System.FormatException: Invalid length for a Base-64 char array or string.
at System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength)
at System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength)
at System.Convert.FromBase64String(String s)
at ClsSW.Decde64url(String bas64) in c:\Inetpub\vhosts\abhimanu.com\abhipedia.abhimanu.com\App_Code\ClsSW.cs:line 617
at res_page.Page_Load(Object sender, EventArgs e) in c:\Inetpub\vhosts\abhimanu.com\abhipedia.abhimanu.com\res_page.aspx.cs:line 59