vb.net - Specific sorting of a multidimensional array -

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i'm translating vba project vb.net. , have little issue sorting of datatable.

my table :

... | ... | firstname3 | name3 | pay3 | firstname1 | name1 | pay1 | firstname2 | name2 | pay2 |... ... | ... | firstname2 | name2 | pay2 | firstname3 | name3 | pay3 | firstname1 | name1 | pay1 |...

and on... export 56 columns needed datatable array , try sort horizontaly on name. did way in vba :

public sub sorttable(byref aggtab(,) object, byval columntosorton integer, byval lowervalue byte,                     byval uppervalue byte)      dim ref object = aggtab((lowervalue + uppervalue) \ 2, columntosorton)     dim reflowervalue byte = lowervalue     dim refuppervalue byte = uppervalue     dim temp object              while aggtab(reflowervalue, columntosorton) < ref             reflowervalue = reflowervalue + 1         loop         while ref < aggtab(refuppervalue, columntosorton)             refuppervalue = refuppervalue - 1         loop         if reflowervalue <= refuppervalue             = lbound(aggtab, 2) ubound(aggtab, 2)                 temp = aggtab(reflowervalue, i)                 aggtab(reflowervalue, i) = aggtab(refuppervalue, i)                 aggtab(refuppervalue, i) = temp             next             reflowervalue = reflowervalue + 1 : refuppervalue = refuppervalue - 1         end if     loop while reflowervalue <= refuppervalue      if reflowervalue < uppervalue call sorttable(aggtab, columntosorton, reflowervalue, uppervalue)     if lowervalue < refuppervalue call sorttable(aggtab, columntosorton, lowervalue, refuppervalue) end sub

but when convert code vb.net doesn't work properly. can explain me why? because in excel work perfectly.

take example;

    dim openwith new sorteddictionary(of string, string)      ' add elements dictionary. there no       ' duplicate keys, of values duplicates.     openwith.add("txt", "notepad.exe")     openwith.add("bmp", "paint.exe")     openwith.add("dib", "paint.exe")     openwith.add("rtf", "wordpad.exe")      each ext keyvaluepair(of string, string) in openwith         textbox1.appendtext(ext.key & " " & ext.value & vbcrlf)     next

this wil automaticly sort 'extension'.


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