<roleManager 
    enabled="true" 
    cacheRolesInCookie="true" 
    defaultProvider="..."
    cookieName=".ASPXROLES" 
    cookiePath="/" 
    cookieTimeout="30" 
    cookieRequireSSL="false" 
    cookieSlidingExpiration="true"
    createPersistentCookie="false" 
    cookieProtection="All">
    <providers>
      <!-- .... -->
    </providers>
</roleManager>

Assume that you set the value of the cachedRolesInCookie property to true in your web application. 
Your application serializes the RolePrincipal object into the cookie, and then sends it in response. 
In this situation, the role cookie value is empty in the application's following request.

• Add unnecessary complexity.
• Increase development and maintenance costs.
• Reduce your iteration speed.
• Avoid you from getting market-fit. 

Today is the official GA release for .NET 5, and along with it we are excited to share the latest updates with our recent release of C#/WinRT version 1.0. C#/WinRT provides WinRT projection support for .NET 5 based apps. The Windows SDK leverages this technology and is now integrated with the .NET 5.0 SDK to expose Windows APIs through the new Target Framework Monikers. In addition to the Windows SDK support added for .NET 5, C#/WinRT itself allows component authors to build their own .NET 5 projections using the CsWinRT NuGet package.  

Whether you are creating cloud-native applications, infusing your apps with AI, or just getting started, Connect(); 2017 will inspire you to build the apps of the future 

Those of you who worked with ASP.NET web forms will recollect that certain server controls such as DropDownList have a property called AutoPostBack. This property when set to true automatically submits the form to the server whenever the selection changes and raises some server side event. In modern web development people prefer to use Ajax over AutoPostBack but at times AutoPostBack is what you might need. To that end this article shows how AutoPostBack can be implemented in ASP.NET Core applications. 

ADO.Net has a very tedious API out of the box, so Weasel alleviates that with quite a few extension methods to make your code a little quicker to write and hopefully much easier to read later as well. 

Retirement of MCSA, MCSD, MCSE certifications and related exams extended

We know many of you are working toward completing your Microsoft Certified Solutions Associate (MCSA), Microsoft Certified Solutions Developer (MCSD), or Microsoft Certified Solutions Expert (MCSE) certification(s). We realize that the current environment could potentially hamper your ability to finish your certification before the original retirement date of June 30, 2020. To address this issue, we are extending the retirement date for these specific certifications to January 31, 2021 to give you more time to complete the exams and earn your certification. 

The long road to C# 9 has already begun and this is the first article in the world about the C# 9 Candidate features. Once you have completed reading this article, you will hopefully be better prepared for the new C# challenges you will meet in the future. 

The 6.0.0 release of Angular is here! This is a major release focused less on the underlying framework, and more on the toolchain and on making it easier to move quickly with Angular in the future.