1. Open IE and clear all cookie cache. 2. Start fiddler. 3. Browse application in IE. 4. It will cause redirect to passport login page. 5. Authenticate. We will land up to home page. 6. Stop fiddler. 7. Examine http traces: a. Filter...

Every app is different and every server is different. It's only through extensive understanding of the application that decision can be made to improve its performance. There are no specific set of rules we can define that will ensure app will run with...

So i am back after a long break. Just to give you a little bit of background i recently shifted from Microsoft PSS (where i used to support ASP.NET and IIS) to Micorosft IT Division as a developer where we create solutions for our valuable Microsoft Partners...

Problem Description ============= One of my colleague migrated his asp.net 1.1 application to asp.net 2.0. It worked fine for some time and soon after it is deployed it started giving intermittent security exception below: Event code: 3005...

Abstract ======= There is an ASP.NET 2.0 application inside of which i connect to serial COM port by using the classes present in System.IO.Port namespace ( http://msdn2.microsoft.com/en-us/system.io.ports.serialport.aspx ). I am able to connect...

The reason behind it was that debug attribute was set to true inside web.config. If debug attribute is set to true, then batch compilation is diasbled <httpRuntime executionTimeout /> or calls to Server.ScriptTimeout is ignored. To confirm, set...

Things to check: - Check the following registry key HKLM\SYSTEM\CurrentControlSet\Services\ASP.NET_1.1.4322\Performance\Library and make sure that it is pointing to correct version of aspnet_isapi.dll. Shutdown IIS and remote registry services...

There could be two reasons: - 1. Directory under which ASP page resides is not marked as an application. In other words, its not a *virtual* directory. 2. *Enable Session State* option is disabled either on the virtual directory level or one level...

Abstract We can visualize composite control, the composition of existing controls that reuses the implementation provided by child controls for rendering, post back handling etc. While creating composite controls we don’t face too much of complexity...

The link below explains what are the Login Controls and how they can be used against custom data source instead of SQL Server by creating the custom Membership Provider classes. http://support.microsoft.com/kb/910440/en-us By creating the custom...

Issue ==== I recently got an issue where customer ASP.NET 2.0 website on IIS and on one of the aspx pages he was using RangeValidator control. Browsing to that aspx page was giving client side Java script errors ‘ Webform_Postbackoptions is undefined...

Issue ==== One of my colleagues was loosing intellisense in the code behind editor for a particular ASPX page intermittently in visual studio .net 2003. Cause ===== Later we found out that he edited the InitializeComponent method by...

Issue ==== One of my colleague developed ASP.NET 2.0 application in Visual studio 2005. During the development phase he referenced few assemblies from a shared directory that were not in GAC. As a result, all the referenced assemblies were copied...

Issue ==== One of my Customer’s configured an ASP file named * NotFound.asp * to process 404 errors inside the Custom Errors section of Internet Services Manager, where he uses HTTP_URL Property to get the bad page or malformed URL that user...

Recently we got some cases in ASP.NET 2.0, where customers were using: - - DetailsView control bound with SQL Data source control. - DetailsView has few Data-bound Columns as well as one Template Column. - Data bound columns displays correct...

Issue ==== In an ASP.NET 2.0 application, customer was loading the sitemaps dynamically, based on the Logged in user. For example, if the logged in user is a Manager, sitemap related with manager should get loaded in the SiteMapPath control otherwise...

Recently we got a case where customer is trying to use FormParameters with DataSource controls on pages that uses Master Pages. It is by design that the Form Parameters will generate null values because of Master Pages. You can find the Bug details with...

Question How can I extend existing GridView control in ASP.NET 2.0 that has more than one Footer rows? Answer In my previous Blog on “Extending ASP.NET Datagrid Control” I discussed that ASP.NET is built on extensible architecture. GridView...

Problem In a sample ASP.NET 2.0 application there is: - Master page, Login.aspx and Default.aspx. Master page has a LoginView control with a Label control inside <LoggedInTemplate> section. Login.aspx and Default.aspx...

Recently i got a case where customer was creating and intializing ASP.NET Data grid dynamically on a button click and was adding it inside the placeholder control. After doing that he was not able to fire edit and cancel commands on the Datagrid. After...

Abstract ASP.NET is built on extensible architecture. Each and every control provides a set of basic functionalities which that control supports. If we want to extend/change the existing functionality for any control, .net framework provides...

Abstract When custom pagination is enabled, control does not implement any logic to page over a bound data source. Control expects the programmer to set the data source property with only records to be displayed for a given page. The advantage that...

This sample will give us an idea on: - How we can handle several events provided by Datagrid. How we can change behavior, L&F of Datagrid at runtime. Note: - This sample uses pubs database. First let’s define the Datagrid on the...