=ZÄHLENWENN('Customer Master'!M:M;REWE!CQ18)
Private Sub Worksheet_Change(ByVal Target As Range)
Dim iH As Integer, SArt As String
If Target.Address = "$CQ$18" Or Target.Address = "$CT$6" Then
iH = Range("CS6")
SArt = Range("CT6")
'Reset
Columns("BI:CL").EntireColumn.Hidden = True
If SArt = "Einzelauftrag" Then iH = 1
Columns("BI").Resize(, iH).Hidden = False
End If
End Sub