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...
5. The following files are automatically created
The guide
The guide is a powerful search engine included in WINDEV, WEBDEV and WINDEV Mobile, allowing you to search for the referenced documents regarding a topic......
hScheduleMaterializedView (Type of variable)
The hScheduleMaterializedView type is used to programmatically manage a task for recalculating the data of a scheduled materialized view on an HFSQL server.
DataBinding (Property)
The DataBinding property is used to identify and change the binding between a control and: an item in a data file. a variable. several variables....
AccentSensitive (Property)
The AccentSensitive property is used to determine if accented characters are taken into account in the different searches performed on the item (with HReadSeek, HReadSeekFirst and HReadSeekLast, for example).
OpenPopupPosition (Function)
Opens a popup window by specifying its opening position and waits until it is closed.
grDestinationEMF (Function)
Defines a meta file as chart destination (EMF means Enhanced Meta File).
Custom-Notes
The custom-notes allow you to write down any ideas you want to remember, notes you must not forget, ......
Handling an iFrame control through programming
WEBDEV allows you to handle an iFrame control by programming......
Testing a WEBDEV site on a mobile device
It is increasingly common for developers to test websites on mobile devices......
SocketWrite (Function)
Writes a message intended to another socket.
Type inference
The type inference is used to simplify the declaration of variables when the variable type can be automatically deduced by the compiler......
fExeDir (Function)
Returns the directory from which the execution is started.
BitmapInfo (Function)
Retrieves the characteristics of an image file or the characteristics of a PDF file : format, width and height, number of bits per pixel....
EventCreate (Function)
Creates an event.
fExtractPath (Function)
Returns the different elements of a path: disk, directories, name and extension of the file.
fCompress (Function)
Compresses a file.
Language (Property)
The Language property is used to set the language used to compare and sort Unicode items (Unicode Text item or Unicode Text Memo item).
fDateTime (Function)
Returns or modifies the different dates and times associated with a file or directory (date created, modified or accessed).
HState (Function)
Used to find out the state of a record.
DayOfMonthOrDayOfWeek (Property)
The DayOfMonthOrDayOfWeek property is used to set the execution of a scheduled task by specifying the day number of the week or the day number of the month.
HTransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
Importing a WEBDEV project into WINDEV
...WINDEV proposes a feature for importing WEBDEV sites or WEBDEV pages....
fWriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).
2. Variables
WINDEV Tutorial: WLanguage basics Lesson 2 - Variables - 20 min