Hi,
getting the famous webform_initcallback error that I cannot possibly solve with your advise in this form or internet..
asp page
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm1.aspx.vb" Inherits="WebApplication2.WebForm1" %>
<%@ Register assembly="Telerik.Web.UI" namespace="Telerik.Web.UI" tagprefix="telerik" %>
<!DOCTYPE html>
<
html
xmlns
=
"http://www.w3.org/1999/xhtml"
>
<
head
runat
=
"server"
>
<
title
></
title
>
</
head
>
<
body
>
<
form
id
=
"form1"
runat
=
"server"
>
<
div
>
<
telerik:RadScriptManager
ID
=
"RadScriptManager1"
Runat
=
"server"
>
</
telerik:RadScriptManager
>
<
br
/>
<
telerik:RadComboBox
ID
=
"RadComboBox1"
Runat
=
"server"
>
</
telerik:RadComboBox
>
<
br
/>
</
div
>
</
form
>
</
body
>
</
html
>
No back end code...
error message
<!DOCTYPE html>
<
html
xmlns
=
"http://www.w3.org/1999/xhtml"
>
<
head
><
title
>
</
title
><
link
href
=
"/WebResource.axd?d=b8adWYak0tImLef4A3fc9Z8_PHe8zKE0KBeii0SRRMrZL_rQKR3OpEAm8hUy-uv03lBksH755XDi7vSiZ89vE2Xm8yPpbVN8tgDpIGivYDQnNkR_vImJ98FznLpy2TKAt0SsnUx2PpsgZlfIGCOmNw2&t=635173547820000000"
type
=
"text/css"
rel
=
"stylesheet"
class
=
"Telerik_stylesheet"
/><
link
href
=
"/WebResource.axd?d=h0MkSn0fIoCPzk73lQFHIcHNbbdB7miPzq0lW5BCUc2QtaYhGg6oJBoMFR0wbWaB8UaxdZe3R9EyFVRK4ngG7EepI4EmV4tkPwQv3vgtmRmHTl8AEeJK5E0WCrCPbHzqJpTJv08DA_1P6x83siCLNOY_Sw2_VhZ4J8dyPVXyt-Q1&t=635173547820000000"
type
=
"text/css"
rel
=
"stylesheet"
class
=
"Telerik_stylesheet"
/></
head
>
<
body
>
<
form
method
=
"post"
action
=
"WebForm1.aspx"
id
=
"form1"
>
<
div
class
=
"aspNetHidden"
>
<
input
type
=
"hidden"
name
=
"RadScriptManager1_TSM"
id
=
"RadScriptManager1_TSM"
value
=
""
/>
<
input
type
=
"hidden"
name
=
"__EVENTTARGET"
id
=
"__EVENTTARGET"
value
=
""
/>
<
input
type
=
"hidden"
name
=
"__EVENTARGUMENT"
id
=
"__EVENTARGUMENT"
value
=
""
/>
<
input
type
=
"hidden"
name
=
"__VIEWSTATE"
id
=
"__VIEWSTATE"
value
=
"Tm5N149yuKmzXB/3B/Ftu2dBnyIRBLBAcvYw8KDmwRC/RfHfYVBiQgUN8ptL4eCcbTI1nKphaomYMnQpljB21sjXL0iRXqYJPSGxSyBRh83N5SX1V1/8v4/Ugrgz+N+zM/fOXegnUBVzVX2plp21ebPiA6udRabI2DvItsRdt2D/e2fNxfyi+dG9WdhoYu6zFnPqYpQOPi2ORTaMmuFz8BrZ4aDKbsHFslH9pwzhY5/5aPQcngfhwpBPqfartm35mbi5Oha7KTAL54PlE+5wd1yb9lKS0hWiuGM+fzehrownLdaZQCgCtgcnyh0t7s2el2150Y2QZzSbyUwPMncnpg=="
/>
</
div
>
<
script
type
=
"text/javascript"
>
//
<![CDATA[
var theForm = document.forms['form1'];
if (!theForm) {
theForm = document.form1;
}
function __doPostBack(eventTarget, eventArgument) {
if (!theForm.onsubmit || (theForm.onsubmit() != false)) {
theForm.__EVENTTARGET.value = eventTarget;
theForm.__EVENTARGUMENT.value = eventArgument;
theForm.submit();
}
}
//]]>
</
script
>
<
script
src
=
"/WebResource.axd?d=pynGkmcFUV13He1Qd6_TZET-9_WfhWfl_XSuxoR-zJfEfiMeDl8e9dCAvy19aYDj4W7rFHhZMkA7EuwSPbjGhw2&t=635053916887951880"
type
=
"text/javascript"
></
script
>
<
script
src
=
"/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=RadScriptManager1_TSM&compress=1&_TSM_CombinedScripts_=%3b%3bSystem.Web.Extensions%2c+Version%3d4.0.0.0%2c+Culture%3dneutral%2c+PublicKeyToken%3d31bf3856ad364e35%3aen-US%3abd2cc352-ff4f-463d-bb67-37f24bb2febd%3aea597d4b%3ab25378d2%3bTelerik.Web.UI%2c+Version%3d2013.3.1015.45%2c+Culture%3dneutral%2c+PublicKeyToken%3d121fae78165ba3d4%3aen-US%3a7a1d9c2d-6cf2-464f-9ad3-e479c730ac61%3a16e4e7cd%3af7645509%3a2003d0b8%3a24ee1bba%3af46195d3%3a1e771326%3a88144a7a%3aaa288e2d"
type
=
"text/javascript"
></
script
>
<
script
type
=
"text/javascript"
>
//
<![CDATA[
if (typeof(Sys) === 'undefined') throw new Error('ASP.NET Ajax client-side framework failed to load.');
//]]>
</
script
>
<
div
>
<
script
type
=
"text/javascript"
>
//
<![CDATA[
Sys.WebForms.PageRequestManager._initialize('RadScriptManager1', 'form1', [], [], [], 90, '');
//]]>
</
script
>
<
br
/>
<
div
id
=
"RadComboBox1"
class
=
"RadComboBox RadComboBox_Default"
style
=
"width:160px;"
>
<!-- 2013.3.1015.45 -->
<
table
summary
=
"combobox"
style
=
"border-width:0;border-collapse:collapse;width:100%"
>
<
tr
class
=
"rcbReadOnly"
>
<
td
class
=
"rcbInputCell rcbInputCellLeft"
style
=
"width:100%;"
><
input
name
=
"RadComboBox1"
type
=
"text"
class
=
"rcbInput radPreventDecorate"
id
=
"RadComboBox1_Input"
value
=
""
readonly
=
"readonly"
/></
td
><
td
class
=
"rcbArrowCell rcbArrowCellRight"
><
a
id
=
"RadComboBox1_Arrow"
style
=
"overflow: hidden;display: block;position: relative;outline: none;"
>select</
a
></
td
>
</
tr
>
</
table
><
div
class
=
"rcbSlide"
style
=
"z-index:6000;"
><
div
id
=
"RadComboBox1_DropDown"
class
=
"RadComboBoxDropDown RadComboBoxDropDown_Default "
style
=
"display:none;"
><
div
class
=
"rcbScroll rcbWidth"
style
=
"width:100%;"
></
div
></
div
></
div
><
input
id
=
"RadComboBox1_ClientState"
name
=
"RadComboBox1_ClientState"
type
=
"hidden"
/>
</
div
>
<
br
/>
</
div
>
<
script
type
=
"text/javascript"
>
//
<![CDATA[
WebForm_InitCallback();Sys.Application.add_init(function() {
$create(Telerik.Web.UI.RadComboBox, {"_dropDownWidth":0,"_height":0,"_skin":"Default","_uniqueId":"RadComboBox1","clientStateFieldID":"RadComboBox1_ClientState","collapseAnimation":"{\"duration\":450}","expandAnimation":"{\"duration\":450}","itemData":[],"localization":"{\"AllItemsCheckedString\":\"All items checked\",\"ItemsCheckedString\":\"items checked\",\"CheckAllString\":\"Check All\"}"}, null, null, $get("RadComboBox1"));
});
//]]>
</
script
>
</
form
>
</
body
>
<
script
type
=
"text/javascript"
>window.__vwd_mapping_data={"map":[{"sourceFile":"~/WebForm1.aspx"}]};</
script
>
<!-- Visual Studio Browser Link -->
<
script
type
=
"text/javascript"
src
=
"/__vwd/js/artery"
></
script
>
<!-- End Browser Link -->
</
html
>
What am I missing?