data entry into textbox

[ntr81]

hi,
how do i allow only numbers or null allowed to be entered into a textbox?

[stimbo]

Search the forum. You will find loads of responses to this question.

[Tinbeard]

This will only allow numbers to be entered.

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
        If Not Char.IsNumber(e.KeyChar) Then
            e.Handled = True
        End If
    End Sub

[Ken B]

You should also allow the backspace key to be pressed.

If Char.IsNumber(e.KeyChar) = False And Asc(e.KeyChar) <> 8 Then
      e.Handled = True
    End If