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Exp2003 exl ppt_02-continued

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Exp2003 exl ppt_02-continued

  1. 1. Exploring Microsoft Excel 2003 Committed to Shaping the Next Generation of IT Experts. Chapter 2 – Gaining Proficiency: The Web and Business Applications Robert Grauer and Maryann Barber
  2. 2. Objectives <ul><li>Insert a hyperlink into an Excel worksheet </li></ul><ul><li>Save a worksheet as a Web page and then view the page in a Web browser </li></ul><ul><li>Import data from a web query into a workbook; refresh the query to obtain current information </li></ul><ul><li>Describe the Today() function and its use in date arithmetic </li></ul>
  3. 3. Excel and the Internet <ul><li>Insert a hyperlink into a worksheet </li></ul><ul><ul><li>Hyperlink: a reference to another document </li></ul></ul><ul><li>Save a workbook as a Web page </li></ul><ul><ul><li>A “web page” is another name for an HTML document </li></ul></ul><ul><li>Download information from the Web through a Web query </li></ul>
  4. 4. Excel and the Internet <ul><li>Take a few minutes and open up: </li></ul><ul><ul><li>Input file: Stock Portfolio </li></ul></ul><ul><ul><li>Output file: Stock Portfolio Solution </li></ul></ul>
  5. 5. A Web Page Page is viewed through a Web browser Clicking the hyperlink will take you to the designated Web site
  6. 6. Inserting a Hyperlink Select the cell that will contain the hyperlink If the cell is blank, type the hyperlink text in the Text to Display box Enter the Web address (URL) of the site you wish to open
  7. 7. The Save As Web Page Command Enter the name for your Web page By default, the Single File Web Page format is selected.
  8. 8. Excel and the Internet <ul><li>Insert after Total in A13 </li></ul><ul><ul><li>The last hyperlink </li></ul></ul><ul><ul><ul><li>www.prenhall.com/grauer </li></ul></ul></ul>
  9. 9. Some Internet Terms <ul><li>HTML (HyperText Markup Language): a standard language for creating Web pages </li></ul><ul><li>Round trip HTML: allows you to edit a web page in the application that created it </li></ul><ul><ul><li>An Excel document can be saved as a Web page, then edited in Excel. </li></ul></ul><ul><li>Single File Web Page: all elements of a Web page are saved as a single file. </li></ul>
  10. 10. New <ul><li>The Single File Web Page is new to Excel 2003. </li></ul><ul><li>Prior versions of Microsoft Office allowed you to save documents as Web pages, but stored the documents as an html file with folders containing the elements of the page. When you uploaded the Web pages to your Web server, you had to upload the folders with the elements or the page did not function properly. </li></ul><ul><li>This feature will make saving documents as Web pages much easier, but it will also give the Web developer less flexibility in editing the document after it has been posted . </li></ul>
  11. 11. Round-Trip HTML Edit with Microsoft Excel button lets you start Excel and edit the worksheet
  12. 12. Round-Trip HTML <ul><li>Clicking the Edit with Microsoft Excel button allows you to start Excel to edit the worksheet. You will then be back in Excel. Any changes must be saved. Students will not see the changes in their browser until they click the Refresh button, which will retrieve the most current version of the document from the server. </li></ul>
  13. 13. Selecting a Non-Contiguous Range Drag through cells to select destination range Hold the Ctrl key, then select additional cells
  14. 14. Non-Contiguous Range <ul><li>Users can use the Ctrl key to select non-contiguous cells. </li></ul><ul><li>This is a very handy feature when the worksheet is irregularly shaped or when you don’t want to copy a formula to an otherwise empty row. In this case, we did not want the formula in rows 10 or 13. </li></ul>
  15. 15. Conditional Formatting Use this dialog to set criteria, in this case <0 Select cells to apply conditional formatting Click Format button to open Format Cells dialog
  16. 16. Web Queries <ul><li>Allows Excel to retrieve information from the Web </li></ul><ul><ul><li>Requires an active Internet connection </li></ul></ul><ul><li>Created with the Import External Data command </li></ul><ul><li>Can be updated anytime with the Refresh command </li></ul>
  17. 17. Web Queries <ul><li>The Web query is most often associated with a database management system. </li></ul><ul><li>An Excel Web query is very similar, but instead of using SQL and a relational database, you use the Web as your database. </li></ul><ul><li>Excel allows you to specify the data source and the criteria that must be met. </li></ul><ul><li>As with a database query, the information displayed by the query can be updated without recreating the query. </li></ul>
  18. 18. Web Queries Results of the query are displayed here. Clicking a hyperlink takes you to that company’s Web site Stock ticker symbols of the companies in the portfolio Formulas in cells refer to the values in the Web query
  19. 19. Web Queries <ul><li>The criteria you specify must match the criteria in the Web data source. Otherwise, the query will not return the correct values. </li></ul><ul><li>When creating a new Web query, you may need to go to the Web site a few times to see how the data is listed. </li></ul>
  20. 20. Creating a Web Query Enter cells containing the criteria for your web query, in this case, A5:A10
  21. 21. Web Queries <ul><li>Queries are not automatically updated every time you open the worksheet. Instead, they will display the last saved values. To update, you need to use the Refresh command. This command will retrieve the latest data from the Web, using the criteria you have already provided. </li></ul>
  22. 22. Refreshing the Query Context-sensitive menu appears when you right-click in the query area Refresh External Data command retrieves the latest data from the Web External Data toolbar
  23. 23. Date Arithmetic <ul><li>Excel stores all dates as integers </li></ul><ul><ul><li>Serial numbers, beginning with January 1, 1900 </li></ul></ul><ul><ul><li>The difference between dates is determined by subtracting one number from another </li></ul></ul><ul><li>Today() function always returns the current date </li></ul><ul><li>We can subtract dates and then divide by 365 to get years </li></ul>
  24. 24. Hands-on Exercise 3 <ul><li>Title of Exercise: Web Queries </li></ul><ul><li>Objective: Include a Web query into a worksheet to retrieve current stock prices from the Internet. Use the Today() function to illustrate the use of data arithmetic </li></ul><ul><ul><li>Input file: Stock Portfolio </li></ul></ul><ul><ul><li>Output file: Stock Portfolio Solution </li></ul></ul><ul><ul><li>Pages 369-374 </li></ul></ul>