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  • Link between control and item
  • Link between control and variable
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Stored procedures
8. Associating controls with data
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A page can display information coming from:
  • a database: the controls are directly linked to the items found in the files or queries available in the database.
  • variables found in the application code (variables global to the page or to the project or parameters passed to the page).
To display this information in a page, the controls of this page must be linked to:
  • the different database items.
  • the available WLanguage variables.
The method for displaying and retrieving the information is straightforward:
  • The link between a control and an item or variable is defined in the page editor during the control description ("Link" tab).
  • PageToFile is used to update the record or the variable with the data found in the page.
  • FileToPage is used to update the data displayed in the page with either the information saved in the data file or the information saved in the variable.
Link between control and item
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Link between control and variable
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