Mask Textbox view for a phone number

Question

i am trying to format a text box so that when the users can type in a phone number and it would automatically put it in the following format :(999)999-9999

i tried u

Answer 1

Try this

The propoerty "ClearMaskOnLostFocus" must be false.

<asp:MaskedEditExtender ID="mskSuperPhone" runat="server"
                   TargetControlID="txtSuperPhone"
                   ClearMaskOnLostFocus ="false"
                   MaskType="None"
                   Mask="(999)999-9999" 
                   MessageValidatorTip="true"
                   InputDirection="LeftToRight"
                   ErrorTooltipEnabled="True">
  </asp:MaskedEditExtender>

Answer 2

To answer your question, you have to set the "ClearMaskOnLostFocus" to false on the extender for the mask to show all the time.

That being said....

I strongly suggest that you use the jquery alternative.

http://digitalbush.com/projects/masked-input-plugin/

The reason I say this is because the maskededitextender does not work in safari.