ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Creating an insert query
An insert query (corresponding SQL statement...
Creating a combining query
A combining query (corresponding SQL statement: UNION) ...
Joins between the data files of a select query
When several data files are used in a query, the query editor automatically searches for the links between these files described in the analysis...
Selection conditions of a query
The selection conditions of records are applied to the items used in the queries...
HSuggestKey (Function)
Returns a list of keys to add to data files to improve query performance.
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...
HSuggestKeyStart (Function)
Starts collecting information on executed queries.
HSuggestKeyEnd (Function)
Finishes collecting information on executed queries.
Items used in a select query
A query created in the query editor can contain several types of items...
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...
Example for creating a select query
This help page explains how to create two select queries...
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...
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...
Query creation mode: independent or embedded query
The query editor proposes two methods for creating a query...
Describing a query
Once a query is created, all the characteristics of this query can be modified at any time...
Project comparator
Comparing two windows (two pages, two reports, two classes, ...
Test of a query
The query editor allows you to run the test of query result...
Operations in a Select query
The query editor allows you to perform operations on the values of an item...
fDir (Example)
Usage example of the fDir function
<WDPic variable>.DrawPolygon (Function)
Draws a polygon in a WDPic variable.
SQLModify (Example)
Usage example of the SQLModify function
<picLayer variable>.DrawPolygon (Function)
Draws a polygon in a picLayer variable.
MenuIsMarked (Example)
Usage example of the MenuIsMarked function
HDescribeFullTextIndex (Example)
Usage example of the HDescribeFullTextIndex function
JavaExecute (Example)
Usage example of the JavaExecute function
Native MariaDB Connector: Specific features
The Native MariaDB Connector creates "InnoDB" tables to support locks and transactions on a MariaDB database......
Native MySQL Connector: Specific features
The Native MySQL Connector (also called "Native MySQL Access") creates "InnoDB" tables to support locks and transactions on a MySQL database......
<Image variable>.DrawPolyline (Function)
Draws a line composed of multiple segments in an Image variable.
<Image>.DrawPolyline (Function)
Draws a line composed of multiple segments in an Image control.
<emailNotesSession variable>.SendMessage (Function)
Sends an email using the Lotus Notes protocol.
<Source>.ChangeDir (Function)
Changes the path to a data file (i.e. directory in which the file will be handled).
fGraphicFilter (Example)
Usage example of the fGraphicFilter function
FTPSize (Example)
Usage example of the FTPSize function
<WDPic variable>.DrawPolyline (Function)
Draws a line composed of multiple segments.
<picLayer variable>.DrawPolyline (Function)
Draws a line composed of multiple segments.
Analyzing dependencies and orphan images
To help you manage the navigation of the Web users in your sites, an advanced feature for analyzing the dependencies and the orphan images is available in WEBDEV......
<Image variable>.SaveGIF (Function)
Saves an image found in an Image variable: in a file in GIF format. in memory....
<emailOutlookSession variable>.SendMessage (Function)
Sends an email using the Outlook protocol.
INIRead (Example)
Usage example of the INIRead function
FTPCurrentDir (Example)
Usage example of the FTPCurrentDir function
fCompare (Example)
Usage example of the fCompare function
OutlookStartSession (Example)
Usage example of the OutlookStartSession function
<DiskFile variable>.WriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).