ASP.NET Calendar - Date picker clear - Client side

Click on the calendar image near the textbox.
Choose a date then clear it using the second image near the textbox.

    Select date

Check also the server side clear example.

ASP.NET
<ASP:TextBox runat="server" ID="txtDate"></ASP:TextBox>

<obout:Calendar runat="server" ID="Calendar1"
                         DatePickerMode="true"
                         TextBoxId="txtDate">
</obout:Calendar>

<a href="javascript:<%=Calendar1.ClientID%>.Clear()">Clear</a>    

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