Dear all, I understand this subject has been mentioned many times across the forums and I've tried searching for a solution that could work but perhaps I am missing something in the codes that I've put up.
What I am trying to do is to run a particular case of macro when a certain value is entered into a cell.
E.g. When Cell A1 shows 1 , auto run MacroDate_1
When Cell A2 shows 2 , auto run MacroDate_2
and this pretty much goes on until 31. Below are the codes that I've found and modified so far. I've attached it to the 'Sheets' but nothing happens. Apologies as I am not able to send a spreadsheet on this.
Thanks in advance for taking a look at this. 
Private Sub Worksheet_Change(ByVal Target As Excel.Range)
If Target.Address = "$E$6" Then
Select Case Target.Value
Case 1: MacroDate_1
Case 2: MacroDate_2
Case 3: MacroDate_3
Case 4: MacroDate_4
Case 5: MacroDate_5
Case 6: MacroDate_6
Case 7: MacroDate_7
Case 8: MacroDate_8
Case 9: MacroDate_9
Case 10: MacroDate_10
Case 11: MacroDate_11
Case 12: MacroDate_12
Case 13: MacroDate_13
Case 14: MacroDate_14
Case 15: MacroDate_15
Case 16: MacroDate_16
Case 17: MacroDate_17
Case 18: MacroDate_18
Case 19: MacroDate_19
Case 20: MacroDate_20
Case 21: MacroDate_21
Case 22: MacroDate_22
Case 23: MacroDate_23
Case 24: MacroDate_24
Case 25: MacroDate_25
Case 26: MacroDate_26
Case 27: MacroDate_27
Case 28: MacroDate_28
Case 29: MacroDate_29
Case 30: MacroDate_30
Case 31: MacroDate_31
Case Else ' do nothing
End Select
End If
End Sub
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