tailieunhanh - ColdFusion Developer’s Guide phần 8

Trình đơn View cho phép bạn kiểm soát xem hộp công cụ và bảng điều khiển cửa sổ xuất hiện. Ngoài ra, bạn có thể click vào tiêu đề của cửa sổ để undock nó và kéo nó vào một vùng khác của màn hình. Ví dụ, bạn có thể kéo cả ba tấm và dock chúng trong cùng một cửa sổ. | ADOBE COLDFUSION 8 822 ColdFusion Developer s Guide The View menu lets you control whether toolboxes and panel windows appear. Also you can click on a window s title to undock it and drag it to another area of the screen. For example you can drag all three panels and dock them in the same window. Report Builder lets you switch between them by clicking on the tabs at the top of the window. To re-dock a tool window or panel drag it to the side or corner until a rectangle appears and then release the mouse button. For more information see Common reporting tasks and techniques on page 823 and the online Help. Report definition guidelines To ensure a successful report you should plan the following before defining it in the ColdFusion Report Builder Report design issues Audience Why are you creating this report Who is the audience Data What data needs to be in the report Where does it come from Whether you use the Query Builder or pass a query to the report you should plan the data in advance. Grouping Are groups required If so ensure that the result set is returned in the correct order and you define a group based on the sort column. Calculated fields Are there fields that must be totalled or calculated For column totals use calculated fields. For calculated totals on individual rows use SQL. For more information see Common reporting tasks and techniques on page 823. Input parameters Does the report require variable input If so define an input parameter and pass values to the report at run time by using the cfreportparam tag. For more information see Common reporting tasks and techniques on page 823. Data retrieval strategy Query Builder and basic SQL Use this option when your report has standard selection criteria such as a WHERE clause with sorting and a fixed set of selection criteria and when you have to develop a report quickly. This method also lets you specify cfquery options such as caching. Query Builder and advanced query mode Use this option when you use a .