Server Error in '/' Application.

The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters.

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: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters.

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: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters. ]
   System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength) +11965815
   System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength) +130
   System.Convert.FromBase64String(String s) +42
   Change.Common.DEncrypt.QueryStringHelper.Decrypt(String encryptedString) in C:\Users\Administrator\Desktop\公司网站_2024_01_31_1\trunk\Common\DEncrypt\QueryStringHelper.cs:80
   Change.Common.DEncrypt.QueryStringHelper.DecryptQueryString(String queryString) in C:\Users\Administrator\Desktop\公司网站_2024_01_31_1\trunk\Common\DEncrypt\QueryStringHelper.cs:111
   Change_BS.Web.info.Page_Load(Object sender, EventArgs e) in C:\Users\Administrator\Desktop\公司网站_2024_01_31_1\trunk\Web\info.aspx.cs:50
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
   System.Web.UI.Control.OnLoad(EventArgs e) +95
   System.Web.UI.Control.LoadRecursive() +59
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +678


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.6.81.0