ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
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...
Select query description window
The description window of a select query includes several sections...
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...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a 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 described in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating an insert query
An insert query (corresponding SQL statement...
Items used in a select query
A query created in the query editor can contain several types of items...
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.
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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...
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, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a select query
A select query (corresponding SQL statement...
iSkipLine (Function)
Forces one or more line break.
Size (Example)
Usage example of the Size property
HErrorInfo (Example)
Usage example of the HErrorInfo function
HSynchronizeReplica (Example)
Usage example of the HSynchronizeReplica function
1. Creating a WEBDEV project and its analysis
WEBDEV Tutorial - Creating a WEBDEV project and its analysis Lesson 1 - Creating a WEBDEV project and its analysis - 5 min
1. Creating a WINDEV project and its analysis
WINDEV Tutorial: Creating a WINDEV project and its analysis Lesson 1 - Creating a WINDEV project and its analysis - 5 min
1. WLanguage
WINDEV Tutorial: WLanguage basics Lesson 1 - WLanguage - 5 min
KeySize (Property)
The KeySize property is used to set the characteristics of a text memo key item.
iColumnNum (Function)
Returns the number of the current column in a multi-column report.
mlzDeleteAll (Function)
Deletes all dynamic rows from a Mutiline Zone control.
GUIDAnalysis (Property)
The GUIDAnalysis property returns the GUID of the analysis that was used to create the data file.
NbArrayElement (Property)
NbArrayElement is used to configure the number of elements in an array item.
<Image>.SaveJPEG (Function)
Saves an image: in a JPEG file. in memory....
LineSpacing (Property)
The LineSpacing property gets and sets the line spacing for variables of type Font.
VerticalAlignment (Property)
The VerticalAlignment property gets and changes the vertical alignment of a control.
Markdown
Markdown is a lightweight markup language that allows you to apply formatting to text......
<String type>.ExtractString (Function)
Allows you to: extract a substring from a string based on a specified string separator. search for substrings in a string based on a specified string separator....
fClose (Example)
Usage example of the fClose function
FTPListFile (Example)
Usage example of the FTPListFile function
BurnerErase (Example)
Usage example of the BurnerErase function
HNbRec (Example)
Usage example of the HNbRec function
iPrintZone (Example)
Usage example of the iPrintZone function
HInfoServerRights (Example)
Usage example of the HInfoServerRights function
HInfoFileRights (Example)
Usage example of the HInfoFileRights function
EmailSaveAttachment (Example)
Usage example of the EmailSaveAttachment function