We have occasionally facing this parsing error, we have a trial version of telerik "RadControls for ASPNET AJAX Q3 2008" and we did't use any response.write, response filters, httpmodules or server trace in whole project.
Is this error have any connection to trial version.
Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled.
Details: Error parsing near 'Telerik.Web.UI 2008.'.
If any patch or service pack is available than inform ASAP.
7 Answers, 1 is accepted
Does this issue happen when the trial message is displayed? We are aware of this problem but unfortunately we were not able to discover a suitable workaround for this unwanted issue. If this is the case, The problem should not surface with the dev version of the control.
Kind regards,
Sebastian
the Telerik team
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No, we mostly get this error without “license message” and how you sure that error message will not come on Dev. Version.
The dev version does not have this code for the copyright message and you should not be experiencing this problem with it.
Best wishes,
Ivo
the Telerik team
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are you sure that upon recieving the developer license, we'll not see the above error? I'm using 2009 Q3 ASP.NET AJAX suite and im facing that annoying error very often.
below is the error:
Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled.
Details: Error parsing near 'Telerik.Web.UI 2009.'.
If that error is due to licensing then it is ok, however I'll be waiting for your confirmation.
Regards,
The problem which you experience in its core is not directly related to RadControls but to general AJAX usage. Some properties/methods are not compatible with MS AJAX and thus a parser error is raised - you can read more about this below:
http://msdn.microsoft.com/en-us/library/bb386454.aspx
the Properties and Methods not Supported During Asynchronous Postbacks section.
This being said, the reason for the issue is that a call to some of those methods/properties is done in a scenario where it will work with plain postback but it will not be parsed if ajaxified.
It is possible that you have used those methods/properties in your custom code - you can search it for the listed ones in the article in your application. If you have not used them anywhere and you are using a trial version of RadControls, this is the reason for the parser error since the trial uses them to display warning messages and an upgrade to dev version will fix the problem.
Best wishes,
Svetlina
the Telerik team
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DearSvetlina,
Let mefirst thank you and Telerik for the great help and cooperation you keepoffering.
I usenone of the properties/methods mentioned within the MSDN article you sent. Thescenario I use is straight forward and consist of several simple asynchronous postbacks as well as page partial updates.Therefore and as per your clarifications in the above reply I will consider theproblem as a reason of using the ASP.NET AJAX trial version and that it willnot show upon obtaining the Dev license.
Thanksagain and wish you and Telerik a blissful and cheerful Christmas
Thank you very much for the good words and wishes!
Indeed, if you are not using the mentioned methods in your custom code, the reason for the problem is in the fact that you are using trial version and should be resolved when you upgrade to the dev version. In case you experience any other problems or you have additional questions, do not hesitate to contact us again, we will be glad to help!
Merry Christmas and all the best to you, too!
Greetings,
Svetlina
the Telerik team
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