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...
HDeleteFile (Function)
Deletes the HFSQL data files (.fic, .ndx, .ftx and .mmo files if they exist) from the server.
Execute (Function)
Starts the execution of a process through programming.
fCurrentDrive (Function)
Gets or sets the current drive.
Events associated with TreeView Table controls
List of events associated with the TreeView Table controls...
dbgEnableAudit (Function)
Enables the dynamic audit through programming.
CtUserName (Property)
The CtUserName property is used to set the username that will be used when connecting to a specific table via OLE DB.
Combo Box columns in Table controls
A Table control (populated programmatically, based on a data file or based on a variable) can include Combo Box columns......
HReadSeek (Example)
Usage example of the HReadSeek function
XMLDocument (Example)
Usage example of the XMLDocument function
Image control: the supported formats
The supported image formats are as follows:...
<Source>.DeclareExternal (Function)
Temporarily imports into the current analysis the description of a data file from an existing HFSQL data file.
SaveParameter (Function)
Saves a persistent value in the registry or in another file specified by InitParameter.
Context menu associated with Table controls and their columns (AAF)
WINDEV applications automatically include a context menu for Table controls, TreeView Table controls and their columns......
SortOption (Property)
The SortOption property gets and sets the sort options used in: text columns in Table controls, text columns in Treeview Table controls, List Box and ListView controls, Combo Box controls, attributes of Looper controls, images, clickable images and thumbnails with automatic sequence....
Installing an application server
There are several steps to install the WEBDEV Application Server on a Linux server......
zipDeleteFile (Example)
Usage example of the zipDeleteFile function
HConnect (Function)
Redefines one or more connection parameters via Native Connector (Access, SQL Server, MySQL or Oracle) or via an OLE DB access on a specific table or set of tables.
The Breadcrumb control
The "Breadcrumb" control corresponds to a series of links allowing the Web user to go back into the logical tree structure of a site......
Debugging in PHP
A site generated in PHP can be debugged in standard WEBDEV mode......
Management of XML
WINDEV, WINDEV Mobile and WEBDEV include several functions for handling XML code......
tapiBlindTransfer (Function)
Performs a "blind" transfer.
fTime (Example)
Usage example of the fTime function
MDIMother (Function)
Identifies the name of the MDI parent window.
Font (Property)
The Font property is used to Get the identifier of the font used in a control in a report, page or window. Change the font used in a control in a report, page or window....
Source (Property)
The Source property can be used on: a Chart control: in this case, the Source property is used to get the source of the series: Table column, list of values, ... a connection: in this case, the Source property is used to get or set the source of a connection (HFSQL Client/Server, OLE DB, etc.)....