演示一系列数据访问功能，十分适合初学者。（演示了：装载文本文件中的数据到数组、选择数组中的数据到自动完成的text box、简单的数组操作、将数组保存到文本文件、从Access数据库中装载数据、选择数据从自动完成的combo box里、将数组保存到Access数据库、Loading Data from an Access Database、Data Collection from text boxes in a User Form、Writing out of data into a document using BookMarks、Saving of settings to the registry、Saving of Data to an Access Database-demonstration series data access functionality that is well suited to beginners. (Demo : loading a text file of the data array, the array of choices data to automatically complete the text box, a simple array operations, it will preserve the array of text files, from the Access database loading data, data from the automatic choice to complete the combo box, the preservation of the array Access database Loading Data from an Access Database, Data Collection from text boxes in a User Form, Writing out of data into a document using BookMarks, Saving of settings to the registry, Saving of Data to an Access Database