Tagged articles - C#

Found 179 articles tagged with C#

Simple implementation of ASP.NET Web API Basic authentication security
Securing Web API with simple basic authentication and consuming it from the client code
 
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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
Getting GIF image information using C#
Extracting GIF image data in .NET using C#
 
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GIF image format is most commonly used format for online advertising, especially since all browser starting from major onces stopped supporting Flash animations because of their infamous security vulnerabilities and issues. After going through different articles I found online, I came up with the class which exposes following GIF image properties. ...read more
How to avoid Thread.Sleep in your production code in .NET
Avoiding Thread.Sleep in production code in .NET using C#
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I am pretty sure any of us used Thread.Sleep method to pause the current thread execution. Mostly this is used to simulate long running process during the test or debug. While this is fine to use for testing, if your intention is to actually schedule thread execution this is probably wrong way of doing it, simply because Thread.Sleep does not actually take as many milliseconds as you pass to the method as a parameter...read more
Reduce traffic by serializing JSON with different alias with Json.NET and C#
Reducing speed and increasing performance by reducing traffic with JSON size
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One of the reasons JSON is used rather than XML is it's simplicity in notation. However XML is claimed to be more human readable than JSON and JSON is easier to parse for machines, so basically we switched from XML in favor to machine processing. If you take a C# class and serialize it to JSON string you still find it quite readable since we kept all nice property names in the JSON output...read more
log4net logger for Microsoft Azure Log Analytics
Logging to Azure Log Analytics using log4net
 
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Recently I wrote an article on how to Send data to Azure Log Analytics from C# code which is demonstrating pushing data from your code to Microsoft Azure Log Analytics and simple quering the data from the Log Analytics. Azure Log Analytics are extremely helpful for storing application logs because they provide transformation of the raw data into queriable columns, you can easily query your logs stored in Log Analytics and export to Excel format if you need to share the data or you just want to make some offline data analysis. ...read more
Download file in chunks in parallel in C#
Improved file download using chunks of file in parallel in C#
 
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Downloading large files from your code may cause problems due to limitations in your network or system where your code is executing. For example, some systems limit the size of the file you can download through the network...read more
Displaying multiple select input for Enum in Swagger WebApi UI
Multiple select input Swagger WebApi UI
 
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Enums in C# can contain multiple values if they are decorated with [Flags] attribute. However, Flag Enums are not recommended to be used in web api action method signatures...read more
Handling Cross-Site Scripting (XSS) in ASP.NET MVC
Handling XSS in ASP.NET MVC with custom Razor Html helpers and HttpModule
 
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Cross-site Scripting (XSS) refers to client-site code injection attack where an attacker can execute malicious scripts into a web application. Basically attacker manages to upload malicious script code to the website which will be later on served to the users and executed in their browser. It is ofter use to steal form inputs, cookie values, change the page layout or redirect to attackers website. ...read more
Using WebP Images in APS.NET with a fallback to JPEG and PNG
WebP images in ASP.NET with fallback for browsers not supporting WebP
 
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WebP is an image format introduced by Google Developers and it provides superior lossless and lossy compression for images on the web. Using WebP, webmasters and web developers can create smaller, richer images that make the web faster. ...read more
Switch from HTTP to HTTPS in existing ASP.NET web application
Switch complete traffic from unsecured to secured with web.config update
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Starting from few years ago, Google enforces secured over unsecured website traffic. However it is an ongoing process since both publishers and advertisers need to implement HTTPS in order to avoid mixed contnet exception in a browser and preventing ads to load on a website. ...read more
Minify HTML output of your pages
Minification of HTML output using ASP.NET IHttpModule
 
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Minification of resource can speed up your page load and decrease network traffic making you pages load faster, especially on a poor Internet connections. Keep in mind that not all of your website visitors have high speed Internet connection. Especially if you are targeting countries with mostly poor Internet connection, HTML minification can really boost the page load and improve user experience...read more
Export DataSet and DataTable to Excel with C#
Saving DataSet or DataTable instace to an Excel spreadsheet with C#
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Some time ago I wrote an article on how to export data to Excel from C# code. Essentially it exports data to file which can be opened in Excel but it does not produce the actual Microsoft Office Excel document. I recently wrote an article on Working with Excel files in .NET without using COM in C#, so I decided to use this approach to create extension methods for DataTable and DataSet classes...read more
Export DataTable to HTML in C#
Generate HTML table from DataTable instance in C#
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When I searched for exporting s to HTML table in C# I found a lot of articles and code snippets which are basically doing string concatenation or String.Format on the hard-coded HTML String to generate HTML string of the table. To me this approach is a bit like a workaround and I was never a fan of hard-coding values. In addition, code with a lot of hard-coded value end up as hardly maintainable code...read more
Working with Excel files in .NET without using COM
Read and write Excel files with C# using OLEDB on x86 and x64 platforms
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Excel is a common format for storing tabular data. It is a powerful tool from Microsoft Office package. Since it is often format for string data, it is often required to work with this data from the third party applications...read more
Simplest way to store lists and dictionaries in config files
Fast and simple way of storing and using lists and dictionaries in config files
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Configuration files are a useful place too keep any related configuration settings. It provides easy to use configuration fetching which you can invoke from any part of the application. However it does not support many stuff out of the box, but on the other hand it is pretty flexible and expendable. One of the things that are not there built in is support for lists. ...read more

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