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 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2025

Sub-query
A sub-query is a query whose result is used by another query...
Conditions for using a .NET assembly
Before using a .NET assembly, a specific configuration is required......
HCancelSeek (Function)
Cancels the current search criterion.
HRecordToJSON (Function)
Retrieves the structure and value of the current record and exports them into a string in JASON format.
Composite keys
A composite key is a key item containing several other items......
HFree (Function)
Transforms the crossed records (HCross) into deleted records.
HBuildKeyValue (Function)
Builds the value of a composite key to implement a filter (HFilter) or to perform a search (HReadSeekFirst, HReadSeekLast, etc.).
HTransactionRollbackToSavepoint (Function)
Rolls the transaction back to the savepoint.
HCheckUnaltered (Function)
Checks whether one or all records in an unalterable data file have not been modified (with an hexadecimal editor for example).
<Connection variable>.ActivateServerTrigger (Function)
Re-enables a server trigger that was disabled by HDeactivateServerTrigger.
<Connection variable>.AddLink (Function)
Adds an integrity rule between two files on the server.
<Connection variable>.LoadParameter (Function)
Reads a parameter that was saved from a stored procedure by HSaveParameter.
<Connection variable>.StartServerUpdate (Function)
Used to immediately start the automatic server update.
<Connection variable>.DisconnectClient (Function)
Displays a message on the Client computer(s) and disconnects the application.
<Connection variable>.SendMessageToClient (Function)
Displays a message on the client computers.
<Connection variable>.InfoView (Function)
Returns information about a materialized view.
<Connection variable>.RetrieveLog (Function)
Creates a text file containing the server logs between two given dates.
<Connection variable>.DeleteParameter (Function)
Deletes a parameter previously saved by HSaveParameter.
HListQueryParameter (Function)
Returns the list of parameters for a query created in the query editor.
HAlias (Function)
Creates a logical alias of a data file (or query) or cancels all existing aliases.
HSetIntegrity (Function)
Enables or disables the management of an integrity constraint on a file link.
HSetDuplicates (Function)
Enables or disables the management of duplicates on a unique key.
HErrorIntegrity (Function)
Used to check whether an integrity error occurred.
HCloseConnection (Function)
Closes a connection to a database.
.NET Assemblies
.NET is Microsoft's software development platform......
HReadLast (Function)
Sets the position on the last record of a data file according to a browse item.