Ryadel

Visual Studio Intellisense stops working when creating new files – FIX How to fix Visual Studio Intellisense errors when creating a new file

December 25, 2019December 25, 2019 - by Ryan - Leave a Comment

If you’ve stumbled upon this post it most likely means that you’re struggling with a strange issue with Visual Studio Intellisense: it seems to work fine for existing files, but …

ASP.NET / C# / Coding

ASP.NET C# class to check for Italian Tax Code / Fiscal Code / VAT ID A useful C# helper class to check for the formal validity of any Italian Tax Code / Fiscal Code / VAT ID - English version (Italian version available as well)

November 23, 2019November 23, 2019 - by Ryan - Leave a Comment

There’s no Italian programmer (or one who has worked in Italy) who has not had to deal at least once with Italian Tax Codes / Fiscal Codes: we literally run …

ASP.NET / C# / Coding / HTML & CSS / Linux / Web / Windows

The ASP.NET Core Revolution – .NET Core history through the years (2016-2019) An extensive recap of the latest four years of ASP.NET Core: relevant milestones, new features, architecture improvements, optimizations, and so on

October 3, 2019January 20, 2020 - by Ryan - 1 Comment

To summarize what happened in the ASP.NET world within the last four years is not an easy task; in short words, we can say that we’ve undoubtedly witnessed the most …

ASP.NET / C# / Coding / Linux / Servers & Services

ASP.NET Core – How to Shutdown / Restart a Web Application programmatically How to shutdown and restart a ASP.NET Core Web Application programmatically and remotely trigger it with a HTTP request

October 1, 2019October 1, 2019 - by Ryan - Leave a Comment

Being able to restart an ASP.NET Core web application programmatically can be very useful, expecially if you’ve published it on a Linux host – which is what I almost always …

ASP.NET / C# / Coding / Linux

ASP.NET Core on Linux – Unable to load DLL libgdiplus – how to fix it How to fix the Unable to load DLL libgdiplus - gdiplus.dll not found in Linux error using ASP.NET Core and Linux

September 23, 2019September 23, 2019 - by Ryan - Leave a Comment

Today I faced a minor issue while trying to publish my ASP.NET Core project on my Linux CentOS production machine. The error I got was the following:

ASP.NET / C# / Coding

MergeTIFF – Free tool to merge multiple TIFF files into one A lightweight, open-source .NET Core console application to merge multiple TIFF files in a single multi-page TIFF file - source code available on GitHub

July 29, 2019August 22, 2019 - by Ryan - Leave a Comment

In this post, we’ll talk about MergeTIFF, a lightweight .NET Core console application that merges multiple TIFF files (including multi-page ones) into a single multi-page TIFF file. The full source …

ASP.NET / C# / Coding / Design / Windows

Visual Studio – parameter instance with value null (and other design errors) when opening XSD files How to fix the "Value cannot be null. Parameter name: instance" error when opening XSD files in design mode with Visual Studio 2017 or 2019

July 16, 2019July 16, 2019 - by Ryan - 2 Comments.

If you’ve stumbled upon this post it most likely means you’re having issues while trying to open XSD files from Visual Studio 2017 or 2019. More specifically, this problem often …

ASP.NET / C# / Coding / Servers & Services / Web

ERR_RESPONSE_HEADERS_MULTIPLE_CONTENT_DISPOSITION error in Chrome – How to fix How to address a nasty HTTP error that you could get in Google Chrome browser when you're handling files with commas in their filename

June 24, 2019June 24, 2019 - by Ryan - Leave a Comment

Today we were called to fix a strange issue that was happening to one of our colleagues when trying to download a PDF file from one of our Document Management …

Coding

ASP.NET C# DateTime helper functions to add, subtract, calculate and get Business Days A set of useful DateTime-based helper classes to skip holidays and add-subtract-calculate business days (including Easter, Easter monday and other country-specific holidays)

June 19, 2019July 2, 2019 - by Ryan - Leave a Comment

Today I had to find a way to perform some rather “uncommon” DateTime-based operations: to be more specific, I needed to check if a date object resulting from a user …

ASP.NET / C# / Coding / Cyber Security / HTML & CSS / Servers & Services

ValidateTokens exception on ASP.NET MVC Login: how to fix How to overcome a ValidateTokens exception that could hinder your login phase in an ASP.NET MVC Web Application form with the Anti-Forgery token feature on

June 14, 2019June 17, 2019 - by Ryan - Leave a Comment

Today I had to help one of my developers who was experiencing a strange issue in an ASP.NET MVC Application (based upon .NET Framework 4.8) he was debugging. The error …