public void Delete(string key, string word)
{
var cn = new NpgsqlConnection(conn);
var category = data.ConvertCategory(key);
var nick = data.convertNick(key);
var query = "DELETE FROM tbl_" + category + " WHERE " + nick + "_id = " + word + "";
cn.Open();
NpgsqlCommand cmd = new NpgsqlCommand(query, cn);
cmd.ExecuteNonQuery();
cn.Close();
}
