Save A 2-dimensional Array As A Csv File?
Aug 30, 2009
I am using visual studio 8. vb.net.I have an array, array1(100,8) and I want to save it as a csv file so that I can open it in excel and examine the contents more closely. The feature, of saving as a csv file, is not going to form an integral part of the finished vb app, I just need something quick and dirty because the data in the array just requires looking at in excel so that I can fully understand its significance and thus continue coding my app.
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Nov 7, 2009
saving and loading to a file. I am using Visual Studio Express 2008.
I have an array as follows:
Dim m(100,100) As node
Public Structure node
Public i As Integer
[Code]...
and I'd like to save to a file the m array.
I am not particularly bothered about data security and looked at xml serialization but cannot get this to work to save the m array.
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Feb 24, 2012
[Code]...
HumanName (the variable, not the setting) in this code is a 1-Dimensional string array. HumanLevel is a 1-dimensional integer array. There is no error in this code, but for some reason despite the fact that the integer array actually saves to settings exactly as it is supposed to, the string array causes the program to crash.
[Code]...
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Feb 17, 2010
I have a string containing many lines. Each line has many values separated by commas. Basically it's in CSV format. The number of lines is variable but the number of columns is always 7.
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))
Dim VaryArray2(0 To VarArray1.Length - 1, 0 To 6) As String
Is there a quick way to get the contents of VarArray1 into VarArray2. I know I can do the following.
For Counter = 0 to VarArray1.Length - 1
Dim line as string = VarArray1(Counter)
Dim Values() as string = Split(line, ",")
For Counter2 = 0 to 6
VarArray2(Counter,Counter2) = Values(Counter2)
Next Counter2
Next Counter
But is there a quicker way to do it that doesn't require passing through each element of VarArray1 and then passing through each element of Values.
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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Oct 18, 2011
i would like to read a csv file and import this to another array that i am using for further calculations in other modules. i foresee something like below but am not sure how to make it work.
[Code]...
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Jun 9, 2010
Situation: I have a .csv file containing numerical values. I'd like to read the file and write the values to a 2-D array of the same form. Problem: I get all the rows of the .csv file written to a 1-D array. Looking at the code, I thinking I have the indexing for column and row positions incrementing properly but (besides experience in C#) I don't know what I'm missing. Below is the code accomplishing this.
[Code]...
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Sep 11, 2009
How to save a 2-dimensional array to Excel file. The result would be two columns in one Excel sheet.
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Feb 26, 2012
I have 9 1-dimensional arrays of bytes and 1 of them is empty, I want to make the empty one equal to the others put together like you would a string:
Dim bla As String = "bla" & "bla" & "bla"
'now bla = "blablabla"
but instead:
[Code]......
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Nov 13, 2010
VS 2010 Converting Text file of any size into a 2 dimensional array
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Nov 22, 2010
I am trying to input a text file of figures into a 2-dimensional array. I want to do this so I will then perform percent changes on the respective columns. The text file contains columns and then numerous rows for each columns each number is separated with a tab. The text file looks something like this.
2.2 5.5
3.7 6.3
9.2 9.1
So I need to be able to input the text file, turn it into an array and then find the total percent change. From 2.2-3.7-9.2
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Dec 12, 2009
I am trying to turn data in a text file seperated by spaces into a 2D array.
It is for a math game. The data is statistics based on the performance of the user. One line looks like this "John Doe 0 0 1 3 0 6 0 22"
I need to put the line into an array and then be able to search by name to display the results. I keep getting extra spaces in the input of the array so the data isnt where it should be. It seems that the first entry works correctly, but appended lines do not enter correctly.
Sub ResultsToFile()
Dim FILE_NAME As String = "C:\Student_Results.txt"
Dim RecordString As String = NameForm.PlayerFirstName & " " &
[Code].....
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Jun 23, 2011
I'm trying to read lines from a file and split them into two words contained in a two dimensional array. The file looks something like this:
dog cat
red blue
orange green
night day
[code]....
'When I run it, it highlights the following line and says Object reference not set to an instance of an object
pos(i, 0) = value(0)
pos(i, 1) = value(1)
i = i + 1
Loop
[code]....
why I'm getting this error?
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Nov 27, 2009
Can I save an array into my .bin file then read the array again just like a string or Integer??
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Feb 9, 2010
I am having a problem understanding the following error message:
Value of type 1-dimensional array of string cannont be converted to 2-dimensional array of string because the array types have different numbers of dimensions This line seems to be causing the error:
New String((13) - 1) {}
I did a Google search on this but didnt come up with anything useful. I didnt even change the code.I just found this example online and copied/pasted it into a project that Im working on.
All code is listed below!
Calendar.aspx.vb
Imports System
Imports System.Data
[Code].....
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Aug 25, 2010
I need to append STRINg to Array and cast it 1-dimensionalArray
Dim remoteFileNames(0)
As
String
[Code]....
Here "FtpRemoteDirectory" is a string and ftpFileNames() is the Array String which list the FileNames.
and remoteFileNames is 1-dimension array
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Jun 9, 2011
I developing a roster application (asp.net with VB + sql server) to let user input shift duty record, proposed screen as follows:for the database design, each staff will have one record per day.[code]I want to create a multi dimensional array to bind the gridview.Is that correct that I create a arraylist (for 7 days) and then a subarray for each day? How can I create a 7 dimensional array & sub array under this 7-D array in asp.net + VB ?
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Aug 1, 2011
I have a two dimensional array as string and I what to save it to a file, what should I do?
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Feb 24, 2012
I have a string array that is populated with thousands of entries. I am wanting the quickest way to save this data to disk and to also load it back up.
Currently I am looping through the array and appending this data to a string and then saving this string. This takes a long time.
What is the fastest/most efficient way to do this?
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Jan 23, 2009
How to redim a two dimenational array in VB.NET, when it reached it's upper limit,.Also want to preserve the data.
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Jan 22, 2011
I am writing a program in VB10 and the programs purpose is to read an encrypted text file and decrypt it into a textbox onscreen. You can then save the text.The problem is that it keeps saving text in files like this:
H
e
l
l
o
I cant figure it out. Here is my save array code:
First the savefiledialog
Sub SaveFileDialog()
Dim strFileName
[code]....
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Apr 16, 2012
I need to save array into excel file. I'm using code taken from [URL]
Dim oExcel As Object
Dim oBook As Object
Dim oSheet As Object
[Code]....
But i want to let users to choose folder and filename themselves instead of determining location and filename like in those code above oBook.SaveAs(sSampleFolder & "Book2.xls") I wonder if i can use SaveFileDialog but i dont know how to do it. Or is there any other way to do this?
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Sep 19, 2010
My homework task is to add data to an array of records and then save this to a file.
I'm having problem saving to a text file. I have the following code:
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
Dim SW As New StreamWriter("Records.dat", False)
[Code].....
In my test example here I realise that the reason I have 4 lines written is because I have 4 elements to the array, but why am I getting this gobbledegook instead of records with a name and age?
I know I have added the data correctly to the structure because I can redisplay it elsewhere on my form. I just don't get how to save data in a structure to a text file.
My task requires use of an array and/or array of records, a text file
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May 10, 2012
I've been working on a VB project where I use a 1st drop down list to select a movie category and then in the 2nd drop menu, movies from that category will be displayed. The movies are stored in a 2-dimensional array by category. I've been able to edit my array but I'm having problems with my .AddRange() function. What would I have to put in those parentheses for the list (for each category) to appear in my 2nd combobox when the category is selected?
[code]...
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Aug 11, 2011
Ive got a jagged multi dimensional array, how to work out the length of a single row of the array so;
My array is ;
CODE:
And i wish how to find the length of this;
CODE:
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Apr 1, 2010
I declare 2-dimensional array at class level
Dim delItems(9, 9) As String
The array elements are then each set to "EMPTY". I create a new form in memory
Dim frm As New Form
I create a new DataGridView add columns to it and add it to the new form
Dim d As New DataGridView
frm.Controls.Add(d)
Now the problem.....this code give error when try to load contents of 2-D array into DGV:
For i As Integer = 0 To 9
d.Rows.Add()
For j As Integer = 0 To 9
d.Item(i, j).Value = delItems(i, j).ToString
Next
Next
Error is ArgumentOutOfRangeException (Index was out of range...)
When I check value of loop control variables, i = 0 and j = 1
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Feb 23, 2010
For my programm I am supposed to store the minimum points in a five-element, one dimensional integer array name points. And I need to store the grades in a five-element, one dimensional string array named grades. These arrays should be parallel arrays. I am supposed to code the display grades button click event procedure so that it declares both arrays. It also should search the points array for the number of points entered by the user, and then display the corresponding grade from the grades array.
Here is my code:
Option Explicit On
Option Strict On
Option Infer Off
Public Class Grades
Private Sub exitButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles exitButton.Click
[Code] .....
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Dec 14, 2010
I want to convert a stringbuilder to a matrix.[code]...
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Feb 26, 2010
I have an application in VBA that gives to my VB.Net dll one bi-dimensional variant. It is a an array, in which every component is a another array containing two positions.
I want to get this two-position array. When I am using VBA I can access directly the data from each position by doing:dataArray(index, 0) or dataArray(index, 1)And when I want to get the two-position array I can use:
Dim posArray as variant
posArray = dataArray(index)
[Code]...
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Jun 22, 2010
I have a VC++ DLL, which returns the sum of two long double values, passed as one dimensional array?l the right syntax to pass array to this dll from vb.net
currently, my code snippet is as follows: DllClass.vb
Imports System
Imports System.Collections.Generic
[code].....
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Nov 12, 2011
Here are the facts: Consider the following program. Sub Main()
[Code]....
Compiling the program in Visual Basic Express produces no errors. However, if the program is imported into the Excel Developer environment; I get the following error: Expected: end of statement with the equal sign highlighted. A side comment: About eight years ago, I wrote a Visual Basic simulation program to study financial trends. I found that version of Visual Basic user frendly! I find the 2010 version very difficult for doing simular projects.
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