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  • Columns of memory tables
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Stored procedures
Overview
A memory table is directly linked to lists stored in memory. It automatically manages the advanced mechanisms for handling list boxes.
A memory table corresponds to several lists managed in parallel. Therefore:
  • all the columns contain the same number of elements.
  • the subscripts of the columns evolve in parallel.
  • adding or inserting a row into the table performs an insertion into all the columns.
  • deleting a row from the table performs a deletion from all the columns.
The content of the table must be initialized in by programming.
Versions 20 and later
Android The memory Table control is now available for the Android applications.
iPhone/iPad The memory Table control is now available for the iPhone/iPad applications.
New in version 20
Android The memory Table control is now available for the Android applications.
iPhone/iPad The memory Table control is now available for the iPhone/iPad applications.
Android The memory Table control is now available for the Android applications.
iPhone/iPad The memory Table control is now available for the iPhone/iPad applications.
Columns of memory tables
The columns of a memory table can be:
  • linked to a memory zone (for the memory tables),
  • calculated whenever a row is displayed (calculated columns). For example, columns used to perform calculations from the data found in the current row.
For the calculated columns:
  • the column content is recalculated whenever a row is displayed. It is not stored.
  • the calculation formula of a calculated column must be entered in the display process of a table row.
  • we do not recommend that you use editable columns. The processes associated with a calculated column (entry, exit and whenever modified) are useless.
Related Examples:
The memory Table control Unit examples (WEBDEV): The memory Table control
[ + ] This example explains how to use a memory table in a WEBDEV application and it allows you to:
- Clear a memory table
- Fill a row in the memory table
- Select a row
- Sort a memory table
- Delete a row from the memory table
The memory Table control Unit examples (WINDEV): The memory Table control
[ + ] Using a memory table in an application:
- Clear a memory table
- Fill a row in the memory table
- Select a row
- Sort a memory table
- Delete a row from the memory table
The memory Table control Unit examples (WINDEV Mobile): The memory Table control
[ + ] Using a memory table in an application:
- Clear a memory table
- Fill a row in the memory table
- Select a row
- Sort a memory table
- Delete a row from the memory table
WD HTML Export Training (WINDEV): WD HTML Export
[ + ] This example explains how to export data in HTML format with the WLanguage functions.
The following topics are presented in this example:
1/ the functions for managing the external files for generating the HTML file
2/ the operations performed on the HTML tags
3/ the generation of an HTML report
The generation of an HTML page is performed from the data found in a memory table.
By programming
The principle consists in generating a text file with a "HTM" extension. The WLanguage function named "fWrite" will be used.
This example easily writes the text strings by respecting the syntax of the HTML language.
Automatically
The principle consists in creating a report on table based on the memory table that was previously filled.
The printout is requested with an HTML output.
WD JAVA Calls Training (WINDEV): WD JAVA Calls
[ + ] WD JAVA Calls is an example containing two configurations of project:
- A "Windows Application" configuration that is used to create the executable of the application
- A "Java Application" configuration that is used to create the Java archive (.JAR) of the application
This example is supplied with a JAR archive named "JavaFunction" external to the application.
It presents the call to the methods of classes of this JAR archive via the WLanguage function named JavaExecuteFunction.
This example also explains how a memory table can be filled (identical in Java mode and in Windows mode)
Minimum required version
  • Version 9
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