Beginning ASP.NET 4.5: in C# and VB
Format: PDF / Kindle (mobi) / ePub
The ultimate programming guide to ASP.NET 4.5, by popular author and Microsoft MVP Imar Spaanjaars
Updated for ASP.NET 4.5, this introductory book is filled with helpful examples and contains a user-friendly, step-by-step format. Written by popular author and Microsoft ASP.NET MVP Imar Spaanjaars, this book walks you through ASP.NET, Microsoft's technology for building dynamically generated web pages. This edition retains the highly accessible approach to building the Planet Wrox website example, an online community site featuring product reviews, picture sharing, bonus content for registered users, and more.
- Contains the comprehensive guide to the latest technology additions to ASP.NET 4.5
- Shows how to build basic ASP.NET web pages and configure their server
- Includes information on how to add features with pre-built server controls
- Reveals how to design pages and make them consistent
- Contains the information needed for getting user input and displaying data
Beginning ASP.NET 4.5 in C# and VB uses Spaanjaars's distinct writing style to put you at ease with learning ASP.NET 4.5.
document.all["cpMainContent_ContactForm_RequiredFieldValidator1"] : document.getElementById( "cpMainContent_ContactForm_RequiredFieldValidator1"); cpMainContent_ContactForm_RequiredFieldValidator1.controltovalidate = "cpMainContent_ContactForm_Name"; cpMainContent_ContactForm_RequiredFieldValidator1.errormessage = "Enter your name"; cpMainContent_ContactForm_RequiredFieldValidator1.evaluationfunction = "RequiredFieldValidatorEvaluateIsValid";
discussion of the various events that the DetailsView control fires, you have come to the end of this chapter. By now, you should have a reasonably good understanding of how to perform CRUD operations using the GridView, DetailsView, and SqlDataSource controls. Useful as the SqlDataSource control may be, many developers don't like or use it. One of the biggest drawbacks of this control is the fact that your SQL statements end up directly in your ASPX pages. This can be really problematic if you
to retrieve the second page of rows, given a page size of 10: VB.NET Dim someReviews = (From r In myEntities.Reviews Order By r.Title Select r).Skip(10).Take(10) C# var someReviews = (from r in myEntities.Reviews orderby r.Title select r).Skip(10).Take(10); Just as with the Count example, the query is wrapped in a pair of parentheses, followed by the calls to Skip and Take to get the requested rows. The TakeWhile and SkipWhile query operators work in a similar fashion, but enable you to take
ListView by setting the PagedControlID property. If you prefer links or images over buttons, you can set the ButtonType property of the NextPreviousPagerField element to Link or Image, respectively. If you prefer a numeric pager, replace the NextPreviousPagerField item with a NumericPagerField:
TreeView, log in with the Manager account you created earlier in this chapter, and return to the Gig Pics page. 7. Choose one of the photo albums from the drop-down list. The page reloads and shows the pictures in the photo album. 8. Click the Edit Photo Album link at the bottom of the page. Figure 16.23 shows how each picture is still associated with a Delete button that deletes the picture when clicked, just as you saw in Chapter 14. Click the Delete button for a picture to confirm that it