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File Upload Not working in update Panel I also tried triggers but it also not working

File Upload Not working in update Panel I also tried triggers but it also not working KINDLY RESOVE MY ISSUE
***<%# Page Title="Pharmacy Orders" Theme="DefaultTheme" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="OnlinePharmacyOrders.aspx.cs" Inherits="Forms_Online_OnlinePharmacyOrders" %>
<asp:Content ID="Content1" ContentPlaceHolderID="CPH_Header" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="CPH_Menus" runat="Server">
</asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="CPH_Content" runat="Server">
<asp:UpdatePanel ID="UP_PharmacyOrder" runat="server" ChildrenAsTriggers="True" UpdateMode="Conditional">
<ContentTemplate>
<ProgressTemplate>
<div class="UpdateProgress">
<img src="../../App_Themes/DefaultTheme/Images/loading.gif" alt="" class='loadingImg' />
</div>
</ProgressTemplate>
</asp:UpdateProgress>
<ajax:TabContainer ID="TC_PharmacyOrders" runat="server" ActiveTabIndex="0" AutoPostBack="true">
<ajax:TabPanel ID="TP_Detail" runat="server" TabIndex="1" Visible="false">
<HeaderTemplate>
Detail
</HeaderTemplate>
<ContentTemplate>
<asp:Panel ID="Pnl_UpdateTrackingNo" runat="server" DefaultButton="Btn_UpdateTrackingNo" Visible="False">
<table class="tblListing">
<tr>
<td colspan="2" class="Heading">Order Detail (Update Tracking / Status) </td>
</tr>
<tr>
<td class="shade">Order No</td>
<td>
<asp:Label ID="Lbl_OrderNoT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Ordered Placed By
</td>
<td>
<asp:Label ID="Lbl_OrderByT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Contact No
</td>
<td>
<asp:Label ID="Lbl_ContacTNoT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Invoice No
</td>
<td>
<asp:Label ID="Lbl_InoviceNoT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Delivery Charges
</td>
<td>
<asp:Label ID="Lbl_DeliveryChargesT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Invoice Amount
</td>
<td>
<asp:Label ID="Lbl_InvoiceAmountT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Delivery Address
</td>
<td>
<asp:Label ID="Lbl_DeliveryAddressT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Pharmacy Remarks
</td>
<td>
<asp:Label ID="Lbl_PharmacyRemarksT" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Status
</td>
<td>
<telerik:RadComboBox ID="Cmb_StatusT" Filter="StartsWith" runat="server" BorderColor="Black" Width="180px" BorderWidth="1px" Skin="Office2010Silver">
<Items>
<telerik:RadComboBoxItem runat="server" Text="Pending" Value="1" />
<telerik:RadComboBoxItem runat="server" Text="Dispatched" Value="2" />
<telerik:RadComboBoxItem runat="server" Text="Cancelled" Value="3" />
<telerik:RadComboBoxItem runat="server" Text="Received by Customer" Value="4" />
<telerik:RadComboBoxItem runat="server" Text="Returned" Value="4" />
</Items>
</telerik:RadComboBox>
</td>
</tr>
<tr>
<td class="shade">Tracking No (if Any)
</td>
<td>
<asp:TextBox ID="TxBx_TrackingNoT" runat="server" ValidationGroup="T"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_TrackingNoT" runat="server" ControlToValidate="TxBx_TrackingNoT" Display="None" ErrorMessage="* Required" ValidationGroup="T"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="RFV_TrackingNoT_ValidatorCalloutExtender" runat="server" Enabled="True" TargetControlID="RFV_TrackingNoT">
</ajax:ValidatorCalloutExtender>
<ajax:ValidatorCalloutExtender ID="ValidatorCalloutExtender1" runat="server" Enabled="True" TargetControlID="RFV_TrackingNo">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade"> </td>
<td>
<asp:Button ID="Btn_UpdateTrackingNo" runat="server" SkinID="SaveSkin" Text="Save" ValidationGroup="T" Width="100px" OnClick="Btn_UpdateTrackingNo_Click" />
</td>
</tr>
</table>
</asp:Panel>
<asp:Panel ID="Pnl_SaveOrder" runat="server" DefaultButton="Btn_SaveOrder" Visible="False">
<table class="tblListing">
<tr>
<td colspan="2" class="Heading">Order Detail</td>
</tr>
<tr>
<td class="shade">Order No</td>
<td>
<asp:Label ID="Lbl_OrderNo" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Ordered Placed By
</td>
<td>
<asp:Label ID="Lbl_OrderBy" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Contact No
</td>
<td>
<asp:Label ID="Lbl_ContacTNo" runat="server"></asp:Label>
</td>
</tr>
<tr>
<td class="shade">Invoice No
</td>
<td>
<asp:TextBox ID="TxBx_InvoiceNo" runat="server" ValidationGroup="E"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_InvoiceNo" runat="server" ControlToValidate="TxBx_InvoiceNo" Display="None" ErrorMessage="* Required" ValidationGroup="E"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="RFV_InvoiceNo_ValidatorCalloutExtender" runat="server" Enabled="True" TargetControlID="RFV_InvoiceNo">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade">Prescribed By (Consultant/Dr)
</td>
<td>
<asp:TextBox ID="TxBx_ConsultantName" runat="server" ValidationGroup="E"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_ConsultantName" runat="server" ControlToValidate="TxBx_ConsultantName" Display="None" ErrorMessage="* Required" ValidationGroup="E"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="VCE_ConsultantName" runat="server" Enabled="True" TargetControlID="RFV_ConsultantName">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade">Tracking No (if Any)
</td>
<td>
<asp:TextBox ID="TxBx_TrackingNo" runat="server" ValidationGroup="E"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_TrackingNo" runat="server" ControlToValidate="TxBx_TrackingNo" Display="None" ErrorMessage="* Required" ValidationGroup="E"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="RFV_TrackingNo_ValidatorCalloutExtender" runat="server" Enabled="True" TargetControlID="RFV_TrackingNo">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade">Delivery Charges
</td>
<td>
<asp:TextBox ID="TxBx_DeliveryCharges" CssClass="numeric" runat="server" ValidationGroup="E"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_DeliveryCharges" runat="server" ControlToValidate="TxBx_DeliveryCharges" Display="None" ErrorMessage="* Required" ValidationGroup="E"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="RFV_DeliveryCharges_ValidatorCalloutExtender" runat="server" Enabled="True" TargetControlID="RFV_DeliveryCharges">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade">Invoice Amount
</td>
<td>
<asp:TextBox ID="TxBx_InvoiceAmount" runat="server" CssClass="numeric" ValidationGroup="E"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_InvoiceAmount" runat="server" ControlToValidate="TxBx_InvoiceAmount" Display="None" ErrorMessage="* Required" ValidationGroup="E"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="RFV_InvoiceAmount_ValidatorCalloutExtender" runat="server" Enabled="True" TargetControlID="RFV_InvoiceAmount">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade">Delivery Address
</td>
<td>
<asp:TextBox ID="TxBx_DeliverAddress" TextMode="MultiLine" runat="server" Width="400px" Rows="6" ValidationGroup="E"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_DeliverAddress" runat="server" ControlToValidate="TxBx_DeliverAddress" Display="None" ErrorMessage="* Required" ValidationGroup="E"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="RFV_DeliverAddress_ValidatorCalloutExtender" runat="server" Enabled="True" TargetControlID="RFV_DeliverAddress">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade">Pharmacy Remarks
</td>
<td>
<asp:TextBox ID="TxBx_PharmacyRemarks" TextMode="MultiLine" runat="server" Width="400px" Rows="6" ValidationGroup="E"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFV_PharmacyRemarks" runat="server" ControlToValidate="TxBx_PharmacyRemarks" Display="None" ErrorMessage="* Required" ValidationGroup="E"></asp:RequiredFieldValidator>
<ajax:ValidatorCalloutExtender ID="RFV_PharmacyRemarks_ValidatorCalloutExtender" runat="server" Enabled="True" TargetControlID="RFV_PharmacyRemarks">
</ajax:ValidatorCalloutExtender>
</td>
</tr>
<tr>
<td class="shade">Status
</td>
<td>
<asp:DropDownList ID="DDL_Status" runat="server" Width="200px">
<asp:ListItem Text="Pending" Value="1"></asp:ListItem>
<asp:ListItem Text="Dispatched" Value="2"></asp:ListItem>
<asp:ListItem Text="Received" Value="4"></asp:ListItem>
</asp:DropDownList>
</td>
</tr>
</table>
</asp:Panel>
<table class="tblListing">
<tr>
<td class="Heading" colspan="2">Upload Invoice
</td>
</tr>
<tr>
<td class="shade"> Upload Invoice</td>
<td>
<asp:FileUpload ID="File_Uploader" runat="server" />
</td>
</tr>
<tr>
<td class="shade"> </td>
<td>
<asp:Button ID="Btn_SaveOrder" runat="server" SkinID="SaveSkin" Text="Save" ValidationGroup="E" Width="100px" OnClick="Btn_SaveOrder_Click" Height="26px" />
</td>
</tr>
</table>
<table class="tblListing">
<tr>
<td style="text-align: center">
<asp:Image ID="Img_Invoice" runat="server" AlternateText="Invoice" />
</td>
</tr>
</table>
<table class="tblListing">
<tr>
<td colspan="2" class="Heading">Prescription
</td>
</tr>
<tr>
<td colspan="2" style="text-align: center">
<asp:Image ID="Img_Prescription" runat="server" AlternateText="Prescription" />
</td>
</tr>
<tr id="TR_Move" runat="server">
<td runat="server">
<asp:Button Width="100px" ID="Btn_Previouse" runat="server" Text="<< Previouse " CausesValidation="False" SkinID="ShowAllSkin" OnClick="Btn_Previouse_Click" />
</td>
<td runat="server">
<asp:Button ID="Btn_Next" Width="100px" runat="server" Text="Next >>" CausesValidation="False" SkinID="ShowAllSkin" OnClick="Btn_Next_Click" />
</td>
</tr>
</table>
</ContentTemplate>
</ajax:TabPanel>
</ajax:TabContainer>
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="Btn_SaveOrder" />
</Triggers>
</asp:UpdatePanel>
</asp:Content>
<asp:Content ID="Content4" ContentPlaceHolderID="CPH_Footer" runat="Server">
</asp:Content>***

asp.net timer not firing the updatepanel

I have a table within my aspx page content page (using a Master Page also)
The problem is the Timer doesn't seem to be doing the async postback it doesnt even hit the method
I've tried a fresh solution in VS with the below code and it works fine every 10 seconds the event updatepanel is refreshed. So I believe the code is fine but there's something stopping this from working and I can't figure what.
<div class="row" >
<div class="col-md-3">
<asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional" runat="server">
<asp:Triggers>
<asp:AsyncPostBackTrigger ControlID="TimerPrayer"></asp:AsyncPostBackTrigger>
</asp:Triggers>
<ContentTemplate>
<table id="tblPrayerTimes" class="table-condensed">
<tr>
<th colspan="3">
<asp:Label ID="LblPrayer" runat="server" CssClass="prayerTimeHeaderscss" Text="Prayer Time"></asp:Label>
</th>
<th colspan="1">
<asp:Label ID="lblJammat" runat="server" CssClass="prayerTimeHeaderscss" Text="Jamaat Time"></asp:Label>
</th>
</tr>
<tr>
<td></td>
<th>
<asp:Label ID="lblToday" runat="server" CssClass="prayerlabeltodaytomorrowcss" Text="Today"></asp:Label>
</th>
<th>
<asp:Label ID="lblTomorrow" runat="server" CssClass="prayerlabeltodaytomorrowcss" Text="Tomorrow"></asp:Label>
</th>
</tr>
<tr>
<td>
<asp:Label ID="lblFajr" runat="server" CssClass="prayerLabelscss" Text="Fajr"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lblbegFajrTime" runat="server" CssClass="prayerTimescss" Text="00:00"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lbltmrwFajrTime" runat="server" CssClass="prayerTimeTmrwcss" Text="00:00"></asp:Label>
</td>
<td id="tdfajrJamaatbox" style="text-align: center">
<asp:TextBox ID="txtFajrJamaat" runat="server" Text="00:00" onmousedown="displayPicker('Fajr','tdfajrJamaatbox');" MaxLength="5" CssClass="prayerTimeJamaat"></asp:TextBox>
</tr>
<tr>
<td>
<asp:Label ID="lblSunrise" runat="server" CssClass="prayerLabelscss" Text="Sunrise"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lblbegSunRiseTime" runat="server" CssClass="prayerTimescss" Text="00:00"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lbltmrwSunriseTime" runat="server" CssClass="prayerTimeTmrwcss" Text="00:00"></asp:Label>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblDkubra" runat="server" CssClass="prayerLabelscss" Text="Dahawa Kubra"></asp:Label>
</td>
<td>
<asp:Label ID="lblDkubraTime" runat="server" CssClass="prayerTimescss" Text="00:00"></asp:Label>
</td>
<td style="text-align: center"></td>
<td id="td1" style="text-align: center"></td>
</tr>
<tr>
<td>
<asp:Label ID="lblDhuhr" runat="server" CssClass="prayerLabelscss" Text="Dhuhr"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lblbegDhuhrTime" runat="server" CssClass="prayerTimescss" Text="00:00"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lbltmrwDhuhrTime" runat="server" CssClass="prayerTimeTmrwcss" Text="00:00"></asp:Label>
</td>
<td id="tddhuhrJamaatbox" style="text-align: center">
<asp:TextBox ID="txtDhuhrJamaat" runat="server" CssClass="prayerTimeJamaat" Text="00:00" onmousedown="displayPicker('Dhuhr','tddhuhrJamaatbox');" MaxLength="5"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblAsr" runat="server" CssClass="prayerLabelscss" Text="Asr"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lblbegAsrTime" runat="server" CssClass="prayerTimescss" Text="00:00"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lbltmrwAsrTime" runat="server" CssClass="prayerTimeTmrwcss" Text="00:00"></asp:Label>
</td>
<td id="tdasrJamaatbox" style="text-align: center">
<asp:TextBox ID="txtAsrJamaat" runat="server" CssClass="prayerTimeJamaat" Text="00:00" onmousedown="displayPicker('Asr','tdasrJamaatbox');" MaxLength="5"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblMaghrib" runat="server" CssClass="prayerLabelscss" Text="Maghrib"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lblbegMaghribTime" runat="server" CssClass="prayerTimescss" Text="00:00"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lbltmrwMaghrib" runat="server" CssClass="prayerTimeTmrwcss" Text="00:00"></asp:Label>
</td>
<td id="tdmaghribJamaatbox" style="text-align: center">
<asp:TextBox ID="txtMaghribJamaat" runat="server" CssClass="prayerTimeJamaat" Text="00:00" onmousedown="displayPicker('Maghrib','tdmaghribJamaatbox');" MaxLength="5"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblIsha" runat="server" CssClass="prayerLabelscss" Text="Isha"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lblbegIshaTime" runat="server" CssClass="prayerTimescss" Text="00:00"></asp:Label>
</td>
<td style="text-align: center">
<asp:Label ID="lbltmrwIshaTime" runat="server" CssClass="prayerTimeTmrwcss" Text="00:00"></asp:Label>
</td>
<td id="tdishaJamaatbox" style="text-align: center">
<asp:TextBox ID="txtIshaJamaat" runat="server" CssClass="prayerTimeJamaat" Text="00:00" onmousedown="displayPicker('Isha','tdishaJamaatbox');" MaxLength="5"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblJamaat" runat="server" CssClass="prayerLabelscss" Text="Jummah 1"></asp:Label>
</td>
<td></td>
<td></td>
<td id="tdjummah1Jamaatbox" style="text-align: center">
<asp:TextBox ID="txtJummah1Jamaat" runat="server" CssClass="prayerTimeJamaat" Text="13:30" onmousedown="displayPicker('Jummah1','tdjummah1Jamaatbox');" MaxLength="5"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:Label ID="lblJummah2" runat="server" CssClass="prayerLabelscss" Text="Jummah 2"></asp:Label>
</td>
<td></td>
<td></td>
<td id="tdjummah2Jamaatbox" style="text-align: center">
<asp:TextBox ID="txtJummah2Jamaat" runat="server" CssClass="prayerTimeJamaat" Text="13:30" onmousedown="displayPicker('Jummah2','tdjummah2Jamaatbox');" MaxLength="5"></asp:TextBox>
</td>
</tr>
<tr>
<td colspan="4">
<asp:Button ID="btnRadioStatus" OnClick="btnRadioStatus_Click" runat="server" Enabled="false" CssClass="cssRadioStatus"
Text="Button" />
</td>
</tr>
</table>
</ContentTemplate>
</asp:UpdatePanel>
<asp:Timer ID="TimerPrayer" runat="server" OnTick="TimerPrayer_Tick" Interval="10000"></asp:Timer>
</div>
code behind
protected void TimerPrayer_Tick(object sender, EventArgs e)
{
ReadMyData();
}

I had the same problem. I put a timer inside my update panel. It was not firing its OnTick event callback at all.
I moved the timer outside the update panel and then it started firing on the callback.
Then I added a Trigger for the timer in the update panel and it works:
<asp:UpdatePanel ID="UpdatePanelChart" runat="server">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="tmChartPanel"
EventName="Tick" />
</Triggers>
<!-- ... -->

I had this in my page load which was stopping the postback
ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "setDOM", "$(\"#divDigitalClock\").clock({ \"langSet\":\"en\",\"format\":\"24\"});", true);

Maybe you can use trigger.Because update panel postback works with trigger.
You don't have to use timer in update panel,use timer outside the update panel.
And as an example using timer in update panel
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />
</Triggers>
<ContentTemplate>
<!-- your content here, no timer -->
</ContentTemplate>
</asp:UpdatePanel>
<asp:Timer ID="Timer1" runat="server" Interval="5000" OnTick="Timer1_Tick">
</asp:Timer>
source of code

Unable to hide and show text boxes after refresh the page

I am trying to hide and show text boxes by radio button using jquery. I can show and hide text boxes but the error is I have a drop-down list. When I select drop-down value the page getting refreshed. After page refresh I am unable to do hiding and showing of text boxes. I have update panel for ajax. Why I am unable to hide and show text boxes after page refresh? Here is my source code. Please help me.
<%# Page Title="" Language="C#" MasterPageFile="~/Home.Master" AutoEventWireup="true" CodeBehind="ExperienceADD.aspx.cs" Inherits="Manjilas.WebForm31"%>
<%# Register Namespace="AjaxControlToolkit" Assembly="AjaxControlToolkit" tagPrefix="ajax" %>
<%# Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="ajax" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" runat="server">
</asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="MainContent" runat="server">
</asp:Content>
<asp:Content ID="Content4" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">
<head>
<script src="Scripts2/jquery-1.7-vsdoc.js"></script>
<script src="Scripts2/jquery-1.7.js"></script>
<script src="Scripts2/jquery-1.7.min.js"></script>
<script type="text/javascript">
$(function () {
$('input[name="type"]').on('click', function () {
if ($(this).val() == 'Experienced') {
$('#txtcomp').Show();
$('#txtfrom').Show();
$('#txtto').Show();
} else {
$('#txtcomp').hide();
$('#txtcomp').hide();
$('#txtfrom').hide();
$('#txtto').hide();
}
});
});
</script>
</head>
<div class="container-fluid">
<div class="row-fluid">
<div class="well span5 center login-box">
<div class="alert alert-info">
<b><font size="4">ADD EXPERIENCE DETAILS</font></b>
</div>
<form id="form1" runat="server">
<asp:UpdatePanel ID="updatepanel1" runat="server"><ContentTemplate>
<div>
<ajaxToolkit:ToolkitScriptManager runat="server">
</ajaxToolkit:ToolkitScriptManager>
<asp:UpdatePanel ID="updatepanel2" runat="server"></asp:UpdatePanel>
<fieldset>
<table class="ui-accordion">
<tr>
<td align="left" class="style2">
MachID</td>
<td align="left">
<%-- <div class="input-prepend" title="Select Country Name">--%>
<asp:DropDownList ID="ddid" runat="server" AutoPostBack="True"
onselectedindexchanged="ddid_SelectedIndexChanged">
</asp:DropDownList>
</td>
</tr>
<tr>
<td align="left" class="style2">
<asp:Label ID="Empcode" runat="server" Text="EmpCode"></asp:Label>
<td align="left">
<asp:TextBox ID="txtname" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td align="left" class="style2">
</td>
<td align="left">
<input type="radio" name="type" value="Fresher" />Fresher
<input type="radio" name="type" value="Experienced" />Experienced
</td>
</tr>
<tr>
<td align="left" class="style2">
Company</td>
<td align="left">
<div class="input-prepend" title="Autogenerated District ID" data-rel="tooltip">
<asp:TextBox ID="txtcomp" runat="server" TextMode="SingleLine"></asp:TextBox>
</td>
</tr>
<tr>
<td align="left" class="style2">
From Date</td>
<td align="left">
<div class="input-prepend" title="Enter District Name" data-rel="tooltip">
<asp:TextBox ID="txtfrom" runat="server" TextMode="SingleLine"></asp:TextBox>
<ajax:CalendarExtender ID="Calendarextender1" TargetControlID ="txtfrom" Format="dd/MM/yyyy" runat="server"></ajax:CalendarExtender>
</td>
</tr>
<tr>
<td align="left" class="style2">
To Date</td>
<td align="left">
<div class="input-prepend" title="Enter District Name" data-rel="tooltip">
<asp:TextBox ID="txtto" runat="server" TextMode="SingleLine"></asp:TextBox>
<ajax:CalendarExtender ID="Calendarextender2" TargetControlID ="txtto" Format="dd/MM/yyyy" runat="server"></ajax:CalendarExtender>
</td>
</tr>
<tr>
<td class="style2">
</td>
<td align="left">
<asp:Button ID="Button1" class="btn-primary" runat="server" Text="Add"
Height="36px" Width="74px" onclick="Button1_Click" />
<asp:Button ID="Button2" class="btn-primary" runat="server" Text="Cancel"
Height="36px" Width="74px" PostBackUrl="~/districtDetails.aspx" />
</td>
</tr>
<tr>
<td class="style2">
</td>
<td align="left">
<asp:Label ID="Label2" runat="server" ForeColor="Red"></asp:Label>
</td>
</tr>
</table>
</div>
</ContentTemplate>
</asp:UpdatePanel>
</fieldset>
</form>
</div><!--/span-->
</div><!--/row-->
</div>
</div>
</asp:Content>

It's because you're using an UpdatePanel, it will refresh everything inside it's <ContentTemplate>, which in your case has input[name="type"] inside it.
Because it's refreshed, the on('click', function() { isn't binding the current radiobutton with the name="type" anymore, thus make the click never triggered after you select one item inside the dropdown, what you need is to wrap the UpdatePanel only for things that you want to be refreshed or changed only, like this for your case:
<asp:UpdatePanel ID="updatepanel1" runat="server">
<ContentTemplate>
<tr>
<td align="left" class="style2">
MachID
</td>
<td align="left">
<asp:DropDownList ID="ddid" runat="server" AutoPostBack="True"
onselectedindexchanged="ddid_SelectedIndexChanged">
</asp:DropDownList>
</td>
</tr>
<tr>
<td align="left" class="style2">
<asp:Label ID="Empcode" runat="server" Text="EmpCode"></asp:Label>
</td>
<td align="left">
<asp:TextBox ID="txtname" runat="server"></asp:TextBox>
</td>
</tr>
</ContentTemplate>
</asp:UpdatePanel>
Other Way
Use the jQuery on click selector, you just need to change
$('input[name="type"]').on('click', function () {
if ($(this).val() == 'Experienced') {
$('#txtcomp').show();
$('#txtfrom').show();
$('#txtto').show();
}
too
$('.ui-accordion').on('click', 'input[name="type"]', function () {
if ($(this).val() == 'Experienced') {
$('#txtcomp').show();
$('#txtfrom').show();
$('#txtto').show();
}

The show function is k senstive. Try this:
$('#txtcomp,#txtfrom,#txtto').show();

Calling user control within a user control

Hi I have two usercontrols.
The first user control has a button and the second user control has a popup control.
I registered the second user control in the first user control with id=ctlPopUp
Onclick event of button I have to display the popup control.
I tried with
protected void btnUser_Click(object sender, EventArgs e)
{
var userCtlPopup = ctlPopUp.FindControl("pcDownload");
userCtlPopup.Visible = true;
}
It doesn't work. Can you please suggest?
Hi here is the user control markups:
POpupUsercontrol:
<div id="divDownload" runat="server" visible="true">
<dx:aspxpopupcontrol id="pcDownload" runat="server" showpagescrollbarwhenmodal="true"
clientinstancename="pcDownload" enableclientsideapi="true" modal="True" popuphorizontalalign="WindowCenter"
popupverticalalign="WindowCenter" showheader="false" allowdragging="True" enableanimation="False"
enableviewstate="False" width="600px" autoupdateposition="true" closeaction="CloseButton">
<ContentCollection>
<dx:PopupControlContentControl ID="PopupControlContentControl4" runat="server"
Width="100%">
<dx:ASPxPanel ID="ASPxPanel3" runat="server">
<PanelCollection>
<dx:PanelContent ID="PanelContent4" runat="server">
<div>
<table class="cChildTable">
<tr>
<td>
<h3>Download</h3>
</td>
</tr>
<tr>
<td class="auto-style1">
<div class="hr">
</div>
<asp:Label ID="lblDownLoadMessages" runat="server" CssClass="cMessageArea"></asp:Label>
</td>
</tr>
</table>
<table class="cChildTable" border="0">
<tr><td style="font:bold" colspan="2"><asp:Label ID="Title" runat="server" Text="Content Link Title"></asp:Label></td></tr>
<tr>
<td style="vertical-align: top; width: 30px; padding: 2px" rowspan="8">
<asp:CheckBox ID="chkImg" runat="server" AutoPostBack="True" Checked="true" />
</td>
<td style="vertical-align: top" rowspan="3">
<asp:Image runat="server" ID="imgUpload" Width="100px" Height="100px" Style="top: 0px;" AlternateText="No Image" />
</td>
<td>
<asp:CheckBox ID="chkName" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblName" runat="server" Text="Name:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtName" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkCompany" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblCompany" runat="server" Text="Company:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtCompany" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkAddress" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblAddress" runat="server" Text="Address:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtAddress" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td rowspan="5" style="vertical-align:top"><asp:LinkButton ID="lnkAddImg" runat="server"> </asp:LinkButton></td>
<td>
<asp:CheckBox ID="chkCtyStateZip" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblCtyStateZip" runat="server" Text="City, State Zip:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtCtyStateZip" runat="server" CssClass="cText" Width="300px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkPhone" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblPhone" runat="server" Text="Phone:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtPhone" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkFax" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblFax" runat="server" Text="Fax:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtFax" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkEmail" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblEmail" runat="server" Text="Email:" Width="90px"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtEmail" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:CheckBox ID="chkOther" runat="server"
AutoPostBack="true" />
</td>
<td class="cLabel" style="width: 15%">
<asp:Label ID="lblOther" runat="server" Text="Other:" Width="90px "></asp:Label>
</td>
<td>
<asp:TextBox ID="txtOther" runat="server" CssClass="cText" Width="150px" MaxLength="75"></asp:TextBox>
</td>
</tr>
<tr>
<td colspan="4">
<div class="buttons">
<span id="span2" class="cBtnLeft"><span class="cBtnMid"><span class="cBtnRight">
<asp:Button ID="btnDownLoad" runat="server" Width="65px" CssClass="cBtnRight" Text="Download"
OnClick="btnDownLoad_Click"/>
</span></span></span><span id="span1" class="cBtnLeft"><span class="cBtnMid"><span
class="cBtnRight">
<asp:Button ID="btnCancel" runat="server" Width="65px" CssClass="cBtnRight" Text="Cancel"
Visible="true" OnClick="btnCancel_Click" />
</span></span></span>
</div>
</td>
</tr>
</table>
</div>
</dx:PanelContent>
</PanelCollection>
</dx:ASPxPanel>
</dx:PopupControlContentControl>
</ContentCollection>
</dx:aspxpopupcontrol>
</div>
Usercontrol where the popup user control is called
<asp:Panel runat="server" ID="pnlCategoryDetail" Width="100%">
<dx:ASPxDataView ID="dvMARCCategoryDetail" runat="server" Width="100%"
ClientInstanceName="dvMARCCategoryDetail" style="clear: both" ColumnCount="2" RowsPerPage="2" OnPageIndexChanged="dvMARCCategoryDetail_PageIndexChanged">
<itemtemplate>
<table>
<tbody>
<tr>
<td>
<table>
<tr>
<td>
<asp:Image ID="ModelImage" runat="server" ImageUrl='<%#Eval("ImageUrl") %>'>
</asp:Image>
</td>
<td>
<div style="width: 5px" class="Spacer">
</div>
</td>
</tr>
</table>
</td>
<td>
<table>
<tr>
<td>
<asp:Label ID="ModelLabel" runat="server" Text='<%# Eval("DocumentName") %>' Font-Bold="True"
>
</asp:Label></td>
</tr>
<tr>
<td style="text-align:left;padding-bottom:1em;">
<asp:Label ID ="txtText1" runat="server" Text="The May edition of News Brief contains seven newsworthy articles"></asp:Label>
</td>
</tr>
<tr>
<td>
<asp:Label ID ="txtText2" runat="server" Text="Suggested Subject Line: The May 2014 News Brief has arrived!"></asp:Label>
</td>
</tr>
<tr>
<td style="white-space:nowrap;">
<a id="clink2" style="width:60px">Content Link 1</a>
<asp:ImageButton ID="ImageButton2" runat="server" OnClick="btnArrow_Click" ImageUrl="~/Images/DownloadArrow.png" ToolTip="Download Item" style="padding-top:8px"/>
<asp:ImageButton ID="ImageButton1" runat="server" OnClick="btnAdd_Click" ImageUrl="~/Images/Add.png" ToolTip="Add Item" style="padding-top:8px"/>
</td>
<td> </td></tr>
</table>
</td>
</tr>
</tbody>
</table>
</itemtemplate>
<paddings padding="0px" />
<itemstyle height="50px">
</itemstyle>
</dx:ASPxDataView>
</asp:Panel>
<div id="divCategoryPopup" runat="server">
<downloadPopUp:categoryPopup id="ctlPopUp" runat="server"></downloadPopUp:categoryPopup>
</div>
On click of btnArrow_Click the popup user control should be displayed

Default Button not working while focus on different control

i have a search form in which i have certain controls (TextBox,DropDownList,CheckBox etc.) i have a search button in which the code for getting the result set if written.I want search button click event to get fired when i hit enter button,for this is have written
<form id="form1" runat="server" defaultbutton="btnSearch">
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods="true">
</asp:ScriptManager>
<telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
</telerik:RadCodeBlock>
<telerik:RadDatePicker ID="RadDatePicker1" Style="display: none;" MinDate="01/01/1900"
MaxDate="12/31/2100" runat="server">
<ClientEvents OnDateSelected="dateSelected" />
</telerik:RadDatePicker>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="center" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td height="25" align="center" valign="middle">
<table width="96%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="400" align="left" valign="top">
<span style="color: #FFFFFF; font-weight: bold;">
<asp:Label ID="lblName" runat="server"></asp:Label></span>
</td>
<td align="right" style="color: #FFFFFF; font-weight: bold;">
<asp:LinkButton ID="lbtnLogout" runat="server" Text="Logout" ForeColor="#FFFFFF"
Font-Bold="true" OnClick="lbtnLogout_Click">Logout</asp:LinkButton>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td height="10" align="center" valign="middle">
</td>
</tr>
<tr>
<td align="center" valign="top" bgcolor="#FFFFFF">
<table width="100%" border="0" cellpadding="0" cellspacing="0" style="background: url(../img/bg02.png) #FFFFFF no-repeat top right;">
<tr>
<td align="left" valign="middle">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="250" align="left">
<img src="../img/goDigital_Logo01.png" width="198" height="91">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td height="3" align="center" valign="middle" style="background: url(../img/bg01.png) no-repeat;">
<asp:Label ID="lblError" runat="server" ForeColor="Red"></asp:Label>
<asp:UpdateProgress ID="UpdateProgress2" runat="server">
<ProgressTemplate>
<table cellpadding="0" cellspacing="0" width="140">
<tr>
<td width="26">
<asp:Image ID="Image3" runat="server" ImageAlign="AbsMiddle" Width="16px" Height=" 16px"
CssClass="PreLoader" ImageUrl="~/Images/preloader-square.gif" />
</td>
<td class="HD1b">
Please wait...
</td>
</tr>
</table>
</ProgressTemplate>
</asp:UpdateProgress>
</td>
</tr>
<tr>
<td align="left" valign="top">
<table width="100%" border="0" cellspacing="2" cellpadding="1" style="background: url(../img/bg-shadow.png) repeat-x center bottom;">
<tr>
<td width="20" class="color2">
</td>
<td width="100" class="color2">
<strong>Vendor Code</strong>
</td>
<td width="5">
<strong>:</strong>
</td>
<td colspan="2">
<table cellpadding="0" cellspacing="0" width="80%">
<tr>
<td>
<strong>
<telerik:RadComboBox ID="radtxtVendorCode" runat="server" EmptyMessage="Select Vendor Code"
EnableLoadOnDemand="true" EnableVirtualScrolling="true" Filter="Contains" HighlightTemplatedItems="true"
Height="180px" Style="margin-left: 0px" Width="100%">
<WebServiceSettings Method="GetVendorCode" Path="AccountSearch.aspx" />
</telerik:RadComboBox>
</strong>
</td>
</tr>
</table>
</td>
<td width="130" class="color2">
<strong>Invoice Date</strong>
</td>
<td width="5">
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDPInvoiceDateFrom" runat="server">
<Calendar ID="Calendar3" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
<td>
<strong>To</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDPInvoiceDateTo" runat="server">
<Calendar ID="Calendar4" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
</tr>
<tr>
<td class="color2">
<strong>Vendor Name</strong>
</td>
<td>
<strong>:</strong>
</td>
<td colspan="2">
<table cellpadding="0" cellspacing="0" width="80%">
<tr>
<td>
<strong>
<telerik:RadComboBox ID="radtxtVendorName" runat="server" EmptyMessage="Select Vendor Name"
EnableLoadOnDemand="true" EnableVirtualScrolling="true" Filter="Contains" Height="180px"
HighlightTemplatedItems="true" Style="margin-left: 0px" Width="100%">
<WebServiceSettings Method="GetVendorName" Path="AccountSearch.aspx" />
</telerik:RadComboBox>
</strong>
</td>
</tr>
</table>
</td>
<td class="color4">
<strong>Invoice Amount</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadNumericTextBox ID="RadtxtInvoicFromAmt" runat="server" Culture="en-IN"
EmptyMessage="From Amount" Width="120px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadNumericTextBox>
</strong>
</td>
<td>
<strong>To</strong>
</td>
<td>
<strong>
<telerik:RadNumericTextBox ID="RadtxtInvoicToAmt" runat="server" Culture="en-IN"
EmptyMessage="To Amount" Width="120px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadNumericTextBox>
</strong>
</td>
</tr>
<tr>
<td class="color1">
<strong>Print Ref. No</strong>
</td>
<td>
<strong>:</strong>
</td>
<td width="160">
<strong>
<telerik:RadTextBox ID="RadtxtPrintRefNo" runat="server" EmptyMessage="Enter Print Ref No"
Width="160px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadTextBox>
</strong>
</td>
<td rowspan="3" align="left" valign="top">
<strong>
<img src="../img/digital1.jpg" width="160" height="119"></strong>
</td>
<td class="color4">
<strong>Transaction Date</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDTTxnFromDate" runat="server">
<Calendar ID="Calendar1" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
<td>
<strong>To</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDTTxnToDate" runat="server">
<Calendar ID="Calendar2" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
</tr>
<tr>
<td class="color4">
<strong>Invoice No</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadTextBox ID="RadtxtInvoicNo" runat="server" EmptyMessage="Enter Invoic No"
Width="160px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadTextBox>
</strong>
</td>
<td>
</td>
<td class="color4">
<strong>NEFT / Chq No</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadTextBox ID="RadtxtneftNoFrom" runat="server" EmptyMessage="Enter From Neft No"
Width="120px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadTextBox>
</strong>
</td>
</tr>
<tr>
<td valign="top" class="color4">
<strong>Currency</strong>
</td>
<td valign="top">
<strong>:</strong>
</td>
<td valign="top">
<strong>
<telerik:RadComboBox ID="radtxtCurrencyCode" runat="server" Height="121px" HighlightTemplatedItems="true"
Filter="Contains" EmptyMessage="Select Currency" EnableLoadOnDemand="true" EnableVirtualScrolling="true"
Width="163px">
<WebServiceSettings Method="GetCurrencyCode" Path="AccountSearch.aspx" />
</telerik:RadComboBox>
</strong>
</td>
<td valign="top" class="color4">
<strong>Remarks / Naration</strong>
</td>
<td valign="top">
<strong>:</strong>
</td>
<td colspan="4" valign="top">
<strong>
<asp:TextBox ID="txtRemarks" runat="server" Width="330px" TextMode="MultiLine"></asp:TextBox>
</strong>
</td>
</tr>
<tr>
<td align="left" valign="top">
<asp:ImageButton ID="btnSearch" runat="server" ImageUrl="~/img/btnsearch.png" Width="125"
Height="45" OnClick="btnSearch_Click" OnClientClick="return checkdate();" />
</td>
<td colspan="4" valign="top">
<asp:ImageButton ID="btnClear" runat="server" ImageUrl="~/img/btnclear.png" Width="125" Height="45" OnClick="btnClear_Click" />
</tr>
</table>
</td>
</tr>
<tr>
<td height="120" align="left" valign="top" bgcolor="#C2E8F3">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<telerik:RadGrid ID="rdSearchResult" runat="server" GridLines="None" AllowPaging="True"
SkinID="MySkin" AutoGenerateColumns="false" AllowMultiRowSelection="True" AllowSorting="false"
OnNeedDataSource="rdSearchResult_NeedDataSource" Skin="Windows7">
<PagerStyle AlwaysVisible="True" />
<MasterTableView>
<CommandItemSettings ExportToPdfText="Export to Pdf"></CommandItemSettings>
<Columns>
<telerik:GridTemplateColumn HeaderText="Supp Code">
<ItemTemplate>
<%# Eval("suppcode")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Party">
<ItemTemplate>
<%# Eval("party_name")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Ref No">
<ItemTemplate>
<%# Eval("print_refno")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Currency">
<ItemTemplate>
<%# Eval("currcode")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Invoice No">
<ItemTemplate>
<%# Eval("invno")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Invoice Amt">
<ItemTemplate>
<%# Eval("invAmt")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Invoice Date">
<ItemTemplate>
<asp:Label ID="lblDate" runat="server" Text='<%#Convert.ToDateTime(Eval("invdt")).ToString("dd/MM/yyyy") %>'></asp:Label>
</ItemTemplate>
</telerik:GridTemplateColumn>
</Columns>
<PagerStyle AlwaysVisible="True"></PagerStyle>
</MasterTableView>
<ClientSettings ClientEvents-OnRowDblClick="rdSearchResultDblClick" EnableRowHoverStyle="true">
<ClientEvents OnRowDblClick="rdSearchResultDblClick"></ClientEvents>
<Selecting AllowRowSelect="true" />
</ClientSettings>
<SelectedItemStyle BackColor="#C2E8F3" />
</telerik:RadGrid>
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
</td>
</tr>
<tr>
<td bgcolor="#C44533">
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
but this works only when i click somewhere out (take focus off the searching control)and then hit enter
Please suggest

You can place your controls inside a asp:panel and set it's default button.
<asp:Panel ID="p" runat="server" DefaultButton="myButton">
<%-- Text boxes here --%>
<%-- drop down here --%>
.....
<asp:Button ID="myButton" runat="server" />
</asp:Panel>

set a default button to be clicked when the user presses Enter? Simply add the following line to your page's Load event, replacing "btnSearch" with the name of your button. It uses a hidden Page method called RegisterHiddenField and works splendidly:
Page.RegisterHiddenField("__EVENTTARGET", "btnSearch")
Source :-Default Button

try using Button and its UseSubmitBehavior
<asp:Button ID="btnSearch" runat="server" Width="125" Height="45" UseSubmitBehavior="true" />
instead of Image button.
You can easily set the background image of button using css. so don't use Image Button

Place this script below the scriptmanager:
<script type="text/javascript">
var $p = Telerik.Web.UI.RadComboBox.prototype;
var keyDownHandler = $p._onKeyDown;
$p._onKeyDown = function (e) {
var oReturnValue = e.returnValue;
var oPreventDefault = e.preventDefault;
var keyCode = e.keyCode || e.which;
if (keyCode === 13)
e.preventDefault = null;
keyDownHandler.call(this, e);
if (keyCode === 13) {
e.returnValue = oReturnValue;
e.preventDefault = oPreventDefault;
}
};
</script>