ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Environment of the query editor
When creating a class in the code editor, the Constructor and Destructor methods are automatically created by default...
Creating a query
Two methods can be used to create a query...
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file...
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...
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...
Select query description window
The description window of a select query includes several sections...
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...
Test of a query
The query editor allows you to run the test of query result...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a 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 described in the database schema...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Creating an insert query
An insert query (corresponding SQL statement...
Items used in a select query
A query created in the query editor can contain several types of items...
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.
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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, ...
Creating a delete query
A delete query (corresponding SQL statement...
Optimizing the query execution
The query editor allows you to optimize the execution speed of one or more queries...
Creating a select query
A select query (corresponding SQL statement...
Abs (Function)
Returns the absolute value: of a numeric value, of a numeric expression (integer or real). of a duration....
In-App purchases
The mobile systems (Android/iOS) allow their applications to propose content at extra cost, by using the payment system of App Store or Google Play......
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, ......
HSeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
Software Factory
The concept of software factory is used to automate the process for creating applications....
UI compilation errors
UI compilation errors indicate the possible problems detected in your interfaces whenever a window, a page or a report is saved or whenever the project is recompiled......
Android Widget windows
An Android application can contain one or more Widget windows......
SEO-ready page in session mode
In WEBDEV, there are two methods to develop a site......
2. Analysis in practice
Page-by-page deployment
You now have the ability to deploy site sections or individual pages......
StringDelete (Function)
Deletes: all the occurrences of a substring within a string. part of a string within another string. The part of the string to remove is identified by its position and length....
TableToXML (Function)
Creates an XML file from the data found in a Table or TreeView Table control.
Types of charts available
WINDEV, WEBDEV and WINDEV Mobile propose different types of charts......
FTPCurrentDir (Function)
Identifies or modifies the current directory on an FTP server (File Transfer Protocol).
HSetPosition (Function)
Sets the position on a record, based on the approximate position of one of its items.
Project dashboard
The project dashboard provides an overall view of project status via different widgets.......
HTransaction (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
ReturnedValue (Property)
The ReturnedValue property is used to: Get and change the value returned by a window, page or report. Get and change the value returned by an option in a Radio Button control....
HBackward (Function)
Moves backward several records from the current position in the data file, according to a specified item.
ContactAdd (Function)
Adds a contact: in a Lotus Notes or Outlook address book. into the list of contacts on the device (Android, iPhone or iPad, Universal Windows)....
ControlClone (Function)
Creates a new control from an existing control.
Automatic Application Features (AAF) of Spreadsheet controls
The Spreadsheet control includes multiple Automatic Application Features (AAF) in order to simplify the use of the control......
2. First tests
WINDEV Mobile Tutorial: My first Android/iOS application Lesson 2 - First tests - 1 hr...
REST Services: Prologue procedure (executed before each call)
It is now possible to specify in the description of a Webservice that a procedure must be called (and executed automatically) each time a Webservice is called......