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Finding gaps in time

Let assume that we want to create a simple scheduler which allow user to plan meeting as long as he want with 1 minute precision. There is multiple ways to make such implementation but in this post I want to present an approach I used recently. In my implementation I`ve created separated type which represents any time period. I called it Range and it`s consists of three properties (one is read-only). Main idea behind creating this time is encapsulate state and end date of used defined time period. /// <summary> /// Represents range in time. /// </summary> public class Range { /// <summary> /// Gets or sets represents range start time. /// </summary> public DateTime StartTime { get ; set ; } /// <summary> /// Gets or sets represents range end time. /// </summary> public DateTime EndTime { get ; set ; } /// <summary> /// Gets ra

Autocomplete control with ASP.NET MVC 4 and jQuery

Almost in each modern website project one of the feature is suggesting user possible items to select when he start typing one of them. Such functionality is done by using control named autocomplete . Under the hood  it consists of at least three elements: UI control which allow user to type some text - mainly this in HTML input of text type Server-side function which serves data to be auto-completed Client-side logic (written in JavaScript) which , by using AJAX, send request to the server asynchronously and then process the results. When we think about creating autocomplete control in ASP.NET MVC 4 we definitely should take a look at  jQueryUI framework. One of the feature of this framework is autocomplete control which enables users to quickly find and select from a pre-populated list of values as they type, leveraging searching and filtering. That sounds very good and is excellently what we are looking for. First step in autocomplete control  creation is creating a

Custom configuration in Web.config

Almost all projects have come configuration which is mostly unique and absolutely custom. That configuration allow to customize some application behaviors, settings and switching some parts of implementation. In Microsoft .NET Framework configuration can be stored in two types of files: *.config - XML based file which differ depending on project type. In web application such ASP.NET or WCF we working with Web.config file and in desktop application use App.config . *. setting - deprecated type of file which allow to store custom settings in XML  based, strongly typed file.  In this post I focus on Web.config file and demonstrate how to create custom section for this type of file.  At the beginning  we need some basic configuration file which is easy to get one because after we created new ASP.NET project from a template we already should have one. Simplified version on Web.config looks like as resented below. Code Snippet <? xml version = " 1.0 " ?>