Exception : System.NullReferenceException: Object reference not set to an instance of an object.
at Allotment.RegistrationLogistics.Decrypt(String cipherText) in D:\Vikas work\Prod\VikasWorking\Allotment\RegistrationLogistics.aspx.cs:line 247
at Allotment.RegistrationLogistics.Page_Load(Object sender, EventArgs e) in D:\Vikas work\Prod\VikasWorking\Allotment\RegistrationLogistics.aspx.cs:line 47