ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

SQL set operations: UNION, UNION ALL and INTERSECT
SQL allows performing set operations on groups of files......
Native SQL Server Connector for WINDEV and WEBDEV
WINDEV and WEBDEV support an optional Native SQL Server Connector (also called Native SQL Server Access)......
1. Project and Analysis
The development of a Windows application with WINDEV is based on two main elements: the Project and the Analysis....
Internal procedure
Several features require a procedure called once or several times via a WLanguage function ("Callback")....
WDSQL: Converting the structure of an HFSQL database
WDSQL is used to convert the structure of an HFSQL database into SQL script......
Error 1008: The member of the class is protected
Error 1015: The method of the class is protected
SQLDisconnect (Function)
Closes the current connection and frees the memory used by the connection.
1. Project and analysis
HExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
SQLExec (Function)
Names and runs an SQL query.
Error 1016: The method of the class is private
<Source>.ExecuteSQLQueryAsynchronous (Function)
Executes an SQL query asynchronously.
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)....
How to create an SQL query to get a sum?
This help page explains how to create a Sum query with the query editor....
Multiple assignments of arrays, structures and classes
The multiple assignment of arrays consists in assigning a set of simple values (boolean, integer, string, real, numeric or currency) to the cells of an array. This multiple assignment is also available for the structures and the classes....
Clone (Function)
Constructs a copy of a class instance: An object of the actual class of the class instance is allocated. The members of the class instance are copied to the members of the new object....
Error 1023: The access to the method of the class is restricted by a private inheritance
Error 40: The END statement marking the end of the class declaration is missing
How to create an SQL query to count?
This help page explains how to create a count query with the query editor....
Native SQL Server Connector: Programming with SQL functions
The SQL functions can be used to handle the SQL Server database......
Creating an update query
An Update query (SQL UPDATE statement) is used to modify the records in a database file......
Operations performed on class diagrams
The following paragraphs explain......
Importing a WINDEV/WINDEV Mobile project and its elements
A WINDEV project and all its elements compatible with WINDEV Mobile (analysis, windows, classes, sets of procedures, queries, ......
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