Sort A Multi-dimensional Array?

Jun 9, 2010

I was looking for a function I need in internet but I didn't find it... I need to sort a multidimensional array(matrix).. for example

Original matrix

1,b,3
2,c,5
3,a,1

I need a function, lets call it magic() xD with 2 arguments, the matrix and which col to sort first...so..the result of magic(originalmatrix,1) could be..

3,a,1
1,b,3
2,c,5

How can I make it ?

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May 6, 2011

my app reads 40000 lines of data fom a csv file into a two dimentional array of 30 items and i need to sort it by one of the items that is a date. is there a way to do this in Vb.

something like this

array1(40000,1) = name
array1(40000,2) = city
.
.
array1(40000,30) =date

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My array is ;

CODE:

And i wish how to find the length of this;

CODE:

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My array is declared by

Dim vArray As Object
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It looks like[code].....

Both dimensions are strings. Obviously the values of 1,1 and 1,2 must stay together.

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I need some advice to accomplish this, i have a datagridview with this data:

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item1 2
item1 5
item2 3
item3 1
item1 3

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Is it possable to remove a row from a multi-dimensional array?

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[Code]...

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Dim array(999, 7) As String
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[code]....

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I am attempting something along the line of below mentioned code. Though it works in single dimension array. How to make it work with 2-d array?

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I am having issues assinging values to a multi-dimensional array.

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Dim tblArry(,) As String = {}
If reader.HasRows Then
While reader.Read()

[Code].....

When I use a Jagged Array I can get this to work. The Reader portion is workig just fine, but the coding is just not clean for this problem.

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Mar 30, 2011

I think I need a two dimensional byte array I currently have something like this:

Dim MbyteData(196608) As Byte
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Dim oFile As System.IO.FileInfo
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[code]....

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Apr 20, 2009

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(6, 2, 3, 0, 6, 5)
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[Code]...

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Sub ResultsToFile()
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[Code].....

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Structure SpecialArrayList
Public Property1 as String
Public Property2 as String

[code]....

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I was planning on using very similar code to the following to export to excel quickly[url]...

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Dim productName As String()
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[CODE]...

How do you get the variable values to output like this?

<input type="text" value="Chang Beverages $19.00" id="Chang" /><br />
<input type="text" value="Ipoh Coffee Beverages $46.00" id="Ipoh Coffee" /><br />
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Feb 20, 2012

I have an SQL statement like:

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How do I create a multi-dimensional array from a datareader which should store values like:

John, Doe, LA
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Feb 17, 2010

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I can get each line into a one dimensional array using Split(Var, Chr(10)).

I'd like to make it a two dimensional array where the second dimension contains each comma separated value.

I've got

Dim VarArray1() As String = Split(VarText, Chr(10))
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For Counter = 0 to VarArray1.Length - 1
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For Counter2 = 0 to 6
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Next Counter2
Next Counter

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The eventual goal in all of this will be to find the highest value in the 3rd column (the arrays are strings at this point because not all columns are numeric). To do that once I get the values into VarArray2 I suspect I have to pass through each element VarArray2, i.e. VarArray2(Counter,2). Unless I can copy the whole third column into a SortedList?

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Jan 29, 2009

Sub Sort()
ReDim RollsCC(NumOfPlayers - 1)
For N As Integer = 0 To (NumOfPlayers - 1)[code]....

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RollsCC.Sort(RollsCC, 0, 1)

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Dim bla As String = "bla" & "bla" & "bla"
'now bla = "blablabla"
but instead:

[Code]......

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Feb 18, 2011

ok so im having issues with this

Select Case a(b, 3)
Case "d"
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[Code]....

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Jul 9, 2011

I have a very simple 2D array, it holds a list of song titles, their genre, and their runtime. frmMain loads the array from a text file and allows me to manipulate it and boil it down to a desired (implicitly sized) playlist. i want to THEN pass that playlist array to a second form, frmPlaylist The problem i'm running into....When frmPLaylist calls the Property from frmMain I receive an error that VB cannot convert the string value to a two dimensional array. Simplified...frmPlaylist is all locked and ready to receive a 2D array, but frmMain seems to only be sending a single string variable. on frmMain

Public ReadOnly Property PlaylistOut() As String
Get
Return mstrTimedPlaylist(,)

[code].....

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Code:

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