The Story so far System split into layers – maintainability & re-use Database – stored procedures, tables, rows, columns & parameters Range of objects allowing us to control different parts of the computer using their methods & properties Variables – RAM Controls – Interface DataConnection class – database Introduced a lot of coding concepts, assignment, sequence, selection, validation, functions, parameters to name a few

Overview of Driving Test 2

How do we Manipulate a List of Data?

Array Lists Our list of data… Fred Wilma Barney Betty The code…

The Count Property

Index Numbers Rather like house numbers BUT ---- Zero bound ValueIndex Fred0 Wilma1 Barney2 Betty3

RemoveAt Method ValueIndex Fred0 Wilma1 Barney2 Betty3 Which record will be removed?

Changing a List Entry What will the following do?

Data Tables We said all of that to introduce this… sproc_tblAddress_SelectAll SELECT * FROM tblAddress

Middle Layer Code How do we get at the results of the query?

Data Table Contents

The Address Page Class clsAddressPage AddressNo HouseNo Town Street PostCode CountyCode DateAdded Boolean Active

Copying Data From Data Table to Array

Encapsulation and Data Hiding Why do we do this? clsDataConnection Count AddParameter Execute

New to studying in a UK university week Sign up at: Monday 11 th November Tuesday 12 th November Wednesday 13 th November Thursday 14 th November Friday 15 th November New styles of Learning 10-11am How to get the most out of your lectures and seminars 12-1pm Avoiding Plagiarism workshop noon An introduction to resources to help you with your use of English Language 12-2pm Avoiding Plagiarism workshop pm How to cite and reference using Harvard 12-1pm Taking a critical approach to your work 1-2pm Polishing your assignment 5:30-6:30pm New styles of assessment 1-2pm