ONLINE HELP
 WINDEV, WEBDEV AND WINDEV MOBILE

Version: 2026
Creating a delete query
A delete query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating a query
Two methods can be used to create a query...
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...
Handling the versions of a window, report, query or project
When creating and developing the different elements of a project (window, query, report, project, ...
Create an insert query
An insert query (corresponding SQL statement...
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...
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...
Code history
The code history is used to...
Environment of the query editor
Creating a select query
A select query (corresponding SQL statement...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Select query description window
The description window of a select query includes several sections...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Example for creating a select query
This help page explains how to create two select queries...
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...
Test of a query
The query editor allows you to run the test of query result...
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.
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...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
Handling a WinForm .Net control through programming
Positioning table
Positioning the elements in a page is simplified by the use of a positioning table (HTML table)......
zipExtractFile (Example)
Usage example of the zipExtractFile function
apExecute (Function)
Runs an action plan.
.NET object
To access a class......
The TreeView control
The TreeView control is a tree structure used to simplify the display of information that can be represented hierarchically......
apDisableAction (Function)
Disables the execution of an action found in an action plan.
PageLayout (Property)
The PageLayout property sets the layout characteristics of a document.
GDPR (Property)
The GDPR property is used to: find out if the GDPR applies to an item from a data file. define whether the GDPR should apply to an item (in the item description in the code only)....
MDIActive (Function)
Identifies or displays an MDI child window in the foreground.
AnimationGetParameter (Function)
Reads the value of one of the animation parameters defined for an Image or Static control.
fSize (Function)
Returns the size of a file (in bytes).
Different types of pages
WEBDEV enables you to create static sites and/or dynamic sites......
ProfilerEnd (Function)
Stops "collecting data" for the performance profiler.
Events associated with HTML controls
WEBDEV includes different events associated with the HTML control......
HChangeConnection (Example)
Usage example of the HChangeConnection function
Index (Property)
The Index property indicates the physical index (physical order) of an item in a record.
Do not show a message again
The environment of WINDEV, WEBDEV and WINDEV Mobile often displays warning windows......
InitialHeight (Property)
The InitialHeight property is used to: Find out the creation height of a control or window. Modify the base height used to anchor the controls "in height". Find out the creation height of a block or control in a report....
The "Bubble" charts
A bubble chart shows the correlation between three variables via bubbles of different sizes: categories and values on the X and Y axes and an additional parameter. The size of the bubble indicates the value of this third parameter.
Memo (Property)
The Memo property is used to determine if an item is of type memo.
LogDirectory (Property)
The LogDirectory property is used to manage the directory of the log file described in the analysis.
SQLConnect (Example)
Usage example of the SQLConnect function
fAttributeReadOnly (Function)
Gets and sets the read-only attribute of a file.
1. Simple layouts
WEBDEV Tutorial - WEBDEV layouts Lesson 1 - Simple layouts - 30 min
1
…
77
78
79
80
81
…
132
>