WFA_psychometric_chart.Form_handler.DeleteAllTableData C# (CSharp) Method

        public void DeleteAllTableData(string tableName)
        {
            string databasePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
            string databaseFile = databasePath + @"\db_psychrometric_project.s3db";
            string connString = @"Data Source=" + databaseFile + ";Version=3;";

            using (SQLiteConnection connection = new SQLiteConnection(connString))
            {
                connection.Open();
                //SQLiteDataReader reader = null;
                string queryString = "DELETE   FROM  "+tableName;

                SQLiteCommand command = new SQLiteCommand(queryString, connection);
                //  command.Parameters.AddWithValue("@id_value", id);
                //SqlDataAdapter dataAdapter = new SqlDataAdapter(queryString, connection.ConnectionString); //connection.ConnectionString is the connection string
                command.ExecuteNonQuery();

            }//close of using..
        }