private void Button3_Click(object sender, EventArgs e)
 {
     try
     {
         foreach (ListViewItem n in lvSnapshots.SelectedItems)
         {
             var x = (ItemHistorySnapshot)n.Tag;
             _rs.DeleteItemHistorySnapshot(Item.Path, x.HistoryID);
         }
         FillSnapshots();
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.ToString(), @"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
     }
 }
 public void DeleteItemHistorySnapshot(string ItemPath, string HistoryID)
 {
     rs.DeleteItemHistorySnapshot(ItemPath, HistoryID);
 }