Archives
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Uploading a file using FileUpload control fails in IE8
I had another interesting customer issue this week, where in uploading a file using the FileUpload control was failing only with IE8. As you would do with any client-side issue, I started by collecting Fiddler traces for both the working (IE7) and non-working (IE8) scenarios. Following were the observations:
· IE 7
Content-Disposition: form-data; name="targetFile"; filename="C:\Users\<username>\Desktop\test.txt"
· IE 8
Content-Disposition: form-data; name="targetFile"; filename="test.txt" -
In-Proc Session State Management
A session is defined as the period of time a unique user interacts with a particular web application.
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Getting the Sys.WebForms.PageRequestManagerParserErrorException while making an AJAX callback
Recently I encountered an issue wherein our customer was running into a client side AJAX exception, Sys.WebForms.PageRequestManagerParserErrorException, while trying to make an Async Postback from an ASPX page. This exception was happening for all the clients in a specific network and looked like this:
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“Parser Error Message: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.” when .net page has debug=”true”
Recently, I came across an issue where the customer faced an FIPS (Federal Information Processing Standards) related error on the .aspx pages which had debug=”true”. His ASP.net application was hosted on IIS7 running on Windows Server 2008 SP2. And, he was able to reproduce the issue using a very simple page. The error message was: