LoadingPanel problem

[John John]

Hi

I am getting following error during load time after added the loading panel into the grid.
"Microsoft JScript runtime error: 'Sys.WebForms.PageRequestManager' is null or not an object".

And interrups the running of the program..
ASPX code is:

 

 

 

 <telerik:RadAjaxManager ID="radAjaxManager" runat="server" ClientEvents-OnRequestStart="requestStart"
                OnAjaxSettingCreating="radAjaxManager_AjaxSettingCreating">
                <AjaxSettings>
                    <telerik:AjaxSetting AjaxControlID="RadGrid1">
                        <UpdatedControls>
                            <telerik:AjaxUpdatedControl ControlID="RadGrid1" LoadingPanelID="ajaxLoadingPanel" />
                        </UpdatedControls>
                    </telerik:AjaxSetting>
                </AjaxSettings>
                <ClientEvents OnRequestStart="requestStart" />
            </telerik:RadAjaxManager>
            <telerik:RadAjaxLoadingPanel ID="ajaxLoadingPanel" runat="server" Height="75px"
                Width="75px" HorizontalAlign="Left" BackgroundPosition="BottomLeft" Direction="LeftToRight">
                <div style="position: absolute; left: 500px; top: 200px">
                    <img alt="Loading..." src='<%= RadAjaxLoadingPanel.GetWebResourceUrl(Page, "Telerik.Web.UI.Skins.Default.Ajax.loading.gif") %>'
                        style="border: 0px;" />
                </div>
            </telerik:RadAjaxLoadingPanel>

I could not find out where i made mistake..so help me find out the issue
--Thanks

[Princy]

Hi,

I have checked your design and have found no issues with it.Could you post the OnRequestStart js function that you have created . It might be causing the issue 

Thanks,

Princy

[John John]

Hi Princy,
                Here it is my onRequestStart event for your reference,

function requestStart(sender, args) {

if (args.get_eventTarget().indexOf("btnExport") > 0)
args.set_enableAjax(false);
}

-Thanks

 

 

 

[John John]

Hi,

  I solved that issue by removing "EnablePartialRendering" property  from ScriptManager section.Now it is working fine.

 

Thanks for your cooperation

[John John]

Hi,
          Now i am getting another problem for implementing LoadingPanel. Early i removed  EnablePartialRendering="false"  from the ScriptManager section so that some of the forms LoadingPanel working fine without any error.

I intrduced the same scenario for my another new form. But now i am getting the following error 
"htmlfile: Unknown runtime error".

 So  what to do for some of my webforms loadingpanel working fine by removing  EnablePartialRendering="false",  but applying the same scenario some other form is getting the htmlfile: Unknown runtime error".

I am totally confusing about the above error, so what to do to implementing the LoadingPanel to my form. So give me suggession to do it.

-Thanks

[John John]

Any suggessions?

[John John]

Any suggessions?

[John John]

Dear Telerik,
                   what are the steps i need to take to avoid the "htmlfile: Unknown runtime error" issue. As this error caused every time when grid loading opeartion is done i am not able to bring Loading panel because of the error.

So help me to find the issue;

Regards,
John

[Bruno]

Hi

this is Bruno and I d try Google if I was you

http://stackoverflow.com/questions/441038/asp-net-updatepanel-error-htmlfile-unknown-runtime-error-updatepanelelement-inn

http://timwarddevelopment.blogspot.com/2009/02/obscure-ajax-error-htmlfile-unknown.html

http://forums.asp.net/t/1087252.aspx

Bruno