ONLINE HELP
 WINDEVWEBDEV 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...
Copying and cloning
Variables are copied using the "=" operator...
CtOLEDBProvider (Property)
The CtOLEDBProvider property is used to get and set the name of the OLE DB provider (also called OLE DB server).
Connection (Property)
The Connection property gets and sets the connection associated with a data file.
CtExtendedInfo (Property)
The CtExtendedInfo property is used to get the additional information inserted into database connection string.
Batch processes: Creating executables, WDLs, components, and more...
WINDEV and WEBDEV allow you to perform multiple types of processes from a command line......
xmlNode (Type of variable)
The xmlNode type is used to handle a node of an XML document.
JSON (Type of variable)
The JSON type makes it possible to simplify actions on data in JSON format.
DisplayCurrency (Property)
The DisplayCurrency property is used to get and change the currency used when entering or displaying values in a "Currency + Euro" control.
dbgSaveDebugDump (Function)
Saves a dump file of the application.
URL (Property)
The URL property is used to: Get the address associated with a control. Change the address associated with a control....
FTPGet (Function)
Transfers a file or directory from an FTP (File Transfer Protocol) server to the current computer.
Constants for test
List of constants used by the functions for managing automated tests....
CtDatabase (Property)
The CtDatabase property is used to set the OLE DB data source when connecting to a specific table via OLE DB.
IWListDelete (Function)
Deletes an internal window found in the list of internal windows browsed by an Internal Window control.
2. Creating files in the analysis
WEBDEV Tutorial - Creating a WEBDEV project and its analysis Lesson 2 - Creating files in the analysis - 40 min
OAuth2Parameters (Type of variable)
The OAuth2Parameters type is used to define the information required to authenticate on a web service implementing the OAuth 2.0 standard.
12. Available tests
CtDescribedAccess (Property)
The CtDescribedAccess property is used to set the type of access to the data file when connecting to a specific table via OLE DB.
Start of Document block
The Start of document block is printed once at the beginning of the report execution......
Use WebSockets with the WebSocket server
The WebSocket protocol provides a communication channel over a TCP socket for browsers and Web servers......
HErrorStatusModification (Function)
Returns the status of a record during a modification conflict.
Manipulating Combo Box controls programmatically
WINDEV, WINDEV Mobile and WEBDEV allow you to programmatically manipulate Combo Box controls......
Operations performed on class diagrams
The following paragraphs explain......
DashCount (Function)
Returns the number of widgets found in a Dashboard control.
Device panel
In WINDEV Mobile, you can create applications that adapt to all devices, by setting anchors on the controls......