For Any Use & On Any Platform
Contextual Guidance at the moment of need helps your employees/users adopt software o& achieve even the most complex tasks instantly. Boost knowledge retention, software adoption & employee engagement with easy solution.
Course Of The Month
6 days, 9 hours left to enrollBecome a Premium Member and unlock a new, free course in leading technologies each month.
Solved
Invalid length for a Base-64 char array
Posted on 2006-06-30
Hello,
I'm getting the following error back from a central error handling routine in the global.asax:
Exception Message: Invalid length for a Base-64 char array.
Exception Source: mscorlib
Exception StackTrace: at System.Convert.FromBase64S
at System.Web.UI.LosFormatter
at System.Web.UI.Page.LoadPag
Exception TargetSite: Byte[] FromBase64String(System.St
I've seen other postings for this exception, but none have been helpful. It seems to be related to viewstate, but in this case, the stack trace doesn't event tell me the source page, so I don't know where to begin troubleshooting this.
I'm getting the following error back from a central error handling routine in the global.asax:
Exception Message: Invalid length for a Base-64 char array.
Exception Source: mscorlib
Exception StackTrace: at System.Convert.FromBase64S
at System.Web.UI.LosFormatter
at System.Web.UI.Page.LoadPag
Exception TargetSite: Byte[] FromBase64String(System.St
I've seen other postings for this exception, but none have been helpful. It seems to be related to viewstate, but in this case, the stack trace doesn't event tell me the source page, so I don't know where to begin troubleshooting this.
[X]
Welcome to Experts Exchange
Add your voice to the tech community where 5M+ people just like you are talking about what matters.
- Help others & share knowledge
- Earn cash & points
- Learn & ask questions
3-
2
5 Comments
apresto,
The base64 string is created by an query string encryption(DES) routine. Some further research revealed that the DES encryption method places "+" characters in the encrypted data and these get parsed as empty strings when the string is decrypted. I changed the decryption method to replace any empty strings with "+", but we're still getting the errors.
What's so maddening is the stack trace isn't telling me what page or process the error occured in.
The base64 string is created by an query string encryption(DES) routine. Some further research revealed that the DES encryption method places "+" characters in the encrypted data and these get parsed as empty strings when the string is decrypted. I changed the decryption method to replace any empty strings with "+", but we're still getting the errors.
What's so maddening is the stack trace isn't telling me what page or process the error occured in.
if you base64string has + or " ", get rid of them, If you havent done already you can use .Replace to do this:
MyBase64String.Replace("+"
MyBase64String.Replace("+"
Featured Post
Question has a verified solution.
If you are experiencing a similar issue, please ask a related question
In .NET 2.0, Microsoft introduced the Web Site. This was the default way to create a web Project in Visual Studio 2005. In Visual Studio 2008, the Web Application has been restored as the default web Project in Visual Studio/.NET 3.x
The Web Si…
User art_snob (http://www.experts-exchange.com/M_6114203.html) encountered strange behavior of Android Web browser on his Mobile Web site. It took a while to find the true cause. It happens so, that the Android Web browser (at least up to OS ver. 2.…
In this video we outline the Physical Segments view of NetCrunch network monitor. By following this brief how-to video, you will be able to learn how NetCrunch visualizes your network, how granular is the information collected, as well as where to f…
If you’ve ever visited a web page and noticed a cool font that you really liked the look of, but couldn’t figure out which font it was so that you could use it for your own work, then this video is for you!
In this Micro Tutorial, you'll learn yo…
- Microsoft Applications
- Windows 10
- Windows OS
- Fonts Typography
- Windows 7, Microsoft Word
Suggested Courses
Course of the Month6 days, 9 hours left to enroll
724 members asked questions and received personalized solutions in the past 7 days.
Join the community of 500,000 technology professionals and ask your questions.