ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

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...
Creating an insert query
An insert query (corresponding SQL statement...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Example for creating a select query
This help page explains how to create two select queries...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a 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...
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, ...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
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.
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 defined in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a query
Two methods can be used to create a query...
Creating a select query
A select query (corresponding SQL statement...
HSuggestKey (Function)
Returns a list of keys to add to tables to improve query performance.
Test of a query
The query editor allows you to run the test of query result...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Creating a delete query
A delete query (corresponding SQL statement...
Code history
The code history is used to...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
Select query description window
The description window of a select query includes several sections...
Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Items used in a select query
A query created in the query editor can contain several types of items...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
FTPGet (Function)
Transfers a file or directory from an FTP (File Transfer Protocol) server to the current computer.
SaveParameter (Function)
Saves a persistent value in the registry or in another file specified by InitParameter.
JSON (Variable type)
The JSON simplifies actions on data in JSON format.
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....
RGB (Function)
Defines a color from its Red, Green and Blue components.
tapiBlindTransfer (Function)
Performs a "blind" transfer.
fTime (Example)
Usage example of the fTime function
HDataSourceKnown (Function)
Determines if a data source has been initialized.
HReadSeek (Function)
Sets the position on the first record whose value for a specific item is greater than or equal to a sought value (generic search).
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......
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.
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......
Installing an application server
There are several steps to install the WEBDEV Application Server on a Linux server......
HForward (Example)
Usage example of the HForward function
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.)....
MDIMother (Function)
Identifies the name of the MDI parent window.
MDIWindowMenu (Function)
Modifies the layout of the MDI child windows.