'Below we set the contents of the first two columns of the Array I have put spaces either side so as to make it easier to read. 'This will read in a name and put a new name into the first elelment of the arrayĪn Associative Array (or Dictionary) is an array that contains more than one column. 'This will display the first name in the lable object Use basic text files to store and retrieve dataĪ one dimentional array can be declared within the code or read in from an external file. Read data into Visual Basic from an XML file These include RECORDS, 1D ARRAYS, ASSOCIATIVE ARRAYS and HASH TABLES.Ī record can be stored in an XML file which can be accessed by VB. You will need to use data structure in your solution. Programming requirements for logic layer: There maybe a Access Database storing the data, or perhaps an XML file, but the user does not interact with them directly. In the simple Curtain Calculator above you can see that the interface is contained in the VB form using GUI objects. Note that databases are not to be used in the interface layer. Programming requirements for interface layer:ĭevelop a graphical user interface (GUI), for use in digital systems such as laptops, gaming consoles, mobile phones, tablets, robots.
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