ONLINE HELP
 WINDEVWEBDEV AND WINDEV MOBILE

Version: 2026

WHILE statement
In a WHILE statement, the expression is evaluated at each beginning of the block of statements...
LOOP statement
The statement block is repeated endlessly...
OpenPopupAsynchronous (Function)
Opens a popup window whose result will be retrieved via a WLanguage procedure ("callback").
<Source>.SeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
HTrack (Function)
Starts tracking write actions (addition, modification or deletion) performed on a file found in an HFSQL server.
<Source>.Track (Function)
Starts tracking write actions (addition, modification or deletion) performed on a file found in an HFSQL server.
HSeekFirst (Function)
Positions on the first file record whose value for a specific item is greater than or equal to a sought value.
DeclareWebserviceContext (Function)
Used to declare a list of variables whose value will be persistent between the successive calls to a web service.
hbWriting (Type of variable)
The hbWriting type is used to define the characteristics of a write operation that will be performed in a row (record) of an HBase table.
DeclareAWPContext (Function)
Used to declare a list of variables whose value will be persistent between the successive displays of Active WEBDEV Pages.
<Source>.SeekLast (Function)
Sets the position on the last file record whose value for a specific item is less than or equal to a sought value.
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.
HRecordDate (Function)
Returns the date and time of the last write operation performed on a record in an HFSQL file (Classic or Client/Server)....
How to write into a text or CSV file?
This help page explains how to write into a text or CSV file....
<Upload>.DeleteAll (Function)
Clears the list of files to upload: no file will be uploaded on the server.
UploadDeleteAll (Function)
Clears the list of files to upload: no file will be uploaded on the server.
Unalterable data files
This feature is used to signal that a data file cannot be modified after writing......
HChangeDir (Function)
Changes the path to a table (i.e. directory in which the file will be handled).
<Source>.ChangeDir (Function)
Changes the path to a table (i.e. directory in which the file will be handled).
<Source>.Seek (Function)
Positions on the first record of the data file whose value for a specific item is greater than or equal to a sought value (generic search by default).
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