Stack Overflow
Stack Overflow

Questions tagged [dataflex]

DataFlex is a database RAD tool for developing Windows and web applications. DataFlex is an OOP development language in a style comparable with Visual Basic, Delphi and C#.

DataFlex Logo

DataFlex is a relational database management system, self-described as an applications development database, originated around 1980. It is made by Data Access Worldwide (www.dataaccess.com).

Today it is a modern OOP language with a full IDE for Windows and web development.

19 questions
4
votes
1 answer

Strategies for sharing common business logic across different programming languages

Having a monolithic business application with complex business logic implemented in Visual Dataflex, we are facing the challenge of maintaining our business logic across programming languages as certain features are written in other programming…
Ola Eldøy
  • 5,720
  • 7
  • 49
  • 82
3
votes
1 answer

Test framework for [insert language here]

I am looking for a test framework to introduce automated tests for a language without much test support. As far as I can understand, I need a framework that's capable of running the VDF tests using some form of protocol. I would much rather spend my…
Ola Eldøy
  • 5,720
  • 7
  • 49
  • 82
2
votes
2 answers

Receiving automatic notification from SQL Server when a table is non-empty

I would like to use an SQL Server table as an action queue. So whenever the table is non-empty, I'd like some sort of notification to my VDF application, in order to avoid constantly polling the database. VDF relies on using stdcall, the standard…
Ola Eldøy
  • 5,720
  • 7
  • 49
  • 82
2
votes
2 answers

Read data from Visual Dataflex 6 in C#

I am looking for a way how to read DataFlex 6.2 data files from a .NET C# program. I need a sequential read only access to the table data with no special functions, basically just decode few .dat files containing data and make a DataTable from it. I…
Vojtěch Dohnal
  • 7,867
  • 3
  • 43
  • 105
2
votes
2 answers

Is there a regular expression dll or library that I can use for a language that does not have one?

I program in Visual DataFlex. Are there any libraries that I can use to give my programs regular expression matching? It could be ActiveX, or COM, or maybe even just a DLL.
Jake
  • 2,925
  • 5
  • 22
  • 21
2
votes
1 answer

Visual DataFlex Reg Exp

I'm trying to implement into my simple app a very basic regular expression.. Can someone provide me an example ? I use to develop in obj-c, php and javascript so usually exp are similar to myExp = /pattern/ How to do this in DataFlex ? Thank for…
Alberto
  • 4,212
  • 5
  • 22
  • 36
1
vote
2 answers

How to open DataFlex 2.3b .dat files

I hope I can find help here. Does anyone know how I can open DataFlex 2.3b databse .dat files? The folder contains also other files as name.tag, name.k1...k9, name.def AND name.dat just as described in this link:…
yadbo
  • 407
  • 1
  • 5
  • 16
1
vote
1 answer

How to deal with spaces in a windows registry path from ASP using RegWrite

I have a problem in that from ASP I need to write to a Windows Registry key the path to which contains spaces. The WScript.Shell RegRead is happy enough with my key, but RegWrite doesn't like it. I have tested using other (dummy) paths and it…
Mike Peat
  • 445
  • 1
  • 6
  • 14
1
vote
2 answers

Visual DataFlex: call WebService from the web page

I have the web service and generated class for it. I can use this generated class in windows application as it described in Help. The question is: how can I use this generated class in the web project? (the analogous actions - creating object and…
globus
  • 71
  • 1
  • 8
1
vote
7 answers

Tips/Tricks for DataFlex

Is anyone out there still using DataFlex? If so, what are you favorite tips and tricks for this venerable 4GL?
Steven A. Lowe
  • 60,273
  • 18
  • 132
  • 202
1
vote
0 answers

Consuming a VDF Web Service from Android

i am trying to consume a Web Service which is done in Visual Dataflex (VDF) from an Android App. I read lots of tutorials which have examples with Java or .Net Web Service and there are a little different from the web service i have in VDF. This…
Fernando Benavides
  • 11
  • 2
0
votes
2 answers

Test framework for web services

We have a monolithic application written in Visual Dataflex, and various complementing applications written in other (.NET) languages. They all share the same database, and need to follow the same business logic. One way to facilitate unified…
Ola Eldøy
  • 5,720
  • 7
  • 49
  • 82
0
votes
2 answers

Implicit local connection (passwordless) using CLI SQLDriverConnect fails with SQL30082N reason 3 PASSWORD MISSING

I am coding using Db2 CLI/ODBC API interface. Windows 10 I can make SQLDriverConnect function to work properly, and can connect to any local or remote db, if I provide username and password (UID / PWD) key in the connection string. This part is…
Samuel Pizarro
  • 267
  • 1
  • 8
0
votes
1 answer

How to set up a pipeline for DataFlex open source project in Azure Pipelines?

I would like to set up a build pipeline for the DFUnit (unit testing framework for DataFlex) open source project, using Microsoft's offer of free build pipelines for open source projects. However, installing the DataFlex build environment may prove…
Ola Eldøy
  • 5,720
  • 7
  • 49
  • 82
0
votes
1 answer

VISUAL DATAFLEX How can I get the exit code of Runprogram

Im launching a DOS program using Runprogram wait "command plus args" wich exits with 1 whenever an error happends and 0 when everything works as expected... Problem is, I'm unable to catch that exit code. I have tryed using ShellExecuteA but…
Solrac
  • 924
  • 8
  • 23
1
2