ONLINE HELP
 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...
HDescribeItem (Example)
Usage example of the HDescribeItem function
iMargin (Function)
Defines the "logical" print margins.
The Breadcrumb control
The "Breadcrumb" control corresponds to a series of links allowing the Web user to go back into the logical tree structure of a site......
InitialVisible (Property)
The InitialVisible property is used to determine if: a control was visible during the first display of the associated window or page. a window was visible during its first display....
Font (Property)
The Font property is used to Get the identifier of the font used in a control in a report, page or window. Change the font used in a control in a report, page or window....
TablePosition (Function)
Displays a Table or TreeView Table control from a specified row or returns the index of the first row displayed in a Table or TreeView Table control.
HForward (Example)
Usage example of the HForward function
zipFindFile (Example)
Usage example of the zipFindFile function
HSetPosition (Example)
Usage example of the HSetPosition function
MDIMother (Function)
Identifies the name of the MDI parent window.
InfoImage (Function)
Retrieves the characteristics of an image file or the characteristics of a PDF file: format. width and height. number of bits per pixel. transparent area....
XMLFind (Function)
Performs a search in an XML document.
HTTP server response procedure parameters
WLanguage procedure (also called "callback") called by the HTTPSend function or the HTTPSendAsynchronous function when the HTTP server responds.
Abbreviation (Property)
The Abbreviation property gets the abbreviation of a table.
VariableReset (Function)
Resets the variable to its initial value.
ExeRun (Function)
Executes a program (an executable file, for example) from the current application.
Handling report blocks
The different operations available on report blocks are as follows......
AnimationSetParameter (Function)
Changes one of the animation parameters used for: an animated image (in an Image control), an animated text (in a Static control)....
zipInfoFile (Example)
Usage example of the zipInfoFile function