c# - Fire TextChanged for textbox when the text changed by javascript -

i have text box i'm filling of date jquery datepicker , code below:

<div id="test"></div> <asp:textbox id="txtrdate" runat="server" width="120px" clientidmode="static"  autopostback="true" ontextchanged="txtrdate_textchanged"> </asp:textbox> 

javascript code is:

 <script type="text/javascript">   $('#test').datepicker({        dateformat: 'yy/mm/dd',        mindate: new date(2017, 1, 1),        defaultdate: new date(),        onselect: function(date, obj){                      $('#txtrdate').val(date);  //updates value of date                    }  });  </script> 

when select date datepicker text changed on textbox textchanged textbox not fired.

c# code behind:

  protected void txtrdate_textchanged(object sender, eventargs e)   {         getdata(txtrdate.text);   } 

kindly advise me how fire textchanged textbox when text changed javascript

thanks in advance.

in jquery .val() not trigger onchange have trigger it

<script type="text/javascript"> $('#test').datepicker({     dateformat: 'yy/mm/dd',     mindate: new date(2017, 1, 1),     defaultdate: new date(),  onselect: function(date, obj){     $('#txtrdate').val(date);  //updates value of date   $('#txtrdate').trigger('change'); } }); </script>