Water Mark Extender

To use Ajax Watermark:


1. Set the attribute of the textbox to readonly in pageload 


e.g.


if (!IsPostBack)
            {
                          txtDateOfBirth.Attributes.Add("readonly", "readonly");
            }


2. Use Ajax  Calendar Extender to get the date

e.g.
<AjaxControlToolkit:CalendarExtender ID="cal DateOfBirth " Format="dd/MM/yyyy" runat="server" TodaysDateFormat="dd, MM, yyyy" TargetControlID="txtDateOfBirth" Enabled="True"></AjaxControlToolkit:CalendarExtender>

3. Use Ajax  Watermark Extender to get the date
e.g.

 <AjaxControlToolkit:TextBoxWatermarkExtender ID="TextBoxWatermarkExtender3"
                                        runat="server" TargetControlID="txtDateOfBirth" WatermarkText="Date"
                                        WatermarkCssClass="TxtWatMarktxtFromDate" Enabled="True"></AjaxControlToolkit:TextBoxWatermarkExtender>

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