TableEnumColumn (Function)

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Use conditions
The different types of column indexes

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TableEnumColumn (Function)

In french: TableEnumèreColonne

Returns the name of a column found in a Table or Treeview Table control.

Example

// Nom de la troisième colonne du champ Table "TABLE_TableProduit"
ResNomColonne = TableEnumColumn(TABLE_TableProduit, 3)

// Manipulation de la colonne via une variable de type Champ
pCol is Control
pCol <- TableEnumColumn(TABLE_TableProduit, 3)

// Enumération de toutes les colonnes du champ Table "TABLE_TableProduit"
UneColonne is Control
FOR nColonne = 1 _TO_ TableCount(TABLE_TableProduit, toColumn)
	UneColonne <- TableEnumColumn(TABLE_TableProduit, nColonne)
	Trace(UneColonne.NomComplet + "//" + UneColonne.Titre)
END

Syntax

<Result> = TableEnumColumn(<Table control> , <Column index>)

<Result>: Character string

Column name.
This result can be assigned to a Control variable.
Empty string ("") if <Column index> is equal to the number of columns in the Table control + 1.

<Table control>: Control name

Name of the Table control to be used.
If this parameter corresponds to an empty string (""), the Table control to which the current process belongs will be used.

<Column index>: Integer

Index of the column, between 1 and the number of columns in the Table control + 1.
A WLanguage error occurs if this parameter is greater than the number of columns found in the Table control + 1.
To find out the number of columns in a Table control, use TableCount.

Remarks

Use conditions

TableEnumColumn can be used on:

a Table control based on a data file or populated programmatically.
a TreeView Table control based on a data file or populated programmatically.
single-selection or multi-selection controls,

Reminder Multi-selection is not available for "classic" Table control fields.

The different types of column indexes

There are 2 types of indexes for columns:

Visible position index: column index when the window is run.
Creation index: column index when the field is created in the window editor.

These two types of indexes are returned by TableColumnIndex.

These indexes change if the user moves the columns.

TableEnumColumn uses the column creation index.

Component: wd300obj.dll