Upload and display File in Windows Form DataGridView with Delete option using C# and VB.Net

Here is what i made, need only to display the attached files somehow and option to delete attachment.

Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
     OpenFileDialog1.FileName = "Select File"
     OpenFileDialog1.DefaultExt = "*.*"
     OpenFileDialog1.FilterIndex = 6
     OpenFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop)
     OpenFileDialog1.Filter = "Word Documents|*.doc;*.docx;" +
          "|Excel Worksheets|*.xls;*.xlsx;" +
          "|PowerPoint Presentations|*.ppt;*.pptx;" +
          "|Archive Files|*.zip;*.rar;*.7z" +
          "|Images Files|*.jpeg;*.jpg;*.gif;*.png;" +
          "|All Files|*.*"
     OpenFileDialog1.Multiselect = True
     OpenFileDialog1.ShowDialog()
 End Sub
 
 Private Sub OpenFileDialog1_FileOk(sender As Object, e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk
     attachmentList = New List(Of Net.Mail.Attachment)
     If OpenFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then
         For Each item As String In OpenFileDialog1.FileNames
             'Create a new System.NET.Mail.Attachment class instance for each file.
             attachmentList.Add(New Net.Mail.Attachment(item))
         Next
         MsgBox("I have finished adding all of the selected files! You can do more if you want!")
     End If
 End Sub