Tagged articles - ASP.NET

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

With so many online and cloud based services, adding one more additional account for your application adds additional complexity level for your users since they will have to manage one more account and remember one more password. Microsft ASP.NET comes with pretty nice built in provides for social networks, but for office usage social networks are not so convenient to be used. ...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...read more

Last year I wrote an article about ASP.NET web application security check list. Apparently there are always more things to add to improve your web application security...read more

I've used GoogleMaps on several web projects and it seemed to me that I'm repeating a lot of code used in the previous projects which lead me to write a common Javascript library to help me easily reuse the code by only copying the JavaScript library to a project or referencing it from CDN. I could not think of a better way to build this library than to use jQuery and build a pligin for this. ...read more

Reading from application config is pretty easy in .NET. You literally need one line to fetch the value...read more

Sitemap.xml is important component of SEO which is responsible for indexing your website. Search engine robots are generating indexes of your website based on this file. Since content in Umbraco website is dynamic, it makes not so much sence to have static sitemap.xml file for indexing your content...read more

Of course, the best way to make you web application work fluent is to write the code properly and design the architecture of application to meet requirements and certain load depending of the type of application. But even though architecture is good, you can always improve performance by reducing processing in application code itself. Caching is the best way to boost web application performance and reduce load of both application (IIS) and data servers (SQL Server) ...read more

Recently I was checking my Google Analytics for this website I spotted some referrer urls that were completely unknown to me. When I tried to visit the url of the referrers I got a lot of commercial and pop-ups after few redirects. It looked really suspicious, so I tried to find a little bit more about these. ...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

From time to time we all need to do some maintenance to our websites. ASP.NET has nice integrated feature to put your website online while you are updating files and libraries...read more

Generating Zip archives has always been a great thing if you need to generate different content for the request depending on some parameters. In case you need to return multiple files this is one approach to go with. ...read more

Recently I started a small free service app for extracting icons from application files .exe and .dll. It is called IconExtract and it is hosted at http://iconextract.dejanstojanovic.net/ It basically takes application file you submit, extracts icons and returns them zipped, so beside long running upload there is some processing on the back-end when file is uploaded as well. ...read more

Creating image thumbnail on the fly is pretty easy in ASP.NET whether you are still using WebForms or MVC. There is even a methods introduced in .NET 4.5 framework for generating thumbnail image from a Bitmap class instance. You can easily create and action in a controller and generate and return thumbnail image on the fly...read more

HTTP compression is a simple way to improve site performance and decrease bandwidth, with no configuration required on the client side. If you test your website through Google PageSpeed Insights, HTTP compression will be one of the points recommended to be used to increase website performance. Luckily for .NET developers IIS supports it out of the box...read more