private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
if (listView1.SelectedItems.Count == 0)
{
throw new Exception("select row first");
}
PiggyTable.delete(int.Parse(listView1.SelectedItems[0].Text));
UpdateList();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
