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Help / WLanguage / Managing databases / HFSQL / Binding functions
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Stored procedures
Note: These functions are also available in prefix syntax (Link functions (prefix syntax)).
Link functions are used to link the interface with the data files and vice versa. These functions are as follows:
ControlToSourceAssigns the control value to the source of a control link.
FileToPageAutomatically updates the controls of a page with:
  • the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
  • the values of the bound WLanguage variables. This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
FileToScreenAutomatically updates the controls in a window or page with:
  • the values of the bound items in the current record (loaded in memory) of the data file described in the data model editor.
  • the values of the bound WLanguage variables.
This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
PageFromSourceAutomatically updates the controls of a page with:
  • the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor.
  • the values of the bound WLanguage variables.
This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
PageToFileAutomatically updates:
  • the value of the items in a data file with the value of the controls in the page. The data file items bound to the window controls are automatically updated with the values of these controls.
  • the value of the WLanguage variables with the value of the window controls. The WLanguage variables bound to the page controls are automatically updated with the values of these controls.
This operation is performed regardless of the state of the controls (grayed, inactive or invisible).
PageToSourceAutomatically updates:
  • the value of the items in a data file with the value of the controls in the page.
  • the value of the WLanguage variables with the value of the page controls.
ScreenToFileAutomatically updates:
  • the values of a data file's items in memory with the values from the controls in the window.
  • the value of the WLanguage variables with the value of the window controls.
This function is also available for WEBDEV pages.
ScreenToSourceAutomatically initializes:
  • the values of a data file's items in memory with the values from the controls in the window.
  • the value of the WLanguage variables with the value of the window controls.
This function is also available for WEBDEV pages.
SourceFromPageAutomatically updates:
  • the value of the items in a data file with the value of the controls in the page.
  • the value of the WLanguage variables with the value of the page controls.
SourceFromWindowAutomatically initializes:
  • the values of a data file's items in memory with the values from the controls in the window.
  • the value of the WLanguage variables with the value of the window controls.
This function is also available for WEBDEV pages.
SourceToPageAutomatically updates the controls of a page with:
  • the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor.
  • the values of the bound WLanguage variables.
SourceToScreenAutomatically updates the controls in a window or page with:
  • the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor.
  • the values of the bound WLanguage variables.
WindowFromSourceAutomatically initializes the controls of a window with:
  • the values of the bound items in the current record (loaded in memory) of the HFSL data file described in the data model editor.
  • the values of the bound WLanguage variables.
Minimum version required
  • Version 16
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Last update: 03/27/2025

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