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 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...
H.NumRec (Variable)
Contains the number of the physical record loaded in memory (which means the number of the last record read).
4. Simple printing
WINDEV Tutorial: WINDEV application: Managing data Lesson 4 - Simple printing - 20 min
HReadFirst (Function)
Sets the position on the first record according to a browse item.
iEndPrinting (Function)
Signals the end of the document to print and actually starts printing the data stored in the printer spooler via the following functions: iPrint, iPrintImage, iNewLine, etc.
Managing HFSQL Client/Server databases
The HFSQL Control Center allows you to fully manage HFSQL Client/Server databases......
"Project explorer" pane
The "Project explorer" pane is used to simplify the development environment of WINDEV, WEBDEV and WINDEV Mobile......
OpenChild (Function)
Opens a non-modal child window.
The Link control
The Link control is used to: create a link in an HTML page. create a link in a report printed in HTML format....
Native SQL Server Connector: Programming with SQL functions
The SQL functions can be used to handle the SQL Server database......
HExecuteQuery (Example)
Usage example of the HExecuteQuery function
HExecuteSQLQuery (Example)
Usage example of the HExecuteSQLQuery function
SQLFirst (Example)
Usage example of the SQLFirst function
CacheSize (Property)
The CacheSize property is used to: Get the maximum number of records that can be stored in the cache of the Native MySQL Connector. Change the maximum number of records that can be stored in the cache of the Native MySQL Connector....
The Combo Box control
The "Combo Box" control is used to display a list of elements and to select an element from this list......
Use (Function)
Opens a WINDEV window and closes all the other windows that were opened beforehand.
Type of item: Secure password
"Password" items are used to securely store passwords by using a salt and a hash algorithm......
Compile (Function)
Dynamically compiles an Procedure whose source code is provided (dynamic compilation).
Client/Server HFSQL table management
The HFSQL Control Center allows you to fully manage HFSQL Client/Server tables......