ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

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...
Creating an insert query
An insert query (corresponding SQL statement...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Example for creating a select query
This help page explains how to create two select queries...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
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...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Select query: Displaying the first/last n records
The editor of Select queries is used to limit the number of records that will be displayed in the result of the query.
Joins between the tables of a select query
When several tables are used in a query, the query editor automatically searches for the links between these tables defined in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a query
Two methods can be used to create a query...
Creating a select query
A select query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to tables to improve query performance.
Test of a query
The query editor allows you to run the test of query result...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Modifying the values displayed in the result of a select query
In the result of a select query, you have the ability to only display...
Creating a delete query
A delete query (corresponding SQL statement...
Code history
The code history is used to...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Select query description window
The description window of a select query includes several sections...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Items used in a select query
A query created in the query editor can contain several types of items...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
OrganizerDisplay (Function)
Reinitializes the content of an Organizer control from its data source (HFSQL data file for example).
Sequence of events associated with reports
Several operations are performed when printing a report. These operations are performed in the following order......
zipMsgError (Example)
Usage example of the zipMsgError function
fCurrentDrive (Example)
Usage example of the fCurrentDrive function
FinInterestRate (Example)
Usage example of the FinInterestRate function
Multi-project processes: using batches
WINDEV, WEBDEV and WINDEV Mobile allow you to run a set of processes (compilation, generation, ......
Testing and debugging an application on an Android device
All developers appreciate the possibility to debug an application directly on the device......
Error (Function)
Displays a custom error message in a system error window.
WEBDEV: Scheduled tasks and delayed tasks
WEBDEV allows you to implement tasks on the server directly......
ListSeek (Function)
Searches for an element in a List Box, ListView or Combo Box control (including the values described by gStoredValue).
sfExecuteQueryResult (Type of variable)
The sfExecuteQueryResult type is used to find out the result of SFForwardQuery and SFExecuteQuery...
Linking a Combo Box control to a data file
A List Box or Combo Box control can be used to display the content of a data file, to allow a user to select a record, for example......
9. Types of standard controls
Types of standard controls...
Operations performed on sequence diagrams
The following paragraphs explain......
WinEdUndo (Function)
Undoes the last action performed by the end user when modifying the interface ("Allow end users to modify the UI" option enabled).
WinEdRedo (Function)
Runs the last action undone by the end user ("Allow end users to modify the UI" option enabled).
WDMap: Characteristics of the files found in a database
WDMap is used to get various characteristics specific to......
2. Web development and WEBDEV
WEBDEV Tutorial: WEBDEV overview Lesson 2: Web development and WEBDEV - 10 min