Chandra Bhushan Prasad

 (this.Parent.NamingContainer.FindControl("hfIsNeedToRebind") as HiddenField).Value

Add script -------------------- function __doPostBack(eventTarget, eventArgument)  { if  (!theForm.onsubmit || (theForm.onsubmit() ! =   false )) { theForm.__EVENTTARGET.value  =  eventTarget; theForm.__EVENTARGUMENT.value  =  eventArgument; theForm.submit();  }  } ---------------------- <input type= "hidden"  name= "__EVENTTARGET"  id= "__EVENTTARGET"  value= ""  /> <input type= "hidden"  name= "__EVENTARGUMENT"  id= "__EVENTARGUMENT"  value= ""  /> <select name="DropDownList1" onchange="javascript:setTimeout('__doPostBack(\'DropDownList1\',\'\')', 0)" id="DropDownList1">             <option value="1">abc</option>             <option value="2">xyz</option> </select> --------------------- private string getPostBackControlName() ...

//Aspx code ------- <input id="time" value="90:00" type="text" readonly="readonly" /> <input type="button" name="" value="Save" onclick="SaveTimerDetails();" /> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> <script type="text/javascript">     //$(document).ready(function () {     function SaveTimerDetails() {         var time = document.getElementById('time').value;         var id = 1;         var vardata = "{ TimeID: " + id + ", TotalTime: '"+ time +"' }";         $.ajax({             type: "POST",             contentType: "application/json; charset=utf-8",         ...

//------------------Add these control in form  <input id="time" value="90:00" type="text" readonly="readonly" />         <input type="button" name="" value="Start" onmouseup="zxcStartTime('time',true);" />         <input type="button" name="" value="Stop" onmouseup="zxcStartTime('time',false);" /> //  //add these script <script type="text/javascript">     /*<![CDATA]*/     function zxcStartTime(id, srt) {         var obj = document.getElementById(id), ms = obj.value.split(/\W/);                 if (zxcStartTime[id]) {             clearTimeout(zxcStartTime[id].to);         }         if (srt && isFinite(ms[0]) ...