' SerialNumberExists(SerialNumber : String)
' ----------------------------------------------------------------------------
' Prüft, ob die übergebene Seriennummer bereits gescannt wurde
' 
' Returns: SerialNumberExists : Boolean
' ----------------------------------------------------------------------------
' Copyright (c) 2021 by Digital Data GmbH
'
' Digital Data GmbH • Ludwig-Rinn-Strasse 16 • D-35452 Heuchelheim
' Tel.: 0641/202360 • E-Mail: info-flow(at)digitaldata.works
' ----------------------------------------------------------------------------
' Creation Date / Author:   25.09.2020 / JJ
' Version Date / Editor:    25.09.2020 / JJ
' Version Number: 			4.0.0.0

Function SerialNumberExists(SerialNumber)
	Set mywin = CWLStart.CurrentModule.Windows.Item(WINDOW_ID)
	Set Grid = mywin.Controls.Item(GRID_ID).Grid
	
	SerialNumberExists = False
	
	For GridIndex = 1 To Grid.LineCount
		CurrentSerialNumber = Grid.GetCellValue(GridIndex, COLUMN_SERIALNUMBER)
		
		If SerialNumber = CurrentSerialNumber Then
			SerialNumberExists = True
			Exit For
		End If
	Next
End Function