Tagged articles - C#

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

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

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

Azure as a part of Microsoft Operations Management Suite provides data collection and insight services inside Azure cloud platform. It allows you to: ...read more

Taking out business logic from the application allows different clients running on a different platform to use same logic. REST API is a great way to decuple business logic and make it available to different clients on a different platforms. To upload files using WebApi we first need to define an action in a WebApi controller to handle files posted to the endpoint. ...read more

If you were experiencing you ASP.NET Web Application to restart, there are few possible reasons for that, but before we jump to resons why ASP.NET web application hosted on IIS gets restarted let's first look at the relation between IIS and ASP.NET ...read more

More often you will need a list of strings from a single string with a Split method, not so often you need to get a single string from an IEnumerable of strings, but still those requirements exist form time to time. This does not look like a complex tasks, but still there are several ways to achieve this. ...read more

MSMQ (Microsoft Message Queuing) is a built in Windows component. It is not so popular now days as there are more efficient and robust solutions available. However, it still has it's place in application architecture as a simple queueing system, plus as I mentioned, it comes out of the box with Windows operating system as a Windows component.This means it is still widely used Windows based applications mostly for internal notifications and services between components of the solution...read more

Base64 serialized images are useful in many cases for serving images on page. It is also a format of image that JavaScript can generate on the fly. HTML canvas object has native support for base64 and it can be easily serialized to base64 string from JavaScript code by invoking toDataURL method of the canvas element. ...read more

It is an often case that application configuration is different for each environment. Most often this is the case for database connection string where developer has connection string to dev environment database or it's local database and quality assurance (qa) and production have different connection strings wile the rest of the config...read more

Microsoft made IIS management from the ASP.NET code itself much easer and accessible right out of the box by introducing Microsoft.Web.Administration library. Simply by adding the reference in your project to Microsoft.Web.Administration library you are getting options to manage websites hosted on the IIS where application is running. One of the requirements beside referencing Microsoft.Web.Administration library is setting your Application Pool to run under LocalSystem account. ...read more

Using REDIS for caching values for increasing application performance can be quite beneficial and can increase performance and scalability of your application. Although REDIS allows quite large text files, up to 512MB which is something you most likely will not reach if you are storing for example JOSN data, there will be a significant network transfer over the wire for putting and pulling this value in and out. ...read more

This article is based on one of my previous topic Advanced Base64 image extension in ASP.NET MVC. It uses the same concept to display image on the page and to cache it, but it involves QR code bitmap generation which is basically a NuGet package use. Basically, QR code is generated using NuGet package QRCoder https://www.nuget.org/packages/QRCoder/ and result Bitmap is serialized to base64 string and cached so we do not regenerate same QR bitmap over and over on every request which may lead to server overload. ...read more

The common reason I wrote Windows Services applications for are usually workers. For example, you need to read messages from the queue and process them...read more

Web API and in general REST services are becoming more and more often used layer of the applications. It relies on the HTTP, it is lighter than the SOAP and more natural to JavaScript, therefore easy to use both from the client and serer side...read more