ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Create an insert query
An insert query (corresponding SQL statement...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files defined in the analysis...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
Query: Displaying the records corresponding to a given period
When a "Date" item is found in the query, you have the ability to only select the records corresponding to a given period...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Items used in a select query
A query created in the query editor can contain several types of items...
Sort order of records found in a select query
To make the result of a query easier to read, the records can be sorted according to one or more items...
Example for creating a select query
This help page explains how to create two select queries...
Result of a query in test mode
After its execution in test mode (see Running the query test), the result of the query can be...
Carrying over the differences from an element to another one
The project comparator is used to compare two elements and to list the differences found...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Test of a query
The query editor allows you to run the test of query result...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
TableMode (Function)
TableMode is kept for backward compatibility.
4. Conditional statements
WINDEV Tutorial - WLanguage basics Lesson 4 - Conditional statements - 20 min
I was using C with WINDEV 5.5. How to proceed in WINDEV 2024?
You have the ability to use external languages with WINDEV......
Password (Property)
The Password property sets and changes the password.
Automatic feature for copying forms
When typing several copies of a form one after another, some of the information to type may be the same for each instance of the form......
Message text file format
The text files created by WDMSG use a specific format......
Interactive notification management constants
Interactive notification management constants...
LooperAddIP (Function)
Adds a row as an internal page at the end of a Looper control populated programmatically.
TableInsertLineWithAnimation (Function)
Inserts a row into a Table control or into a TreeView Table control with an animation.
Duration (Type of variable)
The Duration type enables you to easily handle the intervals of dates and times...
Associating documents with the project
To describe a project in detail, you can associate documents with it......
TableInsert (Function)
Inserts a row into: a Table control, a TreeView Table control, a table displayed in a Combo Box control....
URL Rewriting
URL Rewriting is a technique used to improve SEO......
Type of windows created by RAD
The wizard for window creation proposes several types of windows associated with HFSQL data files......
Using objects
To access a class, the object must be declared as being part of the class to handle, this is called object instantiation......
LooperAddIW (Function)
Adds a row as an internal window at the end of a Looper control populated programmatically.
DateValid (Function)
Checks the validity of a date between January 01 0001 and December 31 9999.
ListDeleteAll (Function)
Clears a List Box, ListView or Combo Box control populated programmatically.
Handling Kanban controls programmatically
WINDEV, WEBDEV and WINDEV Mobile allow you to programmatically handle Kanban controls......
SCM: Check-in policy
The SCM gives you the ability to define a check-in policy......
Project Management Hub: Using Tags
Tags are used to associate keywords with incidents in the Project Management Hub......
TableAdd (Function)
Adds a row in: a Table control, a TreeView Table control, a Combo Box control "with table" (Table control displayed in a Combo Box control)....
WINDEV, WEBDEV, Android or iOS external component
An external component is a set of WINDEV, WEBDEV or WINDEV Mobile elements......
DateTimeValid (Function)
Checks the validity of a date/time between January 01, 0001 at 0 hours 0 minutes 0 seconds 0 hundredths of a second and December 31, 9999 at 23 hours 59 minutes 59 seconds 99 hundredths of a second....
Managing actions with Undo/Redo
WINDEV allows you to easily manage the Undo/Redo feature in your applications with the ActionXXX functions......