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Microsoft ASP.NET

How to Get External URL Reference in ASP.NET

Posted on December 11th, 2013.

We recently had a requirement to track the initial location of our users in a Single Sign On environment. One essential information that was needed for this requirement was to get the previous external URL from which the user came in our website. The external URL can be very easy extracted with the following code: if...

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Microsoft ASP.NET

How to open an MVC 2 Project in Visual Studio 2012

Posted on September 25th, 2013.

It seems that Visual Studio 2012 doesn’t know how to upgrade projects created in Visual Studio 2010 with ASP.NET MVC 2 (or maybe it doesn’t want to). Follow these steps in order to unlock an ASP.NET MVC 2 or MVC 1 project in Visual Studio 2012: Step 1: Right click on the project and click “Edit projectname.csproj”. Step 2: In the opened...

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C#

Resources to learn ASP.NET WebForms, ADO.NET, HTML, CSS and SQL

Posted on September 9th, 2013.

The main purpose of this resource list is to give you a head start in developing ASP.NET applications. As you may know, developing ASP.NET application involves a strict set of technologies that is present in almost all applications: HTML, CSS, JavaScript, C# or VB.NET and SQL. Probably there are more but these technologies are mandatory...

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C#

N-Tier Architecture. ASP.NET Example

Posted on August 12th, 2013.

Introduction N-tier architecture is probably one of the most used architecture models in the industry. It is used so often because it’s scalable, extensible, secure and maintainable over time. It also helps the developers with different roles to better do their job without interfering with each other. In this article I will present...

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Front-End Performance Tips for ASP.NET Websites – Minimize HTTP Requests

Posted on August 7th, 2013.

According to Yahoo Developer website: 80% of the end-user response time is spent on the front-end. Most of this time is tied up in downloading all the components in the page: images, stylesheets, scripts, Flash, etc. Reducing the number of components in turn reduces the number of HTTP requests required to render the page. This is the key...

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Front-End Performance Tips for ASP.NET Websites – Using Telerik to Speed Up the Page

Posted on August 2nd, 2013.

Large ASP.NET pages have big ViewState size. I think this is one of the biggest downsizes that ASP.NET Webforms has because, if you have a big number of web controls in your page, the page size will increase exponentially after Postback. A weeks ago I found that Telerik AJAX Controls Library has the RadCompression module which can enable...

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Front-End Performance Tips for ASP.NET Websites – Add Response Headers

Posted on July 31st, 2013.

There are quite few methods to do this. You can set the Expire Headers directly from IIS, you can write a custom HttpHandler or if you don’t want custom functionality you can set them from Web.config file. Below you have an example of how you can set the expiration date from Web.config: <system.webServer> <staticContent>...

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Front-End Performance Tips for ASP.NET Websites – Introduction

Posted on July 31st, 2013.

The performance of a website is definitely one of the most important factors that affects its user experience. Not only that, but the performance can also affect sales and search engines ranking. Please take a look at some key facts below: About Response Times Jakob Nielsen says that there are 3 important limits in applications response...

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For Developers: Please take a look at Selenium!

Posted on February 4th, 2013.

What is Selenium? Briefly, Selenium is a Firefox plugin that allows you to do web automation testing. It is capable of recording, editing and debugging tests. It is also platform independent so you can test websites created in PHP, ASP.NET, Ruby, etc. Key features: Easy record and playback Intelligent field selection will use IDs, names,...

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Passive Security Tip: Deny Unused file extensions in an ASP.NET website

Posted on November 4th, 2012.

There are cases when for example due to poor form validation, an attacker can upload a .bat file instead of a picture on a form and after that can execute the malicious .bat file via URL. Remedy ASP.NET allows developers to specify in the web.config file certain file or services extensions that they won’t be used in the application....