Private Sub Worksheet_Change(ByVal Target As Range)
Dim sSortRang As String
Dim sVungBatSuKien As String
sVungBatSuKien = "C2:C100"
sSortRang = "A1:C" & Me.UsedRange.Rows.Count
If Not Application.Intersect(Target, Me.Range(sVungBatSuKien)) Is Nothing Then
Me.Range(sSortRang).Sort Key1:=Me.Columns(3), Order1:=xlDescending, Header:=xlYes
End If
End Sub