Why does writing "" using _IEBodyWriteHTML allows program to work?

[Chilli 0]

So basically, if I remove that statement, my program doesn't work. It is unable to find the form.

Any idea why?

 

Uh, I'll also post my code.

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#include <IE.au3>
#include <MsgBoxConstants.au3>
#include <Excel.au3>
#include <Array.au3>

Func MyErrFunc()
   seterror(1)
EndFunc
Local $readDir=InputBox("Chilli KREF Automation", "What is the path to the file", "C:\Users\Horace\Downloads\Simple.xlsx")
Local $writeDir=InputBox("Chilli KREF Automation", "What is the directory you want to write to?", "C:\Users\Public\Documents\")
Local $startEntry=InputBox("Chilli KREF Automation", "What entry would you like to start at?", "1")
Local $oExcel=_ExcelBookOpen($readDir)
Local $firstNameArray=_ExcelReadSheetToArray($oExcel, 2, 1, 0, 1)
Local $lastNameArray=_ExcelReadSheetToArray($oExcel, 2, 2, 0, 1)
Local $cityArray= _ExcelReadSheetToArray($oExcel, 2, 3, 0, 1)
Local $numberOfEntries=$firstNameArray[0][0]
_ExcelBookClose($oExcel)


Local $oIE = _IECreate("http://www.kref.state.ky.us/krefsearch/")

Local $oFrameLeft=_IEFrameGetCollection($oIE, 1)
Local $oFrameMain=_IEFrameGetCollection($oIE, 2)

for $i = $startEntry+1 to $numberOfEntries Step 1;
FileWrite("C:\Users\Public\Documents\temp\error.txt", $i&"#1 ")
   if(Mod($i, 50)==0) Then
      _IENavigate($oIE, "http://www.kref.state.ky.us/krefsearch/")
      $oFrameLeft=_IEFrameGetCollection($oIE, 1)
      $oFrameMain=_IEFrameGetCollection($oIE, 2)
   EndIf
   Local $otemp=-50
   _IELinkClickByText($oFrameLeft, "To Candidate(s)")
   _IEBodyWriteHTML($oFrameMain, "")
   if(@error) Then
      FileWrite("C:\Users\Public\Documents\temp\error.txt", $i&"error1")
      ContinueLoop
   EndIf

   $oFrameMain=_IEFrameGetCollection($oIE, 2)

   Local $oForm=_IEFormGetCollection($oFrameMain, 0)

   FileWrite("C:\Users\Public\Documents\temp\error.txt", $i&"#3 ")

   Local $lastName=$lastNameArray[$i][1]
   Local $firstName=$firstNameArray[$i][1]
   Local $city=$cityArray[$i][1]
   FileWrite("C:\Users\Public\Documents\temp\error.txt", $i&"#3.5 ")
   _IEFormElementSetValue($oLastName, $lastName)

   Local $oFirstName=_IEFormElementGetObjByName($oForm, "cFirstname")
   _IEFormElementSetValue($oFirstName, $firstName)
   Local $oCity=_IEFormElementGetObjByName($oForm, "City")
   _IEFormElementSetValue($oCity, $city)
   _IEFormSubmit($oForm)

   _IELinkClickByText($oFrameMain, "Click here to Generate Extract Files")
 
FileWrite("C:\Users\Public\Documents\temp\error.txt", $i&"#7 ")
   Local $oFile= _IELinkGetCollection($oFrameMain, 0)
   if(@error) Then
      ;FileWrite("C:\Users\Public\Documents\temp\error.txt", $i&"error2")
      ContinueLoop
   EndIf
   Local $url=$oFile.href
   if(StringInStr($url, ".TXT")) Then
      InetGet($url, $writeDir & "\" & $i-1 & ".txt")
   EndIf

   if(@error) Then
      FileWrite("C:\Users\Public\Documents\temp\error.txt", $i&"error3")
      ContinueLoop
   EndIf
Next

Edited February 13, 2014 by Chilli

[BrewManNH 1,119]

Is it possible that you're checking for an error in the wrong place? Instead of checking for an error from _IEBodyWriteHTML, are you probably trying to check the errors from _IELinkClickByText? If so, you need to move the error check up one line.

[Chilli 0]

Nah. The error checking code was something that I added later to try and fix another bug that's caused by the _IEBodyWriteHTML code.