Excel 1004错误vlookup

Question

i have this line:

LArticol.Caption = Application.WorksheetFunction.VLookup(Serie.Value,[TEST], 2, 0)

And my error is Run-time error 1004 I've try with

LArticol.Caption = Application.WorksheetFunction.VLookup(Serie.Value,ThisWorkbook.Sheets("ELECTRICE").Range("TEST"), 2, 0)

but...same thing i really need help

CODE:

Private Sub Serie_Change() 
    LArticol.Caption = Application.WorksheetFunction.VLookup(Serie.Value,ThisWorkbook.Sheets("ELECTRICE").Range("TEST"), 2, 0) End Sub

    Private Sub UserForm_Initialize() 
Call Serii 
End Sub

Serii module

Sub Serii() 
Dim Ssheet As Worksheet 
Set Ssheet =
ThisWorkbook.Sheets("ELECTRICE") 
If Ssheet.Cells(Rows.Count, 1).End(xlUp).Row = 1 Then
    sslr = 3 Else
    sslr = Ssheet.Cells(Rows.Count, 1).End(xlUp).Row 
End If 
For X = 3 To sslr
    UserForm1.Serie.AddItem Ssheet.Cells(X, 1) 
Next X 
End Sub

Answer 1

Is ELECTRICE the active sheet? Application.WorksheetFunction.VLookup operates on the active sheet unless you tell it otherwise.

Also,

ThisWorkbook.Sheets("ELECTRICE").Range("TEST")

will return $A$3:$H$1048576 . If you want it to return ELECTRICE!$A$3:$H$1048576 then you should use

ThisWorkbook.Names("TEST").RefersTo

Keep in mind too that this requires the named range's scope to be defined as Workbook and not a specific sheet.