Why handlers in asp.net

In this blog post, we have seen how to easily migrate ASP. Try out the steps given in this blog and leave your feedback in the comments section below! With over 70 components, the ASP. It includes popular widgets such as a data grid, chart, Gantt chart, diagram, spreadsheet, scheduler, and pivot grid.

Use them to enhance your productivity! If you have questions, you can contact us through our support forum , Direct-Trac , or feedback portal. We are always happy to assist you! Top NET Core 3. Blog Home. Select Category Popular Categories. NET My Dashboard. Sign out. Share on twitter. NET Web application. You can create your own HTTP handlers that render custom output to the browser.

The ASP. NET page handler is only one type of handler. NET comes with several other built-in handlers such as the Web service handler for. You can create custom HTTP handlers when you want special handling that you can identify using file name extensions in your application. For example, the following scenarios would be good uses of custom HTTP handlers:.

You can then bind the. When users send a request to your site that ends in. NET will call your handler to process the request. Image server If you want your Web application to serve images in a variety of sizes, you can write a custom handler to resize images and then send them back to the user as the handler's response.

HTTP handlers have access to the application context, including the requesting user's identity if known , application state, and session information.

NET calls the ProcessRequest method on the appropriate handler. The handler's ProcessRequest method creates a response, which is sent back to the requesting browser. As with any page request, the response goes through any HTTP modules that have subscribed to events that occur after the handler has run.

Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. NET Ask Question. Asked 12 years, 10 months ago.

Active 2 years, 8 months ago. Viewed k times. Config file, Add this Http handler section:. The Http Handlers are often useful when the services provided by the high-level page framework abstraction are not required for processing the HTTP request. Common uses of handlers include filters and CGI-like applications, especially those that return binary data. View All. Sivakumar Nagarajan Updated date Oct 04, The following steps are involved to create customized http handler: Create a C class library as "Examplehandler" Name class as "Handlerclass.

Step 2 Register this handler by adding the following text in the web. Next Recommended Reading. Windows 10 Vs Windows Visual Studio Vs Visual Studio NET request. This interface provides one method ProcessRequest and a property IsReusable. Now add a simple text file with extension ". It should look like the following-.

So in simple words, an HttpHandler is frequently associated with a specific extension, and a practical usage includes dynamic image generation or modification. Now let's explore the HttpModule.

HttpModule is another part of request processing of ASP. In a single request processing, there can be more than one modules which gets executed. HttpModules take part in processing of the request by handling the Application events. There are number of events which you can handle during the HttpModule processing. You can also create custom HttpModules. This interface provides two method -. Now call the same file in a browser "Hello.