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uncommon

3D array from excel

7 posts in this topic

I have look at the examples in the forms and in the help file however I still dont think I understand what is wrong with my script. I keep getting a "Subscript used with non-Array variable" error. Maybe I am delcaring the array wrong but I am not sure.

I am trying to get the excel sheets to populate into a 3D array.

#include <GUIConstantsEx.au3>
#include <GuiButton.au3>
#include <GuiTreeView.au3>
#include <WindowsConstants.au3>
#include <GuiTab.au3>
#include <array.au3>
#include <Excel.au3>
Global $next = 0
Opt("MustDeclareVars", 0)

;...

$oExcel = _ExcelBookOpen(@WorkingDir & "\Databaseproject.xls", 0)
dim $Databaseproject[10]
dim $array[100][100]
For $sheet = 1 to 10
_ExcelSheetActivate($oExcel, $sheet)
$array = _ExcelReadSheetToArray($oExcel, 1, 1, 100, 100)
$Databaseproject[$sheet] = $array[100][100]
Next
_ArrayDisplay($Databaseproject)
_ExcelBookClose($oExcel)

No problem can withstand the assault of sustained thinking.Voltaire

_Array2HTMLTable()_IEClassNameGetCollection()_IEquerySelectorAll()

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You're not using a 3D array for one thing, and for another, you never test to see if the _ExcelReadSheetToArray returns anything, or if it does return anything, whether there are 100 rows and columns. Also, does your spreadsheet really have 10 sheets in it?


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You're not using a 3D array for one thing, and for another, you never test to see if the _ExcelReadSheetToArray returns anything, or if it does return anything, whether there are 100 rows and columns. Also, does your spreadsheet really have 10 sheets in it?

If I am not using a 3D array then I must be declaring it wrong, could you give me an example of what it should look like?

I did test to see if I was getting an array from excel using _ArrayDisplay but I thought was was unnecessary for this post. As far as returning the 100 sheets, that's just over compensating if I need it later. I put ten sheets in there in case I would need it.


No problem can withstand the assault of sustained thinking.Voltaire

_Array2HTMLTable()_IEClassNameGetCollection()_IEquerySelectorAll()

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#4 ·  Posted (edited)

single d array: $array[1]

2d" $array[1][1]

3d: $array[1][1][1]

so you can setup like $array[sheet][x][y]

or, an array of arrays, using the excel read sheet to array function:

$array[sheet] = _ExcelReadSheetToArray() (so, this is a 1d array, comprised of 2d arrays)

Edited by jdelaney

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Easier to handle are 2D arrays. 3D arrays can become quite complex to work with.

Do you really need to process multiple sheets in one go? Or could you process sheet by sheet?


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Easier to handle are 2D arrays. 3D arrays can become quite complex to work with.

Do you really need to process multiple sheets in one go? Or could you process sheet by sheet?

Maybe you are right Water, I might be over doing this a bit. I must think on this, maybe there is a way I can flatten the data.

Universalist, an Array within array, I did not think that was possible but I will try that function out. Thanks for your comments.


No problem can withstand the assault of sustained thinking.Voltaire

_Array2HTMLTable()_IEClassNameGetCollection()_IEquerySelectorAll()

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uncommon,

This is a rough example of what jdelaney has advised...

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

local $myExcelFile = @scriptdir & '\budget.xls'
Local $oExcel = _ExcelBookOpen($myExcelFile,1)

switch @error
    case 1
        ConsoleWrite('Unable to create object' & @LF)
        exit
    case 2
        ConsoleWrite('File does not exist' & @LF)
        Exit
endswitch

local $sheet_list = _excelsheetlist($oExcel)                ; get list of sheets to array, count is at offset 0
local $aSheets[$sheet_list[0]]                              ; define array from sheet list

for $1 = 0 to ubound($aSheets) - 1
    _ExcelSheetActivate($oExcel, $sheet_list[$1])           ; activate each sheet
    $aSheets[$1] = _ExcelReadSheetToArray($oExcel)          ; read each sheet (2D array) to an element of $aSheets (1D array)
next

for $1 = 0 to ubound($aSheets) - 1
    _arraydisplay($asheets[$1])                             ; $aSheets[$1] contains a 2D array
    ConsoleWrite('Number of dimensions for sheet # ' & $1 & ' = ' & ubound($aSheets[$1],0) & @LF)
next

_ExcelBookClose($oExcel, 1)

kylomas


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