ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

The OLE control
The OLE control is used to handle an OLE object...
SQLCol (Function)
Retrieves the content of the specified column from the query result, for the current line.
HSeekLast (Function)
Sets the position on the last file record whose value for a specific item is less than or equal to a sought value.
SQLConnect (Function)
Connects the current application to a database that must be interrogated via SQL.
HRetrieveItem (Function)
Returns the content of an item found in the current record (in the data file, view, query, ...).
HReadSeekFirst (Function)
Sets the position on the first record whose value for a specific item is strictly equal to a sought value (exact-match search).
Editing the CSS style sheet
WEBDEV gives you the ability to manage all the CSS styles used in a project......
22 tips for optimizing the speed of a site
When a site is on-lined, one of the main expectations of Web users is speed......
HTransaction (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
HForward (Function)
Moves several records forward from the current position in the data file, according to a specified item.
HOnError (Function)
Customizes the management of HFSQL errors.
HReadSeekLast (Function)
Sets the position on the last record whose value for a specific item is less than or equal to a sought value (exact-match search).
HListItem (Function)
Returns the list of items: found in a data file ( a query or a view) known to the HFSQL engine. The data files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account. found in a Record variable....
HLinkMemo (Function)
Used to associate a file with a binary memo item or to cancel the existing link between a file and a binary item.
HError (Function)
Returns the number of the last error triggered by the HFSQL engine.
SQLLock (Function)
Used to lock: The entire data table, in read and write mode. Its data cannot be accessed by other computers. The records selected by the query. This data cannot be accessed by the other computers. This method can be used to update records for example....
HListTrigger (Function)
Returns the list of triggers applied to one or more HFSQL data files.
HTransactionCancel (Function)
If a transaction is in progress, cancels all the operations performed on the data files in transaction since the start of transaction.
2. Listing products
WEBDEV Tutorial - Creating a website with back office processes Lesson 2 - Listing products - 50 min
3. Layouts
WINDEV Mobile Tutorial: Developing an Android and iOS application Lesson 3 - Window orientation (layouts) - 15 min
CacheSize (Property)
The CacheSize property is used to: Get the maximum number of records that can be stored in the cache of the Native MySQL Connector. Change the maximum number of records that can be stored in the cache of the Native MySQL Connector....
HWrite (Function)
Writes a record into a data file without updating the indexes corresponding to all keys used in the file.
HTransactionStart (Function)
Starts a transaction on the data files (HFSQL or accessed via a Native Connector) and creates the transaction file.
Assisted HFSQL error handling
WINDEV, WEBDEV and WINDEV Mobile include a module for assisted management of HFSQL errors......
Native SQL Server Connector: Specific features and remarks
The following paragraphs present the main aspects and specific features of the Native SQL Server Connector......
Database parameters (Setup program)
The setup program creation wizard includes the setup of the database along with the application and suggests additional elements......