ASP.NET Exception Handling

ASP.NET exception handling technique - Interview questions

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Define Exception handling in ASP.NET. Exceptions or errors are unusual occurrences that happen within the logic of an application............... Read answer What are the ways of handling exceptions in ASP.NET? There are three ways to handle exceptions in ASP.NET Try/catch/finally block.............. Read answer Explain Try/catch block of exception handling. You can enclose code in Try/Catch/Finally block. You can catch all exceptions in the catch block.............. Read answer Define Error Events. ASP.NET supports events that occur when any unhandled exception occurs in an application. These events are called as Error Events.............. Read answer Define Custom Error Pages. There are many errors that can’t be trapped in the application code like page not found. To intercept this kind of error, ASP.NET supports Custom Error Pages that can be specified at two places.............. Read answer Why is exception handling important for an application? Exception handling is used to prevent application from being stuck due to unusual occurrences. If the exceptions are handled properly, the application will never get terminated abruptly..............  Read answer When can you use tracing with exception handling? You can use tracing with exception handling to log unanticipated exception to the trace log. The log file can be used to diagnose unanticipated problems and thus can be corrected.............. Read answer <<Previous  Next>> .NET Code Security Interview questions with answers What is code security? What are the types? | Define Principal object. | Define declarative and imperative security. | Define role-based security. | Explain code access security. | What is Code group? | Define the use of Caspol.exe. ASP.NET 2.0 Themes One of the neat features of ASP.NET 2.0 is themes, which enable you to define the appearance of a set of controls once and apply the appearance to your entire web application............ .NET Debug & Trace Interview questions with answers  What is break mode? What are the options to step through code? | Debug Vs Trace. | Define trace class. Define Listeners collection of Trace and Debug objects. | Define Trace Switches. ASP.NET 2.0 Administration and Management One of the key goals of ASP.NET 2.0 is to ease the effort required to deploy, manage, and operate ASP.NET web sites. To this end, ASP.NET 2.0 features a new Configuration Management API that enables users to programmatically build programs or scripts that create, read, and update configuration files such as Web.config and machine.config............. ASP.NET 2.0 Speed and Performance As part of the performance improvements, ASP.NET 2.0 also enhances the caching feature set by providing new functionalities........... ASP.NET 2.0 Caching Feature Caching is defined as temporary storage of data for faster retrieval on subsequent requests. In ASP .NET 2.0, the caching support is integrated with the DataSource controls to cache data in a web page. ASP.NET 2.0 also now includes automatic database server cache invalidation............ Understanding AJAX AJAX is an acronym for Asynchronous JavaScript and XML. If you think it doesn't say much, we agree. Simply put, AJAX can be read "empowered JavaScript", because it essentially offers a technique for client-side JavaScript to make background server calls and retrieve additional data as needed, updating certain portions of the page without causing full page reloads............. What is AppSetting Section in “Web.Config” file?  AppSetting section is used to set the user defined values. For e.g.: The ConnectionString which is used through out the project for database connection......... Difference between Server.Transfer and response.Redirect. Following are the major differences between Server.Transfer and response.Redirect..... Difference between authentication and authorization. Authentication is the process of verifying the identity of a user.......