Tuesday, 13 March 2012

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,

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 '%PDF-1.2 

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If you got this error while retriving data , downloading etc in asp.net
..
Then keep your module or button or any control outside "UPDATE PANEL" <asp:updatepanel>
.because <asp:updatepanel> create new session of refreshing.Thats why it generate server received error

...
Happy Coding

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