Imports Microsoft.VisualBasic
Imports System.IO
Imports System.Data

Public Class BaseClass
Public Function getDataFMText(ByVal strFileFullPath As String) As ArrayList
Dim intFileRowNo As Integer = 0
Dim lstFileList As New ArrayList()

Try
Using srFileTxt As StreamReader = New StreamReader(strFileFullPath)
Dim strline As String
Do
strline = srFileTxt.ReadLine()
lstFileList.Add(strline)
intFileRowNo = intFileRowNo + 1
Loop Until strline Is Nothing
srFileTxt.Close()
End Using
Catch exException As Exception

End Try
Return lstFileList
End Function

Public Function getDataFMCsv(ByVal strFile As String,ByVal iCol As Long) As DataTable
Dim dt As DataTable = New DataTable()
Dim dr As DataRow
Dim fs As FileStream = New FileStream(strFile,FileMode.Open,FileAccess.Read)
Dim r As StreamReader = New StreamReader(fs,System.Text.Encoding.Default)
Dim output As String = ""
Dim arrData As String()

' init datatable columns
For i As Integer = 0 To iCol - 1
dt.Columns.Add(New DataColumn(i.ToString()))
Next

' read file r.BaseStream.Seek(0,SeekOrigin.Begin) While (r.Peek() > -1) output = r.ReadLine() arrData = output.Split("") If arrData.Length < iCol Then iCol = arrData.Length End If dr = dt.NewRow() For i As Integer = 0 To iCol - 1 dr(i) = arrData(i) Next dt.Rows.Add(dr) End While r.Close() Return dt End FunctionEnd Class