The NuGet package WebApiDocumentator is an alternative to Swagger and the design is simple and more useful for developers and end users
WebApiDocumentator: an alternative to Swagger
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Category: WebAPI
Uploading files in ASPNET Core
Uploading files in ASP.NET Core is largely the same as standard full framework MVC but now we can stream large files. Here I explain how
Getting started with C# and Blazor
Getting started with C# and Blazor explains how this new Microsoft technology is working and the basic information to understand Blazor
Architecting ASP.NET Core applications
I want to explain how architecting ASP.NET Core applications for enterprise projects based on clean architecture principles
Customize Json result in Web API
If you work with Visual Studio 2015 and WebAPI, this short post is for you! We have to make our Web API project easy to debug so, I’m going to remove the XML formatter. I’m doing that because I’m in a test project and I’d like to see the response in the browser. The easily way to force the response to Json for all Web API requests is to remove the XML. Obviously you shouldn’t do it in production. Global.asax var formatters = GlobalConfiguration.Configuration.Formatters; formatters.Remove(formatters.XmlFormatter); Now we can start change…
Creating a URL shortener using ASP.NET WepAPI and MVC: error handling
In the two previous post I discussed about the first step to creare this application and the implementation of the business logic. Now we can implement the error handling. We have two custom exception classes: ShorturlConflictException (when a segment already exists) and ShorturlNotFoundException (when a segment isn’t found in the database). There is also a third type: an unexpected exception, for example when there is no database connection. Normally, the user will see these errors. We have to build a mechanism where these exceptions are caught and a nice error…
Creating a URL shortener using ASP.NET WepAPI and MVC: implementing the business layer
In my previsious post I discussed the first implementation of this application. In this post I’m explained how to implement the business layer. First of all you make sure the Business project references the Data, Entities and Exceptions projects. In the Exceptions project you add two new classes: ShorturlConflictException using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace PSC.Shorturl.Web.Exceptions { public class ShorturlConflictException : Exception { } } ShorturlNotFoundException using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace PSC.Shorturl.Web.Exceptions { public class ShorturlNotFoundException : Exception {…
Creating a URL shortener using ASP.NET WepAPI and MVC
In this tutorial, I use several techniques and tools. I use Microsoft Visual Studio 2015 and the latest version of all components. ASP.NET MVC: Microsoft’s modern web application framework. As the name says, it pushes you to use the MVC (model view controller) software design principle. ASP.NET Web API: Web API and MVC are used together in many applications. With MVC, the HTML of the web pages are rendered on the server, and with Web API you can, like the name says, create an API. Web API also uses the…
The current type, is an interface and cannot be constructed. Are you missing a type mapping?
You might have missed to register your Interface and class (which implements that inteface) registration in your code. e.g if the error is "The current type, xyznamespace. Imyinterfacename, is an interface and cannot be constructed. Are you missing a type mapping?" Then you must register the class which implements the Imyinterfacename in the UnityConfig class in the Register method. Using the following code as an example using System; using Microsoft.Practices.Unity; using Microsoft.Practices.Unity.Configuration; using PSC.Shorturl.Web.Business; using PSC.Shorturl.Web.Business.Implementations; namespace PSC.Shorturl.Web.App_Start { /// /// Specifies the Unity configuration for the main container. ///…
DateDiff() function in C#
I have written the following DateDiff() function in C#. VB.NET users already had it using the Micrsoft.VisualBasic.dll assembly. Now you can use it without referencing this ‘ugly’ extra assembly. using System; namespace PureSourceCode.System { public enum DateInterval { Year, Month, Weekday, Day, Hour, Minute, Second } public class DateTimeUtil { public static long DateDiff(DateInterval interval, DateTime date1, DateTime date2) { TimeSpan ts = date2 – date1; switch (interval) { case DateInterval.Year: return date2.Year – date1.Year; case DateInterval.Month: return (date2.Month – date1.Month) + (12 * (date2.Year – date1.Year)); case DateInterval.Weekday: return…
Use a reuseIdentifier Where Appropriate
A common mistake in app development is not setting the correct reuseIdentifier for UITableViewCells, for UICollectionViewCells, or even UITableViewHeaderFooterViews. For maximum performance, a table view’€™s data source should generally reuse UITableViewCell objects when it assigns cells to rows in tableView:cellForRowAtIndexPath:. A table view maintains a queue or list of UITableViewCell objects that the data source has marked for reuse.What happens if you don’t use a reuseIdentifier? If you don’t, your table view will configure a brand-new cell each time a row is displayed. This is an expensive operation and will…