ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
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, ...
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...
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...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
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...
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...
Test of a query
The query editor allows you to run the test of query result...
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...
HTML document functions (prefix syntax)
List of functions that manipulate HTML documents (prefix syntax)....
Interface checker
The advanced interface checker is a tool used to harmonize the positioning of controls in the different application windows......
Automatic documentation of procedures and methods
To simplify the maintenance or the use of existing code by other developers, WINDEV proposes an automatic documentation for the procedures (or class methods)......
Transactions in HFSQL Client/Server mode
To keep maximum compatibility between HFSQL Classic applications (single-user or multi-user) and HFSQL Client/Server applications, the transaction mechanism in HFSQL Client/Server mode is similar to the one in HFSQL Classic mode......
HExecuteProcedure (Function)
Runs a stored procedure.
Operating mode of HFSQL application
A HFSQL application can operate in network mode or in Client/Server mode......
HTML document management functions
List of functions that manipulate HTML documents....
Examples for using the OLE DB provider for HFSQL
PicRotation (Function)
Rotates a WDPic image.
HFSQL server replication
The replication between HFSQL servers consists in automatically replicating the data from server to server, in an asynchronous way......
WDMSG
You can create multilingual projects in WINDEV, WEBDEV or WINDEV Mobile......
WINDEV Mobile concepts
HServerWorkingDir (Function)
Returns the path of a temporary directory on the HFSQL server.
<Connection variable>.DeleteSet (Function)
Deletes a set of stored procedures from an HFSQL server.
Global procedure/function
A global procedure can be used in all the processes or events of the project....
<WDPic variable>.MergeLayer (Function)
Merges the layers of a WDPic image.
Testing a window
Testing a single window allows you to run the current window in WINDEV or WINDEV Mobile......
Reports
A report provides a custom view of data......
HDeleteSet (Function)
Deletes a set of stored procedures from an HFSQL server.
Creating an application that manages the Euro
The method for creating an application supporting the switch to the Euro is as simple as the method for creating a WINDEV application....
PicMergeLayer (Function)
Merges the layers of a WDPic image.
Native Oracle Connector for WINDEV and WEBDEV
WINDEV and WEBDEV support an optional Native Oracle Connector (also called Native Oracle Access......
Differences and specific features of an HFSQL Client/Server application
The management mode of data files may have to be adapted when using an HFSQL Client/Server application......
<Connection variable>.UpdateSet (Function)
Creates or updates a set of procedures on an HFSQL server.
picLayer (Type of variable)
The picLayer type is used to define all the advanced characteristics of a layer of an image loaded in a WDPic variable.