System.InvalidCastException: Conversion from string "' code '" to type 'Integer' is not valid. ---> System.FormatException: Input string was not in a correct format.
   at Microsoft.VisualBasic.CompilerServices.Conversions.ParseDouble(String Value, NumberFormatInfo NumberFormat)
   at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value)
   --- End of inner exception stack trace ---
   at Microsoft.VisualBasic.CompilerServices.Conversions.ToInteger(String Value)
   at SymbolRenderer.ProcessRequest(HttpContext context) in C:\inetpub\wwwroot\beau-coup.com\symbolrenderer.ashx:line 29