The problem is more the effort that is necessary...
Forum: nexusdb.public.support 14th February 2013, 12:16 AM
Replies: 2
Views: 1,753
Posted By gsachs
Refresh not working on CachedDataset

The Refresh function does not work on a cacheddataset.
No matter if the refresh is applied to the cached dataset or to its underlying sourcedataset.
I have a small example with 3 tables which all...
Forum: nexusdb.public.support 13th February 2013, 07:51 PM
Replies: 2
Views: 2,751
Posted By gsachs
Post Interim solution

There is an interim solution for the autoinc problem :

tbl := tblOrders.SourceDataSet;
tblOrders.Active := false;
tblOrders.SourceDataset := nil;
tblOrders.SourceDataset := tbl;
tblOrders.Active :=...
Forum: nexusdb.public.support 12th February 2013, 09:43 PM
Replies: 2
Views: 2,751
Posted By gsachs
Autoinc problem with cached dataset

A slavetable is connected to its master table via a autoinc field. The primary index uses this field.
Such a field should never have a NULL value, but sometimes it does.
When I append a record to the...
Forum: nexusdb.public.support 8th February 2013, 05:40 PM
Replies: 12
Views: 2,865
Posted By gsachs
Table sideeffects

The tables have no direct dependency, e.g. no master/slave relation.
Bute there was a hidden relation : One of the tables have persistent fields. In addition to the physical fields, it contains a...
Forum: nexusdb.public.support 8th February 2013, 02:04 AM
Replies: 12
Views: 2,865
Posted By gsachs
Problem solved

The problem is solved now, here is a description :
All in all I have 4 cached datasets, all share the same server, session and database, which are different than the other (remote) tables.
All...
Forum: nexusdb.public.support 8th February 2013, 12:54 AM
Replies: 12
Views: 2,865
Posted By gsachs
Missing files

I found and downloaded the DemoCachedDataset example.
After changing the grid views navigator it compiled.
At runtime I got the errormessage 'operating system error', 'an invalid argument was given...
Forum: nexusdb.public.support 7th February 2013, 07:09 PM
Replies: 12
Views: 2,865
Posted By gsachs
text to image sql string

The text cannot be entered here, pleas read attachment.

It always gives this error message, although it is pure text.

*************************************************
You have included 2 images...
Forum: nexusdb.public.support 7th February 2013, 07:02 PM
Replies: 12
Views: 2,865
Posted By gsachs
Image SQL strings, see next thread

sorry, got error message 'only one image allowed, but two attached'
There was only one image attached
Forum: nexusdb.public.support 7th February 2013, 06:09 AM
Replies: 12
Views: 2,865
Posted By gsachs
SQL statement not functional

Your example is very similar to what I tried.
Currently the only problem is the SQL string which is not recognized.
I tried to activate the cached dataset AFTER setting the SQL strings but it did not...
Forum: nexusdb.public.support 7th February 2013, 04:28 AM
Replies: 12
Views: 2,865
Posted By gsachs
Changing SQL strings does not work

I wrote 3 functions to create the ModifySQL, DeleteSQL and InsertSQL strings programmatically. When I load these strings at designtime using the stringlist editor, the function is ok, I can modify,...
Forum: nexusdb.public.support 6th February 2013, 10:02 PM
Replies: 12
Views: 2,865
Posted By gsachs
Cached Dataset Updating

Using a cached dataset, a user has several fields which he may modify.
The modified fields should simply be written back to the nx1 table.
In the example / documentation, fields are always named...
Forum: nexusdb.public.support 2nd October 2012, 09:44 PM
Replies: 2
Views: 1,721
Posted By gsachs
Shared Memory Transport refuses to start

Using NexusDB 3.11 on a Windows7 / 32Bit System with Delphi XE2, sometimes the NexusDB Server comes up with the SharedMemoryTransport inactive.
When I click on the Active Checkbox I get the message...
Forum: nexusdb.public.support 23rd July 2012, 09:22 PM
Replies: 1
Views: 2,086
Posted By gsachs
Adding persisting fields

A table with persisting fields may be connected to a different .nx1 file by changing the alias.
That file may not yet have all the fields and I want to add them programmatically.
The problem is, that...
Showing results 1 to 50 of 58

 
Forum Jump

All times are GMT +11. The time now is 05:56 AM.


Powered by vBulletin® Version 3.6.8
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.