http://blog.nus.edu.sg/nexus Just another Your New Edublogs Campus Site weblog Mon, 17 Aug 2009 15:36:11 +0000 http://backend.userland.com/rss092 en Previously Nexus related along with ASP.NET development entries have been mixed in this blog. With effect from Aug 2009, all non nexus related blog posts can now be found at http://jefferytay.wordpress.com http://blog.nus.edu.sg/nexus/2009/08/17/ive-moved/ If you have a TabContainer with multiple Tabs, and more than 1 tab have a gridview, any postback actions on the gridview will cause your tabcontainer to jump back to the first tab if you are not did not enclose the TabContainer in an update panel. Digging into the source code ... http://blog.nus.edu.sg/nexus/2009/04/23/tabcontrols-and-multiple-gridviews/ Based on a Vladimir Bodurov blog post on IDictionary options - performance test - SortedList vs. SortedDictionary vs. Dictionary vs. Hashtable, it seems to indicate that SortedDictionary is slower during inserts as compared to Dictionary but faster during searching. However during the course of my development in ASP.NET 3.5, there have ... http://blog.nus.edu.sg/nexus/2009/04/16/performance-of-generics-sorteddictionary-and-dictionary/ This post aims to highlight the differences between the cache implementation of HttpRunTime and EnterpriseLibrary HttpRuntime.Cache Enterprise Library Caching Block Standard Actions Add Item to Cache Read Item from Cache Update Item to Cache (using insert) (using add) Delete Item from Cache Flush all Items in Cache Enumeration Actions Enumerate all items in cache Employ LINQ Expressions Cache Dependencies Cache Dependency - File Cache ... http://blog.nus.edu.sg/nexus/2009/03/28/httpruntime-cache-vs-enterprise-library-cache/ When you are running your ASP.NET applications inside an application pool with only 1 worker process, everything works as expected. But things usually do not go so smoothly when you run the same application inside a web garden. What is a web garden Simply put, a web garden is a single web ... http://blog.nus.edu.sg/nexus/2009/03/26/aspnet-and-web-gardens/ ASP.NET makes custom controls extremely easy to write, but if you are not careful, hard to manage. There are 2 ways to create a custom control Writing your own HTML code Using the controls property Writing your own HTML code Using your own properties, you can easily write HTML code to generate the output e.g consider a ... http://blog.nus.edu.sg/nexus/2009/03/25/custom-controls/ It is extremely easy to use ASP.NET to manage your Active Directory Users. This article shall list some of the common scenarios which is most frequently used. Points to ensure add the reference to System.DirectoryServices The account running the website must have the appropriate access to the AD Get Users in Group List<UserID_CN> result = new ... http://blog.nus.edu.sg/nexus/2009/03/25/updating-active-directory-using-aspnet-35/ Introduction ASP.NET offers several forms of caching. They are output caching, HttpRuntime.Cache and finally Enterprise Library Cache. Each of these aims to meet the requirements of different scenarios. This article shall explore the scenarios which each of these best fit. Output caching There are 2 variants of output caching, you can either cache the ... http://blog.nus.edu.sg/nexus/2009/03/22/application-caching/ ASP.NET's GridView is great, but admittedly there are limitations to what it can do. Some nice features which are missing include Advanced Search Print Save I've written an advanced gridview class which is able to perform all these This gridview comes with the ability to Display Create button which goes to another url when clicked Save button to ... http://blog.nus.edu.sg/nexus/2009/02/18/aspnet-advanced-grid-view/ It is easy to develop using ASP.NET, you can have a web application with database operations up in less than half an hour. But this ease of development comes at the expense of several performance hits. Viewstate Web sites are stateless by design, which means that anything you have on the page ... http://blog.nus.edu.sg/nexus/2009/02/16/performance-programming-with-aspnet-c/