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Validating UserForm TextBox to Only Accept Numbers
If you are fairly comfortable with Excel VBA you will most likely want to design a UserForm to ensure correct use of your Spreadsheet. However, just placing some TextBoxes on a UserForm for users to enter data is not enough. For example, the TextBoxes may be intended to take only numeric data and not Text strings. To do this you can use some code as shown below.
Private Sub TextBox1_Change() OnlyNumbers End Sub Private Sub TextBox2_Change() OnlyNumbers End Sub Private Sub TextBox3_Change() OnlyNumbers End Sub Private Sub OnlyNumbers() If TypeName(Me.ActiveControl) = "TextBox" Then With Me.ActiveControl If Not IsNumeric(.Value) And .Value <> vbNullString Then MsgBox "Sorry, only numbers allowed" .Value = vbNullString End If End With End If End Sub
As with any UserForm Control code, this code must reside in the Private Module of the UserForm Object
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