How to add csv file in a 2d array vb.net? - vb.net

Question

User, 1,2,3,4,5,6,7,8,9
Joe, 34,3,32,1,3
John, 32,2
Tom, 98,34,23
Dave, 56, 53, 32,1,22,6,5
I have this csv file that I would like to put in a 2d array.
Private Sub GetElement()
'Read the data from the cv file
Try
Dim fileIn As String = "mel.csv"
Dim fileRows(), fileFields() As String
Dim count As Integer = 0
textBox.Text = String.Empty
If File.Exists(fileIn) Then
Dim fileStream As StreamReader = File.OpenText(fileIn)
fileRows = fileStream.ReadToEnd().Split(Environment.NewLine)
For i As Integer = 0 To fileRows.Length - 1
fileFields = fileRows(i).Split(",")
If fileFields.Length >= 2 Then
For x As Integer = 0 To fileFields.Length - 1
If x = 0 Then
For e As Integer = 0 To fileFields.Length
ele.Add(fileFields(e))
listBox.Items.Add(ele(e))
Next
End If
Next
count = count + 1
End If
Next
Else
textBox.Text = fileIn & " not found."
End If
Catch ex As Exception
textBox1.Text = ex.Message
End Try
End Sub
I was able to receive the first line only and then I have added it to a list box. In the MainWindow class I have declared two list of string to store the column and rows.

Answer 1

try this....
Imports System.Data.OleDb
Public Class Form1
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Dim folder = "Path to your CSV folder (do not include the file name here)"
Dim CnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & folder & ";Extended Properties=""text;HDR=No;FMT=Delimited"";"
Dim dt As New DataTable
' change Test.csv to your csv file name here
Using Adp As New OleDbDataAdapter("select * from [Test.csv]", CnStr)
Try
Adp.Fill(dt)
Catch ex As Exception
End Try
End Using
DataGridView1.DataSource = dt
End Sub
End Class
this will import the CSV file then display it straight into a DataGridView control (list box has problem with columns)... hope that helps

Answer 2

Why don't you work with objects since you are working with an OO'programing language . It would be simple and more optimised if you created a new class . And then create a new object after reading each line . Dim u as new User(x,y,z...) And to organise your data, use a hashtable or a linkedlist (don't know if it's called like this for vb.net). Then you can fill in your listbox from objects that are in your hashtable or linkedlist.