Opening an Excel File in VB.NET WinForms App

Ok, that's pretty good, but I should have mentioned that I have a csv file to open. I thought that if the .csv extension was present, that Excel would take care of the rest. Unfortunately it doesn't. Is there a way around this. I already changed the delimeter from "\t" to "," but it didn't help.

Here is the code I have used:

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Dim ExcelObj As Excel.Application
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

        ''''''''''''''''''''''''''''''
        ''open excel
        ''''''''''''''''''''''''''''''
        ExcelObj = New Excel.Application()

        Dim theWorkbook As Excel.Workbook
        theWorkbook = ExcelObj.Workbooks.Open(_path & "\SSresult.csv", 0, False, 5, "", "", True, Excel.XlPlatform.xlWindows,"," , False, False, 0, True)
        ExcelObj.Visible = True

    End Sub

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Any ideas?

U can convert the file from .csv to .xls this way.

 Public Function ConvertCSVToXLS(ByVal strCSVFile As String, ByVal strXLSFile As String)
  Dim oExcel As Excel.Application
  Set oExcel = New Excel.Application
 
  Dim oBook As Workbook
  Set oBook = oExcel.Workbooks.Open(strCSVFile)
    oBook.SaveAs strXLSFile, xlExcel9795
  Set oBook = Nothing
 
  oExcel.Quit
  Set oExcel = Nothing
End Function

You can open CSV file by this method as well
https://www.experts-exchange.com/questions/20936016/Read-CSV-file-to-array.html

Thanks 123....