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UI for ASP.NET AJAX Forum
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This sticky thread lists known issues and breaking changes introduced in the UI for ASP.NET AJAX releases.


Q3 2011 (Version number: 2011.3.1115)

Problem: When adding items to OData enabled controls (RadMenu, RadTreeView, RadListBox, RadComboBox) through design time erroneous markup is applied to the control:

<telerik:RadListBox runat="server" ID="RadListBox1">
        <Items>
        </Items>
        <WebServiceSettings>
            <ODataSettings InitialContainerName="">
            </ODataSettings>
        </WebServiceSettings>
    </telerik:RadListBox>

Please note the added ODataSettings section. It will cause JavaScript errors on the page.

Solution: Remove the ODataSetting section and the issue will vanish. The problem is also fixed in the Q3 SP1 release, version number 2011.3.1305
Rumen
Telerik team
 updated answer on 23 Mar 2023
1 answer
328 views

When I run my project I'm getting this error

Could not load file or assembly 'Telerik.Web.UI' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

In my web.config I checked that the version in the web.config is the same as the version I'm using in references

<assemblyIdentity name="Telerik.Web.UI" publicKeyToken="121fae78165ba3d4" culture="neutral" />
        <bindingRedirect oldVersion="0.0.0.0-2020.2.617.45" newVersion="2020.2.617.45" />

 

Vessy
Telerik team
 answered on 22 Oct 2021
0 answers
2 views

RadEditor is closing the source element that is nested inside the video element . For example, in the attached screen shots show the “source” element which we add it to Rich text field. After we save the Rich Text field and open it again, we see the source element is closed. Is there a configuration setting that would allow us to bypass the closure of the source element?

 

Mike
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 asked on 30 May 2023
0 answers
3 views

Hi,

I'm getting the following exception multiple time throughout the application in error log. It's very difficult to identify the exact reason for exception occurrence as the application is vast to debug in depth. Also, I'm using Telerik Control as well as Telerik Reporting in multiple place in the application. The version of Telerik.Web.UI which I am currently using is 2023.1.323.45

EXCEPTION URL :

https://adba.roc-p.com:443/Telerik.Web.UI.WebResource.axd?type=rau

EXCEPTION MESSAGE :

System.ArgumentException: Illegal characters in path.     at System.IO.Path.CheckInvalidPathChars(String path, Boolean checkAdditional)     at System.IO.Path.GetExtension(String path)     at Telerik.Web.UI.AsyncUploadHandler.ProcessUploadedFile()     at Telerik.Web.UI.HandlerRouter.ProcessHandler(String handlerKey, HttpContext context)     at Telerik.Web.UI.WebResource.ProcessRequest(HttpContext context)     at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()     at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)     at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

Can anyone please provide all the possible reason behind this exception along with its step to resolve. Any help will be highly appreciated!

NOTE :

I have already visited multiple forum in which it is mentioned that this issue occurs in the previous version of the Telerik.Web.UI. Please confirm whether the exception mentioned above still exist in the version of Telerik.Web.UI which I am currently using i.e. 2023.1.323.45. And If not then please provide the possible reason that we need to verify on our end.

Akshat
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 asked on 30 May 2023
2 answers
123 views
Hi,
I'm trying to use RadProgressArea to monitor custom progress.Everything works good, but the last part of my method is to return file to a user for a download. I do this through writing stream to a response and ending it with Response.End(). Something like this: 

RadProgressContext progress = RadProgressContext.Current;
        progress.SecondaryValue = 1;
        progress.SecondaryPercent = 1;
        progress.SecondaryTotal = 100;
 
        System.Threading.Thread.Sleep(3000);
        progress.SecondaryValue = 50;
        progress.SecondaryPercent = 50;
        System.Threading.Thread.Sleep(3000);

        //testing response
        byte[] b = File.ReadAllBytes("c:\\image1.jpg");
        Context.Response.ContentType = "image/jpg";
        Response.AddHeader("content-disposition", "attachment; filename=image.jpg");
        Response.BinaryWrite(b);
        Response.End();


It works great except RadProgressArea is not hidden after method is complete. I guess this happens because of the abruption of the response stream, because it hides if I do not have last 5 lines of code.
Is there any workaround of this issue?

Thanks. 
Rumen
Telerik team
 updated answer on 30 May 2023
3 answers
86 views
I have a RadGrid(with Paging) in an updatepanel, and as a result the paging no longer works.
If I do the updatepanel away the paging works, unfortunatly this breaks the page layout.
Any ideas how to get a radgrids paging to work in an updatepanel.
Ryan
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Iron
 answered on 26 May 2023
1 answer
8 views

I need to import a spreadsheet into a dataset. The spreadsheets have rows and columns of data, but some of the columns are totaled at the bottom. I think this is giving me error when trying to use the DataTableFormatProvider.Export.

So I want to open the file and read the cells row by row. Are there any examples on how to open a spreadsheet and walk through it row by row?

Yoan
Telerik team
 answered on 26 May 2023
1 answer
8 views

I'd like to use the tab strip as a filter for a RadGrid below it -- meaning, I won't be using a multipage view but rather every tab will have the same content, just the filter for the radgrid will change based on which tab is selected.

I am using a hierarchical tab scenario, so the primary tabs (pid's are null, therefore root) are usernames, and the underlying ones are prior years of tickets they had. This all works perfectly -- top tabs are their names, and when they click on them, the "current year" of tickets as well as any tickets that are still open are shown (even if they're from prior years). If they want to look at past years, they'd just click on the tab that represents that year number. Each click event fires off a re-bind for the RadGrid below.

All works fine, except for this one problem - once a tab is active, if a user clicks that same tab again, I don't get another click event firing. I'd like to use this re-click as a "refresh" event (meaning the datagrid would re-query the underlying datasource to get up to the minute results).

In the attached picture, if a user selects the first tab (ChCurrier), then selects 2022 to look at last year's tickets, there is no way for him to then re-select the current year's tickets by clicking on ChCurrier again - the click event won't fire because it's already active/selected.

 

 
Richard
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Iron
 answered on 25 May 2023
1 answer
10 views

I haven't used Telerik for some time and I'm trying to add a RadCheckBox whose datasource is an integer value in a column of a datarow. In the web page I've got this :

<telerik:RadCheckBox ID="chkProrataEnabled" runat="server" text="" TabIndex="7" Value='<%# DataBinder.Eval(Container, "DataItem.Prorata_Enabled") %>' autopostback="false" OnCheckedChanged="chkProrataEnabled_CheckedChanged">
</telerik:RadCheckBox>

but the check box is not being populated so I'm thinking some form of conversion from int to bool is required but not sure how to go about this. I was thinking I could change the DataBinder.Eval to check the integer value and return a true/false bool ?

 

CP
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Rank 1
Iron
 answered on 25 May 2023
1 answer
10 views

The thing about the below error is that I have working controls on the page I'm using, it's just this one control that's missing. Why is that? Is my version too old and this isn't available in that version? The Telerik.Web.UI version is 2014.1.416.35, and yes, I know it's old, but it's what I've got. 

Help?

Parser Error

Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: Unknown server tag 'telerik:RadDateRangePicker'.

Source Error:
Line 1162:                                            <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
Line 1163:
Line 1164:                                            <telerik:RadDateRangePicker runat="server" ID="RadDateRangePicker1">
Line 1165:                                                <calendar rangeselectionmode="ConsecutiveClicks" multiviewcolumns="2" multiviewrows="1">
Line 1166:                                                </calendar>

 

Rumen
Telerik team
 answered on 25 May 2023
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