Tagged articles - C#

Found 167 articles tagged with C#

Zip whole folder on the fly in ASP.NET MVC application
Generate folder archive and send zip file in a response in ASP.NET MVC
 
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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
Detect when file download request is finished with jQuery
Figuring out when file download request completes with jQuery
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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
Image thumbnail Html helper with image caching for the perforance
Creating image thumbnail with caching in MVC
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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
Enabling GZip and Deflate compression from ASP.NET code
Compress your response on hosts where IIS compression is not supported
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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
Accessing UmbracoHelper in HttpHandler request
Working with UmbracoHelper and IPublishedContent in HttpHandler
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If you were planning to create sitemap.xml in Umbraco, you most probably were doing it with HttpHandler. This was fine until Umbraco version 6.2.2. If your website was running in lower version, most probably after update your HttpHandler were crashing since UmbracoContext.Current returns null. ...read more
Easier manipulation with IEnumerable objects
Useful extension methods for working with lists, arrays, dictionaries...
 
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Working with any collection which implements IEnumerable is pretty easy in C#, plus if you are using LINQ you can easily manipulate with collection data. Recently I was doing some filtering with some in-memory collections and I had to check whether one collection contains same elements as some other collection with elements of the same type. At first sight this looks pretty simple, but first problem is that collection elements might not be in the same order in both collection. ...read more
Super lightweight Data Access Layer returning models from ADO
Return strongly typed objects directly from stored procedure calls
 
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Entity framework is an awesome tool for working with database in .net, but sometime you have to get back to old fashion ADO for the performances. The bad thing is that as soon as you get back to ADO, you have to deal with SqlDataReader, DataTable and DataSet classes...read more
Transform comma seperated string to rows in SQL Server
Use comma separated string in TSQL
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Passing complex data to and from stored procedures has always been a tricky one. The most elegant way to pass values to a stored procedure is to use predefined data types in SQL Server...read more
Managed Extensibility Framework (MEF) quick start
Introducing MEF with simple code example application
 
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Managed Extensibility Framework or MEF is a library introduced in .NET Framework 4 which allows developers to easily create plugin based applications. It lives in System.ComponentModel.Composition namespace and before start working with MEF reference to this assembly needs to be added in a project.It is basically an implementation of IoC (Inversion of Control) pattern with few core functionalities such as assembly loading...read more
Random element of IEnumerable/Array
Random element extension method for IEnumerable/Array
 
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I don't work with random values very often but recently I had to write some small function that returns random value from an array. It sounded like a good idea to write it as an extension method to make it reusable for other projects. ...read more
ConcurrentDictionary vs Hashtable.Synchronized
Comparison of collections in multithread environment
 
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Basically all Dictionary collections in .NET internally implement Hashtable wrapped, so in terms of mechanism they are pretty much the same. The difference is that Dictionary exposes strong types while Hashtable uses object-object keyvalue pair which is much harder to work with because you need to know what is the actual type of the object stored in a key or value. Often casting will probably be required...read more
Convert string to any type that implements TryParse method
String extension method for converting to other value types
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In many cases serialized data is returned in a form of string although the actual type of data is different. The problem begings when you want to use data in it's original type becaus direct cast is not allowed in C# as it is in VB.net. This is why you have to use TryParse and safely parse the value to it's original type...read more
Creating Visual Studio ProjectTemplate VSIX package
How to create VSIX package for ProjectTemplate
 
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If you often have projects which setup is pretty much the same you might consider creating ProjectTemplate for Visual Studio.It speeds up development for the project setup, adding references, default configuration .config, content files... Before you start make sure that you have installed Microsoft Visual Studio 2013 SDK (http://www.microsoft.com/en-us/download/details.aspx?id=40758) and Nuget Package Explorer (http://npe.codeplex.com/)I also attached a small dummy project just to help understanding what is written in this article.Skipping to hands on code is always more helpful and faster for me to, so if you are bored by reading, download the attached .7zfile and explore it...read more
Custom configuration section with intelisense
Setup intelisense for custom configuration sections in app.config
 
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Config files are really useful and allow you to store some setting values without having to hard-code them. It provides out of the box configuration utility which is very flexible, but because of its flexibility, it has some drawbacks as well...read more
Set entry assembly in Unit testing methods
Resolving null entry assembly issue in unit tests
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Recently I started writing unit tests for a small project I keep in my visualstudio online TFS repository. After few test done I run into an issue. Since this project heavily relies on Reflection and dynamic assembly loading, main class constructor at one point is calling ...read more

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