4GuysFromRolla.com HeadlinesHeadlines for 4GuysFromRolla.com. 4Guys is an online resource site for ASP and ASP.NET information!Building Interactive User Interfaces with Microsoft ASP.NET AJAX: Performing Client Actions in Response to Partial Page Postbacks- May 28, 2008 The previous three articles in this series focused on building AJAX-enabled web applications using server-side techniques and controls. For instance, Using the UpdatePanel examined how to define regions on the page that participate and are updated by partial page postbacks; Providing Visual Feedback with the UpdateProgress Control showed how to use the UpdateProgress control to display feedback during a long-running partial page postback. The ASP.NET AJAX Framework also includes a rich...http://aspnet.4guysfromrolla.com/articles/052808-1.aspx Accessing and Updating Data in ASP.NET 2.0: Using Optimistic Concurrency- May 21, 2008 Because multiple users can visit the same web page concurrently, it is possible for a user visiting a data modification page to inadvertently overwrite the modifications made by another user. Consider a page with an editable GridView. If two users visit this page simultaneously from different computers and both edit the same row, whomever saves the first will have her changes overwritten by whomever saves the row last. This type of behavior is known as "last write wins" and is the default...http://aspnet.4guysfromrolla.com/articles/052108-1.aspx |