Tagged articles - WEB API

Paging of REST API response is equally important as filtering of the data returned through REST API endpoints and they quite often come together. Same as filtering, paging limits the amount of data returned at the endpoint, saving both client and server side resources...read more

As ASP.NET was evolving, there were different ways accessing client IP address from the request. The way to do it WebForms and MVC Web application is simply accessing request of the current HTTP context ...read more

Some time ago I wrote an article about ASP.NET Core Web API versioning which describes route based Web API endpoint versioning. I love route versioning and to me it is the best way of versioning because it is pretty straight, but there are situations where this kind of versioning is not suitable. On nuget.org you can find Microsoft.AspNetCore.Mvc.Versioning package which gives you more options on how you can version your Web API endpoints...read more

Even before popularity of micro service approach, for even monolithic applications you needed to have health-checks (Google Compute Engine) or health-probes (Microsoft Azure) for load balancing. Basically in load balancing scenario, these endpoints are used to tell load balancer whether instance can handle requests or not. Since handling of requests may consider several components, these endpoints either return 200 OK HTTP response or any other response like 500 Internal Server Error with optional payload message describing the issue and each component status. ...read more

Authentication in web services is a bit more different than with web pages because of one simple reason. There is no UI for entering credentials to authenticate to consume service...read more

Azure as a part of Microsoft Operations Management Suite provides data collection and insight services inside Azure cloud platform. It allows you to: ...read more

Taking out business logic from the application allows different clients running on a different platform to use same logic. REST API is a great way to decuple business logic and make it available to different clients on a different platforms. To upload files using WebApi we first need to define an action in a WebApi controller to handle files posted to the endpoint. ...read more

Web API and in general REST services are becoming more and more often used layer of the applications. It relies on the HTTP, it is lighter than the SOAP and more natural to JavaScript, therefore easy to use both from the client and serer side. Implementation of the WebApi in ASP.NET is pretty simple...read more

When it comes to WebAPI many project overlook the versioning aspect. The whole concept of WebAPI is to serve multiple types of clients which can be based on different platforms, run on different devices etc...read more

You probably run to this exception when you tried to fetch JSON data over HTTP GET request. Now, first this is easy to bypass by simply adding JsonRequestBehavior.AllowGet option to method which is retutning JSON data for GET request in a controller file. ...read more

Today there are multiple URL shortening solution available online for free. However, there is always need to have some existing funtionalities in the house for various reasons. This functionality can be easily achieved with different approaches...read more

Last year I wrote an article about IP address filtering on MVC and WebApi Restrict Access to an MVC Action or Controller based on IP address. Over time the requirements for IP filtering in several web based application increased, so I had t work on this class to make it more extendible and reusable in different scenarios. The new scenarios I wanted to cover are: ...read more

Cross-origin resource sharing (CORS) means that page from other domain can make request to some resource which is on other domain. For example, if you try to invoke some WEB API method which is running on different domain you will get exception in the script. By default CORS are disabled in ASP.NET bot you can easily enable them just by modifying web.config for IIS7 and newer versions pf IIS. ...read more

As much as this sound new to you, it actually isn't. If you worked on any Windows From application in .NET you had an option to embedded files in your form like images, icons and even sounds and videos. This made deployment a lot easier because you only have to deploy one .exe file. ...read more

Database table changes are usually not displayed right away in an application, escecially if it is a web application. With HTML5 and Web API that is about to change...read more