Private Sub dataGridView1_CellContentClick(ByVal sender As Object, ByVal e As DataGridViewCellEventArgs)
' find out which column was clicked
If DataGridView1.Columns(e.ColumnIndex) = Column1 Then
Dim strMessage As String = DataGridView1.Rows(e.RowIndex).Cells(2).Value.ToString()
MessageBox.Show(strMessage)
End If
End Sub