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@TGDUY
Created May 15, 2018
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Sub AddDonGia()
Dim Dic As Object, Rng As Range, Data As Variant, MAHH As String, I As Long, J As Long
With ActiveCell
If .Column = 4 And .Count = 1 And .Offset(, -3).Value <> vbNullString Then
MAHH = CStr(.Offset(, -3).Value)
Data = Sheet1.Range("A2:D" & .Row - 1).Value
Set Dic = CreateObject("Scripting.dictionary")
For I = 1 To UBound(Data, 1)
If CStr(Data(I, 1)) = MAHH Then
If Data(I, 4) <> vbNullString Then
If Not Dic.exists(Data(I, 4)) Then Dic.Add Data(I, 4), ""
End If
End If
Next
If Dic.Count > 0 Then
With Sheet2
.Range("A1:A1048576").ClearContents
.Range("A1").Resize(Dic.Count, 1) = Application.Transpose(Dic.keys)
With ThisWorkbook.Names.Item("DS_DONGIA")
.RefersTo = .RefersToRange.Resize(Dic.Count, 1)
End With
End With
With .Validation
.Delete
.Add xlValidateList, , , ThisWorkbook.Names("DS_DONGIA")
End With
Else
Exit Sub
End If
Else
Exit Sub
End If
End With
End Sub
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