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SQL Error Handling

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Is it possible to perform some type of error handling with SQL? I currently use a function that writes a line to SQL but if the server is down or even worse the server is up but not working correctly, how can I prevent the script from just completely bombing out. I primarily use the SQL for logging and if that fails the rest of the script still needs to run. Here is a sample of the function I am using...

Func logtosql($exittext)
    $DBCon = ObjCreate ("ADODB.Connection")
    $DBCon.Open ("Provider=SQLOLEDB;Data Source=SERVER;Initial Catalog=DBNAME;User Id=USERNAME;Password=PASSWORD")
    $DBCon.Execute ("INSERT INTO unlockexitlog (remotemachine,datetimestamp,exittext) Values ('"&$remotePC&"','"&@MON&"/"&@MDAY&"/"&@YEAR&" "&@HOUR&":"&@MIN&":"&@SEC&"','"&$exittext&"')")

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Thank you, I found what you are talking about and plan to look though the examples and see what I can come up with.

$oMyError = ObjEvent("AutoIt.Error","MyErrFunc") ; Install a custom error handler 

; Performing a deliberate failure here (object does not exist)
$oIE = ObjCreate("InternetExplorer.Application")
$oIE.visible = 1
if @error then Msgbox(0,"","the previous line got an error.")


; This is my custom error handler 
Func MyErrFunc() 
   Msgbox(0,"","We intercepted a COM Error !" & @CRLF & _
                "Number is: " & $HexNumber & @CRLF & _
                "Windescription is: " & $oMyError.windescription ) 

   SetError(1) ; something to check for when this function returns 

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