MySqlConnection con = new MySqlConnection(AppSetting.ConnectonString());
con.Open();
MySqlCommand cmd;
cmd = con.CreateCommand();
cmd.CommandText = "INSERT INTO table(count1) SELECT count1 FROM table WHERE id='" + Numero + "'";
long id = cmd.LastInsertedId;
MessageBox.Show(id.ToString());
cmd.ExecuteNonQuery();
con.Close();