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...
The Dashboard control
Dashboards are essential elements in an application......
RETURN statement
The RETURN statement is used to exit the current event, process or procedure and return a result...
Declaring and using a variable
A variable is defined by name and type......
The Gantt Chart control
A Gantt chart allows you to graphically view the progress status of a project......
The Progress Bar control
The Progress Bar control is used to follow the progress of an event......
Creating and distributing Active WEBDEV Pages
To transform a page in Session mode into an Active WEBDEV Page:...
4. Adding a product
WEBDEV Tutorial - Creating a website with back office processes Lesson 4 - Adding a product - 50 min
Operations performed on state-transition diagrams
The following paragraphs explain......
DeleteParameter (Function)
Deletes a parameter (or a set of parameters) saved either by SaveParameter, or automatically via the persistence of data in the controls.
The "dynamic" Tab control
The "Dynamic tab" Tab control is used to display several windows in the same window......
2. Creating files in the analysis
WINDEV Tutorial: Creating a WINDEV project and its analysis Lesson 2 - Creating files in the analysis - 40 min
TableDisplay (Function)
Refreshes a Table or TeeeView Table control from a given position: for a control linked to a file: changes made in the linked data file are reflected in the control. for a control handled programmatically: the calculated columns are re-calculated....
HChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
PostMessage (Function)
Sends a Windows message to a control or to a window.
Manipulating Wire controls programmatically
WINDEV allows you to programmatically manipulate Wire controls......
ScreenToSource (Function)
Automatically initializes: the values of a data file's items in memory with the values from the controls in the window. the value of the WLanguage variables with the value of the window controls. This function is also available for WEBDEV pages....
PageToSource (Function)
Automatically updates: the value of the items in a data file with the value of the controls in the page. the value of the WLanguage variables with the value of the page controls....