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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

Select query description window
The description window of a select query includes several sections...
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...
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
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...
HErrorStatusModification (Function)
Returns the status of a record during a modification conflict.
2. Development
WINDEV Mobile tutorial: Developing an Android and iOS application Lesson 2 - Development - 30 min
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......
FTPGet (Function)
Transfers a file or directory from an FTP (File Transfer Protocol) server to the current computer.
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.
The Organization Chart control
The Organization Chart control is used to represent elements in a hierarchical way. For example: the contributors of a company according to their position. the different branches of a group with their inter-dependencies. the different steps of a manufacturing process, ......
Copying and cloning
Variables are copied using the "=" operator...
DashCount (Function)
Returns the number of widgets found in a Dashboard control.
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.
Manipulating Combo Box controls programmatically
WINDEV, WINDEV Mobile and WEBDEV allow you to programmatically manipulate Combo Box controls......
2. Creating files in the analysis
WEBDEV Tutorial - Creating a WEBDEV project and its analysis Lesson 2 - Creating files in the analysis - 40 min
Use WebSockets with the WebSocket server
The WebSocket protocol provides a communication channel over a TCP socket for browsers and Web servers......
Operations performed on class diagrams
The following paragraphs explain......
Creating a WINDEV project
A project is a logical set of elements and processes whose purpose is to accomplish a given objective......
Device panel
In WINDEV Mobile, you can create applications that adapt to all devices, by setting anchors on the controls......
ChangeCharset (Example)
Usage example of the ChangeCharset function