How do I make a postback when date is selected from calendar inside gridview

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Dear,

I have a grid with date column where i want to make a postback or trigger an textbox event when user selects date from calendar inside a gridview with edit mode.

but the below code does not trigger text box changed event..
I want to trigger a textbox/calendar event when user makes a selection.

What I have tried:

ASP.NET

 <asp:TemplateField HeaderText="Date" >                                                       <itemtemplate>
<asp:TextBox ID="txtDischargeDate" runat="server" ReadOnly="true" CssClass="txtb" Width="80px" OnTextChanged="txtDischargeDate_TextChanged">
<asp:Image ID="Image2" runat="server" ImageUrl="~/Images/ew_calendar.gif"  />
<cc1:calendarextender cssclass="cal_Theme1" id="Cal1" runat="server" popupbuttonid="Image2" targetcontrolid="txtDischargeDate">

Posted 14-Nov-16 19:24pm

syedkhaleel2010

Updated 15-Nov-16 0:29am

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Sinisa Hajnal · Accepted Answer · 2016-11-15T00:29:00

The calendar extender has a client-side OnClientDateSelectionChanged event. Add a hidden button and handle the click event of the button. Now in the OnClientDateSelectionChanged function, call the button click event. It will postback to the button's click event on the server and you can do your processing there.

Or check server side events (if they added some) of the calendar. If you have DateSelected, use that postback to do whatever you need to do