Function CountRowsForArticle(ArticleNumber)
	Set mywin = CWLStart.CurrentModule.Windows.Item(WINDOW_ID)
	Set Grid = mywin.Controls.Item(GRID_ID).Grid
	Dim Count : Count = 0
	
	If DEBUG_ON = True Then
		AddDebugLine "Counting rows for Article: " & ArticleNumber
		ShowDebugBox "CountRowsForArticle"
	End If
	
	For Row = 1 To Grid.LineCount
		CurrentArticleNumber = Grid.GetCellValue(Row, COLUMN_ARTICLENUMBER)
		
		If ArticleNumber = CurrentArticleNumber Then
			Count = Count + 1
		End If
	Next
	
	CountRowsForArticle = Count
End Function