Bad coding. First, there's no check if valid date has been passed. Second, why use macro substitution where it is not necessary?

ldStart = EVAL("{^"+STREXTRACT(FilterXML,"<StartDate>","</StartDate>")+"}")
IF EMPTY(ldStart)
   ... Invalid date has been passed
ENDIF

>Ok, I have a really bizarre error, not quite sure where to post this one, I decided to post it here as the error seems to be in VFP.
>
>I have a Web page, it is written in ASP.Net, it uses a VFP Com object via a VB.Net WebService that I have created. The Com Object receives parameters via XML as a string.
>
>So the error conditions ;
>
>1. ONLY occurs on IE8 & Safari, does not occur in IE9, Chrome or FireFox.
>2. Does not occur if you access page direct - only occurs if my page is hosted in an iFrame.
>
>Actual error ;
>
>

>Message: Sys.WebForms.PageRequestManagerServerErrorException: System.Web.Services.Protocols.SoapException: 
>Server was unable to process request. ---> System.Runtime.InteropServices.COMException (0x80004004): 
>.getratesxml c:\[Redacted]\erol4.prg Error in line 79 Command contains unrecognized phrase/keyword. 36
>

>
>The actual lines of code are ;
>

>  FUNCTION GetRatesXML(SiteName AS STRING, FilterXML AS STRING) AS STRING
>
>78.    ldStart="{^"+STREXTRACT(FilterXML,"<StartDate>","</StartDate>")+"}"
>79.    ldStart=&ldStart
>
>

>
>So that would imply that the XML received is invalid, but how can it differ from browser to browser? or direct page to iFrame, makes no sense!
>
>Anyone have any ideas?
>
>Gary.