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...
Table,Add (External language)
Adds an element to a Table control.
Radial Bar chart
The "Image gallery" Looper control is used to manage the display of a set of images without programming......
MatInvert (Example)
Usage example of the MatInvert function
dText (Example)
Usage example of the dText function
TimePicker (Function)
Opens the system time picker.
HFSQL and Docker
Docker is a software platform that allows you to run applications in software containers on Linux (Docker runs like a daemon)......
CallInterface (Function)
Runs a method of an interface of an object implemented in a DLL external to the WINDEV framework.
External language: Programming in Pascal
We are going to call the elements developed in WINDEV (project, windows, ......
HCreateView (Function)
Creates an HFSQL view. This function uses the former view mechanism....
zipExtractFile (Function)
Extracts a file from an archive and automatically decompresses it to a physical location or in memory.
Generating the RAD pattern
To generate a RAD pattern:...
Calendar functions
List of Calendar functions...
DatePicker (Function)
Opens the system date picker.
Display modes, transparency and symmetry of an image
An image can be displayed in a window, a window control, a report control, a page control or a block according to several display modes....
Events associated with the columns (Table control)
List of events associated with the columns of Table controls...
List,Select,? (External language)
Returns the element selected in the list.
RightIndent (Property)
The RightIndent property is used to get and change the right indent of an element.
LeftIndent (Property)
The LeftIndent property is used to get and change the left indent of an element.
FinError (Example)
Usage example of the FinError function
FinRedemption (Example)
Usage example of the FinRedemption function
Page menu
WEBDEV allows you to create a drop-down menu in your HTML pages......
URLDecode (Function)
Decodes an encoded URL (which means with characters in %xx format).
Abandon (Function)
Closes the current window by running the "Click" event of the CANCEL Button control.
NewLine (Property)
The NewLine property is used to determine: in a Table control, whether the current row was created with TableAddXXX or TableInsertXXX. in a Looper control, whether the current row was created with LooperAddXXX or LooperInsertXXX. in an Organizer control, whether an appointment was created via the popup menu. in a Scheduler control, whether an appointment was created via the popup menu....
Looper controls populated programmatically: Operations in WLanguage
Here is an overview of how to handle Looper controls populated programmatically in WLanguage....