Microsoft added the official docs to Install .NET Core on Ubuntu 20.04 package manager I will update the post will the official documentation. 

Learn how to use the ClosedXML NuGet package to export data as a CSV or XLSX file for Excel from an ASP.NET Core application 

It includes a new Json serializer, support for publishing single file executables, an update to runtime roll-forward, and changes in the BCL. 

As a refresher, the Windows code base is approximately 3.5M files and, when checked in to a Git repo, results in a repo of about 300GB .  

Nano Server is a deeply refactored version of Windows Server with a small footprint and remotely managed installation, optimized for the cloud and a DevOps workflow.  

WSL2 runs a real Linux kernel in Windows 10 and it's managing a virtual machine platform underneath (and not visible to) Hyper-V client tools, then why not just let WSL2 handle containers for us? That's exactly what the Docker Desklop WSL 2 Tech Preview aims to do. 

من روی پروژه‌ای کار می‌کنم که در اون سرور داده‌ها از سرور وب جداست. روی هردو سرور فایروال خاموش بوده و تنظیمات مربوط به Network DTC نیز روی هردو سرور انجام شده است(منظور تنظیمات زیر است)

1-Notwork DTC Access
2- Allow Remote Client
3- Allow Remote Administration
4-Allow Inbound
5-Allow OutBound
6 -No Authentication Required. 

اما با وجود همه این تنظیمات در هنگام کارکردن با دیتابیس با خطای زیر مواجه میشم

System.Transactions.TransactionManagerCommunicationException: Communication with the underlying transaction manager has failed 

توی اینترنت خیلی سرچ کردم ولی همه معتقد هستند که مشکل فایروال هست در حالی که فایروال سرورها کلا خاموشه.

نکته اینکه روی هردو سرور ویندوز سرور 2003 نصب هست. 

آیا کسی هست که بتونه در این مورد منو راهنمایی کنه. ممنون

تغییرات بزرگ در آپدیت جدید ویندوز 10 نگارش 1903

Windows 10’s next update is the May 2019 Update, which is version 1903 and was codenamed 19H1 during development. It features a light theme, speed improvements

A few years ago, we took over maintenance and guidance for the ASP.NET AJAX Control Toolkit project. Please refer to this blog post for more information on the project and why we stepped in to assist.
As part of our ongoing commitment to the project, we’ve released an update (ASP.NET AJAX Control Toolkit v19.1.0) to address the following issues.
Improvements
- Visual Studio 2019 Support
- Security hardening: HTML-encode file names in AjaxFileUpload (#483)
 

I just finished teaching the first week of a 9-week, super-intensive, hands-on boot camp that focuses on TypeScript/ASP.NET Web API/AngularJS. I decided to write a series of blog posts that describes each week of the camp. Who makes it. The challenges the students encounter. And, the material that we cover