ONLINE HELP
 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...
Aliases on tables: HAlias function
The aliases are used to handle......
Binding an Edit control to an item
An Edit control can be bound to an item in a table, query, etc...
The report editor
WINDEV, WEBDEV and WINDEV Mobile allow you to create reports with the report editor......
The Chart control: Characteristics in the editor
Regardless of the type of chart displayed in the Chart control, all its characteristics can be configured via its description window......
<Queue variable>.Info (Function)
Retrieves the characteristics of a queue: types of elements and number of elements.
10. Embedded queries
TreeView data-bound Table control based on a table
A TreeView Table control can be linked to a table or a query......
QueueInfo (Function)
Retrieves the characteristics of a queue: types of elements and number of elements.
Handling data files in PHP
WEBDEV allows you to create a PHP site that handles data files......
ODBCSQLCode (Property)
ODBCSQLCode is used to: Find out the SQL code of the "query performed on a connection" (data source of report). Modify the SQL code of the "query performed on a connection" (data source of report)....
Report viewer: "Annotate" pane
Does your application allow you to print several reports? The end user has the ability to write annotations from the report viewer......
iSkipPage (Function)
Generates a page break: the corresponding code is sent to the printer queue.
10. Embedded queries
<Source>.Add (Function)
Add: the record found in memory into the data file (query or view). the record found in a Record variable into the data file (query or view)....
HAdd (Function)
Adds: the record found in memory into the data file (query or view). the record found in a Record variable into the data file (query or view)....
Mathematical SQL functions
The mathematical SQL functions that can be used on the queries written in SQL code are as follows......
SQLReqExists (Function)
Checks the existence of a query.