Server Error in '/' Application.

Invalid length for a Base-64 char array.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: Invalid length for a Base-64 char array.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[FormatException: Invalid length for a Base-64 char array.]
   System.Convert.FromBase64String(String s) +0
   Common.Rijndael.Decrypt(String stringInputText, String stringKey) in D:\LibraryUniv\Web\Common\Rijndael.cs:102
   WebLibrary.Collections.Download.Page_Load(Object sender, EventArgs e) in D:\LibraryUniv\Web\WebLibrary\Download.aspx.cs:43
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +91
   System.Web.UI.Control.LoadRecursive() +74
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1031