I'm trying to use the TextBoxWatermarkExtender with MaskedEditExtender/Validator and have found a bug (I think).
In the textbox I enter an invalid date such as 55-55-5555 and exits the textbox. I would then expect the watermark to be shown, but it doesn't. Instead the prompchar is shown (like __-__-____).
If I simply give focus to the textbox and then another control, the watermark is shown.
Is there a workaround such as manually force the TextBoxWatermarkExtender to update.
<asp:TextBox ID="TextBox5" runat="server" MaxLength="1" onBlur=""/>
<asp:ImageButton ID="ImgBntCalc" runat="server" ImageUrl="~/images/Calendar_scheduleHS.png" CausesValidation="False" />
<ajaxToolkit:TextBoxWatermarkExtender ID="TBWE2" run
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